Building 0xinsider.com — see who's winning across prediction markets (Polymarket, Kalshi, and more) — and what they're trading right now. Product engineer based in Tartu, Estonia, building and shipping for over a decade.https://www.trevorlasn.comhttps://www.trevorlasn.com/blog/aeo-geo-vs-seo-google-ai-optimizationhttps://www.trevorlasn.com/blog/aeo-geo-vs-seo-google-ai-optimizationWhat Answer Engine Optimization and Generative Engine Optimization mean, and how to get your site cited by AI Overviews, ChatGPT, Claude, Perplexity, and Gemini.Sun, 17 May 2026 00:00:00 GMThttps://www.trevorlasn.com/blog/why-i-chose-rust-for-my-backendhttps://www.trevorlasn.com/blog/why-i-chose-rust-for-my-backendNo QA team. No on-call rotation. One person, one binary, one financial product. The compiler is my entire engineering org.Mon, 09 Mar 2026 00:00:00 GMThttps://www.trevorlasn.com/blog/prediction-markets-broke-my-brain-about-probabilityhttps://www.trevorlasn.com/blog/prediction-markets-broke-my-brain-about-probabilityA year of watching people bet real money on outcomes changed how I think about everything.Fri, 27 Feb 2026 00:00:00 GMThttps://www.trevorlasn.com/blog/vercel-botid-bot-protection-nextjshttps://www.trevorlasn.com/blog/vercel-botid-bot-protection-nextjsBotID verifies browser challenges before proxying to the backend. Here's how I set it up in Next.js 16.Mon, 16 Feb 2026 00:00:00 GMThttps://www.trevorlasn.com/blog/google-search-console-mcp-claude-codehttps://www.trevorlasn.com/blog/google-search-console-mcp-claude-codePull GSC data into Claude Code to find CTR problems, indexing bugs, and keyword gaps — then fix them in the same conversation.Sun, 15 Feb 2026 00:00:00 GMThttps://www.trevorlasn.com/blog/0xinsider-prediction-market-whale-trackinghttps://www.trevorlasn.com/blog/0xinsider-prediction-market-whale-trackingEvery large trade on Polymarket and Kalshi, the second it happens. Currently in beta — join the Discord for early access.Wed, 11 Feb 2026 00:00:00 GMThttps://www.trevorlasn.com/blog/ai-agents-explainedhttps://www.trevorlasn.com/blog/ai-agents-explainedWhat AI agents are, how the agent loop works, and why they're different from chatbots.Fri, 30 Jan 2026 00:00:00 GMThttps://www.trevorlasn.com/blog/how-prediction-market-polymarket-kalshi-arbitrage-workshttps://www.trevorlasn.com/blog/how-prediction-market-polymarket-kalshi-arbitrage-worksBuy YES and NO for less than a dollar. One of them pays out a dollar. Keep the difference.Thu, 29 Jan 2026 00:00:00 GMThttps://www.trevorlasn.com/blog/building-custom-mcp-servers-with-nextjs-and-mcp-handlerhttps://www.trevorlasn.com/blog/building-custom-mcp-servers-with-nextjs-and-mcp-handlerHow to build a MCP server that works with Claude Code, Gemini CLI, Cursor, and more.Wed, 28 Jan 2026 00:00:00 GMThttps://www.trevorlasn.com/blog/css-interest-pseudo-classeshttps://www.trevorlasn.com/blog/css-interest-pseudo-classesStyle connected UI elements with CSS pseudo-classes that respond to user interest. Interactive examples showing tooltips, forms, and navigation without JavaScript.Wed, 12 Nov 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/details-content-pseudo-elementhttps://www.trevorlasn.com/blog/details-content-pseudo-elementThe ::details-content pseudo-element lets you style the expandable content of details elements separately from the summary, no divs needed.Tue, 11 Nov 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/view-transitions-apihttps://www.trevorlasn.com/blog/view-transitions-apiCreate animated transitions between different states of your app without complex animation libraries.Tue, 11 Nov 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/chrome-devtools-mcphttps://www.trevorlasn.com/blog/chrome-devtools-mcpGive your AI agent access to your running application. They can see errors, inspect the network tab, check the DOM, and debug issues while you work.Mon, 10 Nov 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/superpowers-claude-code-skillshttps://www.trevorlasn.com/blog/superpowers-claude-code-skillsSuperpowers is an MCP plugin for Claude Code that enforces planning, TDD, and debugging workflows. Setup guide with real examples.Tue, 04 Nov 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/lighthouse-cihttps://www.trevorlasn.com/blog/lighthouse-ciLighthouse CI fails your builds when performance drops. I run it on every pull request.Mon, 03 Nov 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/next-js-devtools-mcphttps://www.trevorlasn.com/blog/next-js-devtools-mcpThe Next.js DevTools MCP connects Claude and Cursor to your running dev server. I use it every day.Sun, 02 Nov 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/context7-mcphttps://www.trevorlasn.com/blog/context7-mcpContext7 MCP server pulls version-specific library docs into Claude Code, Cursor, and other AI editors. Setup guide and how it works.Sat, 01 Nov 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/how-to-setup-indexnow-for-instant-search-engine-indexinghttps://www.trevorlasn.com/blog/how-to-setup-indexnow-for-instant-search-engine-indexingSet up IndexNow to notify Bing, DuckDuckGo, ChatGPT, and Perplexity the moment you publish. Free protocol, 5-minute setup.Mon, 27 Oct 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/whats-new-in-nextjs-16https://www.trevorlasn.com/blog/whats-new-in-nextjs-16Complete guide to Next.js 16 — async params, Turbopack default, stable caching APIs, and how to upgrade. With code examples.Sat, 25 Oct 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/original-work-is-now-an-endangered-specieshttps://www.trevorlasn.com/blog/original-work-is-now-an-endangered-speciesWhen everything looks the same, being different becomes valuable againFri, 24 Oct 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/now-is-the-best-time-to-break-into-techhttps://www.trevorlasn.com/blog/now-is-the-best-time-to-break-into-techWith AI tooling, a developer with 1 year of experience can match the output of someone with 10 years. The playing field has never been more level.Mon, 20 Oct 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/is-it-even-worth-to-learn-codinghttps://www.trevorlasn.com/blog/is-it-even-worth-to-learn-codingWith AI tools like Claude Code, Cursor, GitHub Copilot, OpenAI Codex, and Lovable, is learning to code still valuable?Fri, 17 Oct 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/anthropic-sequential-thinking-mcphttps://www.trevorlasn.com/blog/anthropic-sequential-thinking-mcpEver wished your AI agent would slow down and think things through? This MCP server does exactly thatSun, 07 Sep 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/npq-protects-npm-installs-from-malicious-packageshttps://www.trevorlasn.com/blog/npq-protects-npm-installs-from-malicious-packagesA CLI tool that checks packages for security issues and social engineering attacks before they hit your projectSat, 26 Jul 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/google-ai-distribution-advantagehttps://www.trevorlasn.com/blog/google-ai-distribution-advantageWhile everyone debates models and features, Google owns the distribution channels that make AI stickFri, 25 Jul 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/revisiting-legacy-javascripthttps://www.trevorlasn.com/blog/revisiting-legacy-javascriptHave you ever been curious how JavaScript was written back in the day? I was, so I dug into some of the early frameworks and libraries to see what I could learn.Thu, 12 Jun 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/javascript-compile-hintshttps://www.trevorlasn.com/blog/javascript-compile-hintsV8's compile hints let you control which JavaScript gets compiled immediately during page loadMon, 12 May 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/error-iserror-javascripthttps://www.trevorlasn.com/blog/error-iserror-javascriptWhy the new Error.isError() method solves important cross-realm issues and provides more reliable error identification than instanceofFri, 09 May 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/fetching-data-for-complex-next-and-react-appshttps://www.trevorlasn.com/blog/fetching-data-for-complex-next-and-react-appsHow I use the 'Three Layers of Data' architecture pattern for React and Next.js apps to avoid common pitfalls, tech debt, and improve performanceSun, 04 May 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/float16array-javascripthttps://www.trevorlasn.com/blog/float16array-javascriptUnderstanding the new 16-bit floating point array in JavaScriptMon, 14 Apr 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/agent-2-agent-protocol-a2ahttps://www.trevorlasn.com/blog/agent-2-agent-protocol-a2aAn exploration of Google's new open protocol that enables different AI systems to exchange information and collaborateSun, 13 Apr 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/firebreak-sprintshttps://www.trevorlasn.com/blog/firebreak-sprintsHow scheduled developer freedom weeks can revolutionize your codebase and team moraleTue, 08 Apr 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/cve-2025-29927-nextjs-middlewarehttps://www.trevorlasn.com/blog/cve-2025-29927-nextjs-middlewareThe vulnerability skips Next.js middleware security checks by adding a single HTTP headerSun, 06 Apr 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/the-5-1-rulehttps://www.trevorlasn.com/blog/the-5-1-ruleResearch reveals the ideal ratio of positive to negative feedback within high performing teamsThu, 20 Mar 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/intl-durationformat-javascript-time-durations-with-locale-supporthttps://www.trevorlasn.com/blog/intl-durationformat-javascript-time-durations-with-locale-supportStop writing manual duration formatting code. Instead, leverage the new powerful Intl.DurationFormat API for internationalized time displaysThu, 13 Mar 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/open-source-is-where-dreams-go-to-diehttps://www.trevorlasn.com/blog/open-source-is-where-dreams-go-to-dieWork for free and in return watch your passion get crushed by entitled users who are never satisfiedWed, 26 Feb 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/dont-bullshithttps://www.trevorlasn.com/blog/dont-bullshitBe the authentic voice in a world of manufactured personasWed, 12 Feb 2025 13:22:00 GMThttps://www.trevorlasn.com/blog/is-my-node-vulnerablehttps://www.trevorlasn.com/blog/is-my-node-vulnerableThis package compares your Node.js version against the Node.js Security Database, providing immediate feedback about potential security risks.Wed, 29 Jan 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/native-popover-with-htmlhttps://www.trevorlasn.com/blog/native-popover-with-htmlCreate overlays and dropdowns easily with the native HTML popover APIFri, 24 Jan 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/weakref-javascipthttps://www.trevorlasn.com/blog/weakref-javasciptUnderstanding how WeakRef helps manage memory in JavaScriptTue, 07 Jan 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/honeyhttps://www.trevorlasn.com/blog/honeyHoney's controversial affiliate link practices and what it teaches us about Silicon Valley's ethicsSat, 04 Jan 2025 00:00:00 GMThttps://www.trevorlasn.com/blog/node-async-local-storagehttps://www.trevorlasn.com/blog/node-async-local-storageUse AsyncLocalStorage to carry request IDs, user context, and tracing data through async calls without passing them as arguments.Fri, 20 Dec 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/css-scrollbar-width-and-scrollbar-gutterhttps://www.trevorlasn.com/blog/css-scrollbar-width-and-scrollbar-gutterUse scrollbar-width to thin or hide scrollbars and scrollbar-gutter to prevent layout shift. Browser support, examples, and gotchas.Thu, 19 Dec 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/astro-and-clerkhttps://www.trevorlasn.com/blog/astro-and-clerkThe simplest setup for adding Clerk authentication to your Astro project, with minimal codeWed, 18 Dec 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/css-target-texthttps://www.trevorlasn.com/blog/css-target-textA look at how browsers can highlight text fragments using CSS ::target-text, making text sharing and navigation more user-friendlyTue, 17 Dec 2024 12:45:00 GMThttps://www.trevorlasn.com/blog/css-align-content-in-block-layoutshttps://www.trevorlasn.com/blog/css-align-content-in-block-layoutsFinally, we can center things in block layouts without flexbox gymnasticsFri, 13 Dec 2024 12:45:00 GMThttps://www.trevorlasn.com/blog/css-user-valid-and-user-invalid-pseudo-classeshttps://www.trevorlasn.com/blog/css-user-valid-and-user-invalid-pseudo-classesThe new pseudo-classes :user-valid and :user-invalid give us a smarter way to style form validation states based on user interactionThu, 12 Dec 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/html-details-elementhttps://www.trevorlasn.com/blog/html-details-elementDiscover how the HTML details element can replace your JavaScript accordions and why it might be better than your current solutionTue, 10 Dec 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/tattoos-for-office-workershttps://www.trevorlasn.com/blog/tattoos-for-office-workersBuilding a tech career with a sword tattooed on my neckTue, 10 Dec 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/javascript-navigator-clipboardhttps://www.trevorlasn.com/blog/javascript-navigator-clipboardCopy and paste text, images, and files using the new navigator.clipboard APISat, 07 Dec 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/detect-css-features-with-supports-propertyhttps://www.trevorlasn.com/blog/detect-css-features-with-supports-propertyDetect CSS feature support and provide smart fallbacks with @supportsFri, 06 Dec 2024 13:22:00 GMThttps://www.trevorlasn.com/blog/css-supports-nesting-nowhttps://www.trevorlasn.com/blog/css-supports-nesting-nowCSS nesting is finally supported in all major browsers. Write cleaner, organized stylesheets without Sass or LessFri, 06 Dec 2024 12:45:00 GMThttps://www.trevorlasn.com/blog/css-content-visibilityhttps://www.trevorlasn.com/blog/css-content-visibilityThe content-visibility CSS property delays rendering an element, including layout and painting, until it is neededThu, 05 Dec 2024 12:45:00 GMThttps://www.trevorlasn.com/blog/has-css-functional-pseudo-classhttps://www.trevorlasn.com/blog/has-css-functional-pseudo-classTransform your CSS with :has(), the game-changing selector that finally lets us style elements based on their children.Wed, 04 Dec 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/module-preloadhttps://www.trevorlasn.com/blog/module-preloadThe rel='modulepreload' indicates that a module script should be fetched, parsed, and compiled preemptively, and stored for later executionWed, 04 Dec 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/css-lh-and-rlh-unitshttps://www.trevorlasn.com/blog/css-lh-and-rlh-unitsExploring new CSS line-height units that eliminate guesswork from vertical rhythmTue, 03 Dec 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/html-search-elementhttps://www.trevorlasn.com/blog/html-search-elementThe search HTML element is a container that represents the parts of the web page with search functionalityMon, 02 Dec 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/performance-web-api-in-javascripthttps://www.trevorlasn.com/blog/performance-web-api-in-javascriptFrom slow to fast: Using JavaScript's Performance API to optimize web appsFri, 29 Nov 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/http-connecthttps://www.trevorlasn.com/blog/http-connectUnderstand how HTTP CONNECT enables HTTPS traffic through proxiesThu, 28 Nov 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/preloading-responsive-imageshttps://www.trevorlasn.com/blog/preloading-responsive-imagesHow to properly preload responsive images to improve initial page loadThu, 28 Nov 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/you-dont-own-your-social-media-accountshttps://www.trevorlasn.com/blog/you-dont-own-your-social-media-accountsSocial platforms promise exposure but quietly hold your audience hostageThu, 28 Nov 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/javascript-scheduler-apihttps://www.trevorlasn.com/blog/javascript-scheduler-apiLearn how to prioritize and control task execution in JavaScript using the new Scheduler API for better performance and user experienceTue, 26 Nov 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/webassembly-when-and-when-not-to-use-ithttps://www.trevorlasn.com/blog/webassembly-when-and-when-not-to-use-itUnderstanding the real use cases for WebAssembly beyond the performance hypeMon, 25 Nov 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/oracle-javascript-trademark-sagahttps://www.trevorlasn.com/blog/oracle-javascript-trademark-sagaThe creator of JavaScript and Node.js are challenging Oracle's control over the JavaScript nameSat, 23 Nov 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/recursion-explainedhttps://www.trevorlasn.com/blog/recursion-explainedUnderstanding recursion through real examples - why functions call themselves and when to use themFri, 22 Nov 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/corepack-nodejshttps://www.trevorlasn.com/blog/corepack-nodejsManage yarn and pnpm versions consistently across your teamTue, 19 Nov 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/can-open-source-pledge-fix-open-source-sustainabilityhttps://www.trevorlasn.com/blog/can-open-source-pledge-fix-open-source-sustainabilityThe Open Source Pledge aims to address open source sustainability challenges by encouraging companies to pay $2,000 per developer per yearSun, 17 Nov 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/sets-and-maps-in-javascripthttps://www.trevorlasn.com/blog/sets-and-maps-in-javascriptHow to handle unique values and key-value pairs properly without type coercion and performance issuesSun, 17 Nov 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/fraction-numbers-in-javascripthttps://www.trevorlasn.com/blog/fraction-numbers-in-javascriptHow to handle exact decimal calculations in JavaScript when floating-point precision isn't good enoughSat, 16 Nov 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/symbols-in-javascripthttps://www.trevorlasn.com/blog/symbols-in-javascriptDeep dive into JavaScript Symbols - what they are, why they matter, and how to use them effectivelyFri, 15 Nov 2024 13:45:00 GMThttps://www.trevorlasn.com/blog/ghost-jobs-should-be-illegalhttps://www.trevorlasn.com/blog/ghost-jobs-should-be-illegalHow fake job postings became a systemic problem in tech recruitingFri, 15 Nov 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/can-scrum-be-salvagedhttps://www.trevorlasn.com/blog/can-scrum-be-salvagedScrum is failing engineering teams and what it's actually costing usThu, 14 Nov 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/bitwise-shifts-in-javascripthttps://www.trevorlasn.com/blog/bitwise-shifts-in-javascriptA practical guide to left and right shift operators in JavaScriptTue, 12 Nov 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/import-attributes-in-javascripthttps://www.trevorlasn.com/blog/import-attributes-in-javascriptUnderstanding the new import attributes syntax and why we can't rely on file extensions aloneSun, 10 Nov 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/promise-try-in-javascripthttps://www.trevorlasn.com/blog/promise-try-in-javascriptStop mixing try/catch with Promise chains - JavaScript's new Promise.try handles return values, Promises, and errors uniformlySun, 10 Nov 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/javascript-logical-and-assignment-operatorhttps://www.trevorlasn.com/blog/javascript-logical-and-assignment-operatorUse the &&= operator to safely update truthy values while preserving falsy statesTue, 05 Nov 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/javascript-nullish-coalescing-assignment-operatorhttps://www.trevorlasn.com/blog/javascript-nullish-coalescing-assignment-operatorA guide to using ??= in JavaScript to handle null and undefined values elegantlyTue, 05 Nov 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/ai-ceohttps://www.trevorlasn.com/blog/ai-ceoWelcome to the future of corporate leadership. It's efficient, profitable, and utterly inhumanMon, 04 Nov 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/the-monday-morning-testhttps://www.trevorlasn.com/blog/the-monday-morning-testWhy the first day back can reveal everything about your engineering team's healthMon, 04 Nov 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/pkl-apple-new-configuration-languagehttps://www.trevorlasn.com/blog/pkl-apple-new-configuration-languageA deep dive into Pkl, Apple's configuration language that aims to replace JSON and YAMLFri, 01 Nov 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/quantum-computers-wont-break-encryptionhttps://www.trevorlasn.com/blog/quantum-computers-wont-break-encryptionSymmetric encryption algorithms like Advanced Encryption Standard (AES) are largely quantum-resistant alreadyThu, 31 Oct 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/introducing-legendary-programmer-hall-of-famehttps://www.trevorlasn.com/blog/introducing-legendary-programmer-hall-of-fameMeet the innovators who laid the foundation for modern computing. Their contributions span decades, creating the tools and concepts developers use every day.Tue, 29 Oct 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/javascript-pipeline-operatorhttps://www.trevorlasn.com/blog/javascript-pipeline-operatorA deep dive into how pipeline operators can make your code more readable and maintainableTue, 29 Oct 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/the-problem-with-local-storagehttps://www.trevorlasn.com/blog/the-problem-with-local-storagelocalStorage is vulnerable to XSS and has no expiry or encryption. Learn why httpOnly cookies and sessionStorage are safer for auth tokens.Mon, 28 Oct 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/javascript-truthy-and-falsyhttps://www.trevorlasn.com/blog/javascript-truthy-and-falsyAll 8 falsy values in JavaScript explained with examples. Common pitfalls with 0, empty strings, NaN, and how type coercion actually works.Sun, 27 Oct 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/javascript-logical-operatorshttps://www.trevorlasn.com/blog/javascript-logical-operatorsMaster JavaScript logical operators with practical examples and best practicesSat, 26 Oct 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/css-object-model-cssomhttps://www.trevorlasn.com/blog/css-object-model-cssomA deep dive into how browsers parse and manipulate CSS, its impact on web performance, and why it mattersFri, 25 Oct 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/how-to-land-your-first-tech-jobhttps://www.trevorlasn.com/blog/how-to-land-your-first-tech-jobA developer's guide to tech interviews - from someone who sits on both sides of the tableThu, 24 Oct 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/anthropic-anti-talent-poaching-tacticshttps://www.trevorlasn.com/blog/anthropic-anti-talent-poaching-tacticsInside Anthropic's unique approach to preventing talent poaching and maintaining organizational equalityWed, 23 Oct 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/cloudflare-zarazhttps://www.trevorlasn.com/blog/cloudflare-zarazHow I used Cloudflare Zaraz to offload third party scripts and improve my website performance.Wed, 23 Oct 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/secret-linthttps://www.trevorlasn.com/blog/secret-lintA guide to catching and preventing credential leaks in your code using SecretlintTue, 22 Oct 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/repopackhttps://www.trevorlasn.com/blog/repopackA tool that packages your code to easily share with LLM models.Mon, 21 Oct 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/software-engineer-titles-have-almost-lost-all-their-meaninghttps://www.trevorlasn.com/blog/software-engineer-titles-have-almost-lost-all-their-meaningExamining the Devaluation of Software Engineer Titles and Its Impact on Tech Industry IntegritySun, 20 Oct 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/astro-capohttps://www.trevorlasn.com/blog/astro-capoAutomatically improve your Astro site's performance using astro-capoSat, 19 Oct 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/csp-headers-astrohttps://www.trevorlasn.com/blog/csp-headers-astroContent Security Policy (CSP) acts like a shield against XSS attacks. These attacks are sneaky - they trick your browser into running malicious code by hiding it in content that seems trustworthy. CSP's job is to spot these tricks and shut them down, while also alerting you to any attempts it detects.Wed, 16 Oct 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/is-void-zero-a-threat-to-open-sourcehttps://www.trevorlasn.com/blog/is-void-zero-a-threat-to-open-sourceWhen Evan You announced VoidZero, I'll admit - I got excited. And a little nervous.Tue, 15 Oct 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/open-dyslexic-fonthttps://www.trevorlasn.com/blog/open-dyslexic-fontHow to implement the Open-Dyslexic font to enhance readability for users with dyslexiaSat, 12 Oct 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/small-habits-big-impacthttps://www.trevorlasn.com/blog/small-habits-big-impactWe're often focused on big innovations and breakthrough moments. But what if the real key to long-term success lies in the small, everyday actions we often overlook?Sat, 12 Oct 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/ageism-in-techhttps://www.trevorlasn.com/blog/ageism-in-techSilicon Valley has a reputation for youth worship. The 'move fast and break things' mentality often translates to a preference for younger, supposedly more adaptable workers.Tue, 08 Oct 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/how-to-launch-software-projects-on-time-and-on-budgethttps://www.trevorlasn.com/blog/how-to-launch-software-projects-on-time-and-on-budgetLearn the art of scope management to keep your projects fixed in time and costMon, 07 Oct 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/the-credit-vacuumhttps://www.trevorlasn.com/blog/the-credit-vacuumBeing a developer sometimes feels like being the goalkeeper in a soccer match. You make a hundred great saves, and no one bats an eye. But let one ball slip through, and suddenly you're the village idiot.Mon, 07 Oct 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/a-company-is-not-a-family-its-a-sports-teamhttps://www.trevorlasn.com/blog/a-company-is-not-a-family-its-a-sports-team'We're not just a company, we're a family!' It's a nice sentiment, sure. But it's also a load of crap.Sat, 05 Oct 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/39-percent-companies-losing-control-of-it-and-securityhttps://www.trevorlasn.com/blog/39-percent-companies-losing-control-of-it-and-securityNew research reveals a shocking loss of control in corporate IT environmentsThu, 03 Oct 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/start-with-the-bigger-picturehttps://www.trevorlasn.com/blog/start-with-the-bigger-pictureWhen faced with a challenge, I always step back to see the whole picture first. It's like pausing a complex strategy game to study the map. You might lose a few seconds of play time, but you gain a crucial understanding of the battlefield.Thu, 03 Oct 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/the-barnacle-strategyhttps://www.trevorlasn.com/blog/the-barnacle-strategyAs a founder, you're always on the lookout for smart ways to grow your startup without burning through your limited resources. That's where the barnacle strategy comes in.Thu, 03 Oct 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/micro-frontends-what-they-are-and-when-to-usehttps://www.trevorlasn.com/blog/micro-frontends-what-they-are-and-when-to-useExplore the concept of micro frontends in web development, understand their benefits, and learn when this architectural approach is most effective for building scalable applications.Wed, 02 Oct 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/google-journey-from-search-engine-to-tech-gianthttps://www.trevorlasn.com/blog/google-journey-from-search-engine-to-tech-giantExploring the key innovations and strategies that transformed Google into a global technology leaderTue, 01 Oct 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/amazon-rise-to-tech-titanhttps://www.trevorlasn.com/blog/amazon-rise-to-tech-titanHow Jeff Bezos' 'Day 1' philosophy turned an online bookstore into a global powerhouseMon, 30 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/what-made-apple-greathttps://www.trevorlasn.com/blog/what-made-apple-greatDiving deep into the lesser-known factors that propelled Apple from a garage startup to a tech titanMon, 30 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/whats-holding-you-backhttps://www.trevorlasn.com/blog/whats-holding-you-backDiscover the biggest obstacle to success in tech and learn how to overcome itSun, 29 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/being-a-self-taught-developerhttps://www.trevorlasn.com/blog/being-a-self-taught-developerHow to turn your non-traditional background into your biggest assetSat, 28 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/make-it-work-first-before-you-optimizehttps://www.trevorlasn.com/blog/make-it-work-first-before-you-optimizeUsers don't care how elegant your code is. They care if it solves their problem.Fri, 27 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/minimum-viable-documentationhttps://www.trevorlasn.com/blog/minimum-viable-documentationHow to create essential documentation that actually gets read and used.Fri, 27 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/specialist-vs-generalist-choosing-your-career-pathhttps://www.trevorlasn.com/blog/specialist-vs-generalist-choosing-your-career-pathShould you diversify your skills or specialize?Thu, 26 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/write-documentation-like-a-journalisthttps://www.trevorlasn.com/blog/write-documentation-like-a-journalistCreate comprehensive, engaging documentation by adopting journalistic techniques for research and storytellingThu, 26 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/cloudflare-ai-content-controlhttps://www.trevorlasn.com/blog/cloudflare-ai-content-controlHow Cloudflare's new AI management tools could revolutionize content creation, potentially reshaping the internet landscape for both website owners and AI companies.Tue, 24 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/conways-lawhttps://www.trevorlasn.com/blog/conways-lawIf you've ever wondered why your carefully planned software architecture ends up looking suspiciously like your org chart, you're not alone. Welcome to the world of Conway's Law.Tue, 24 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/internal-mobilityhttps://www.trevorlasn.com/blog/internal-mobilityJust like a utility player on a sports team discovering their ideal position, internal mobility allows you to explore different areas of engineering and find your true passion.Mon, 23 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/outdated-docs-are-tech-debthttps://www.trevorlasn.com/blog/outdated-docs-are-tech-debtTeams often neglect to create good documentation. Code gets delivered, but updating the docs is treated as a secondary task, easily postponed—until it’s too late.Sun, 22 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/week-of-coding-can-save-you-hours-of-planninghttps://www.trevorlasn.com/blog/week-of-coding-can-save-you-hours-of-planningWeeks of coding can save you hours of planning. It’s one of those sayings that’s been around forever, and for good reason—it’s a warning that still holds up today.Sat, 21 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/its-more-fun-to-be-competenthttps://www.trevorlasn.com/blog/its-more-fun-to-be-competentOnce you're competent, everything changes. You stop second-guessing yourself. You stop panicking every time you encounter a new problem. And you start taking on bigger challenges with excitement rather than dread.Fri, 20 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/code-wins-argumentshttps://www.trevorlasn.com/blog/code-wins-argumentsHow Meta and other companies use the 'code wins arguments' mindset to turn ideas into realityThu, 19 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/take-your-writing-seriouslyhttps://www.trevorlasn.com/blog/take-your-writing-seriouslyIt’s not just about getting the message across; it’s about doing so in a way that’s easy for others to follow. Good writing shows respect for your team and your work.Thu, 19 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/users-can-be-firedhttps://www.trevorlasn.com/blog/users-can-be-firedLetting go of difficult or harmful users can be the key to maintaining the health and growth of your productThu, 19 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/a-great-product-doesnt-need-marketinghttps://www.trevorlasn.com/blog/a-great-product-doesnt-need-marketingGreat products speak for themselves, without the need for massive marketing campaignsWed, 18 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/amazons-no-weasel-words-rulehttps://www.trevorlasn.com/blog/amazons-no-weasel-words-ruleHow Amazon's emphasis on eliminating weasel words leads to more precise, actionable communication and better decision-makingTue, 17 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/the-real-cost-of-meetingshttps://www.trevorlasn.com/blog/the-real-cost-of-meetingsDiscover how FAANG companies like Amazon, Google, and Netflix reduce the hidden costs of meetings by embracing written communication and minimizing unnecessary gatherings.Tue, 17 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/what-makes-mrbeast-so-successfulhttps://www.trevorlasn.com/blog/what-makes-mrbeast-so-successfulA deep dive into the strategies, mindset, and team culture that have made MrBeast one of the most successful creators on YouTubeMon, 16 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/whats-new-in-express-5https://www.trevorlasn.com/blog/whats-new-in-express-5A detailed look at the key changes and improvements in Express v5.0 and how to migrate your appMon, 16 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/evolve-or-become-irrelevanthttps://www.trevorlasn.com/blog/evolve-or-become-irrelevantWhy staying relevant in tech means constantly adapting to new technologies and trendsSun, 15 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/speculation-rules-apihttps://www.trevorlasn.com/blog/speculation-rules-apiHow the Speculation Rules API improves web performance by prefetching and prerendering future navigationsSun, 15 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/culture-happens-outside-managementhttps://www.trevorlasn.com/blog/culture-happens-outside-managementWhy real company culture grows from the ground up, not top down.Sat, 14 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/lazy-loading-iframeshttps://www.trevorlasn.com/blog/lazy-loading-iframesHow to save bandwidth and speed up your site by lazy-loading iframesFri, 13 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/preconnect-to-required-originshttps://www.trevorlasn.com/blog/preconnect-to-required-originsUsing link rel='preconnect' can improve your website's performance by reducing connection setup times to key external domains.Fri, 13 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/the-crutch-effecthttps://www.trevorlasn.com/blog/the-crutch-effectIntroducing The Crutch EffectFri, 13 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/mental-toughness-is-the-best-quality-a-developer-can-havehttps://www.trevorlasn.com/blog/mental-toughness-is-the-best-quality-a-developer-can-haveMental toughness gets developers through challenges like debugging, picking up new tools, and hitting tight deadlines. It’s about staying calm and pushing through when things get tough.Thu, 12 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/when-should-you-actually-worry-about-tech-debthttps://www.trevorlasn.com/blog/when-should-you-actually-worry-about-tech-debtTechnical debt isn't the monster under your bed, but it can become one if ignored too long.Thu, 12 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/google-is-killing-information-economics-on-the-internethttps://www.trevorlasn.com/blog/google-is-killing-information-economics-on-the-internetGoogle’s Gemini pulls summaries from websites and slaps them directly into the search resultsWed, 11 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/tips-for-reducing-cyclomatic-complexityhttps://www.trevorlasn.com/blog/tips-for-reducing-cyclomatic-complexityCyclomatic complexity is like counting how many ways a car can go. More options make it harder to drive because you have to make more decisions, which can lead to confusion.Tue, 10 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/setimmediate-vs-settimeout-in-javascripthttps://www.trevorlasn.com/blog/setimmediate-vs-settimeout-in-javascriptsetImmediate runs after I/O, setTimeout(0) runs after the timer phase. Here's when to use each, with event loop diagrams.Sun, 08 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/unrealistic-deadlines-in-software-engineeringhttps://www.trevorlasn.com/blog/unrealistic-deadlines-in-software-engineeringUnrealistic deadlines are more than just stressful—they set engineers up for failureSat, 07 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/understanding-javascript-closureshttps://www.trevorlasn.com/blog/understanding-javascript-closuresClosures are essential for creating functions that maintain state, without relying on global variables.Fri, 06 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/explicit-is-better-than-implicithttps://www.trevorlasn.com/blog/explicit-is-better-than-implicitClarity is key: being explicit makes your code more readable and maintainable.Wed, 04 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/aggregate-error-in-javascripthttps://www.trevorlasn.com/blog/aggregate-error-in-javascriptHandle multiple errors at onceMon, 02 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/react-testing-mock-service-workerhttps://www.trevorlasn.com/blog/react-testing-mock-service-workerTesting can be tricky, especially when it comes to handling API calls.Sun, 01 Sep 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/google-chrome-built-in-gemini-nanohttps://www.trevorlasn.com/blog/google-chrome-built-in-gemini-nanoThe Power Play: Gemini Nano in ChromeSat, 31 Aug 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/embrace-early-returns-and-intermediate-variables-for-readable-codehttps://www.trevorlasn.com/blog/embrace-early-returns-and-intermediate-variables-for-readable-codeEarly returns and intermediate variables make your code easier to reason aboutFri, 30 Aug 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/when-regex-goes-wronghttps://www.trevorlasn.com/blog/when-regex-goes-wrongIssues and catastrophic failures caused by regexThu, 29 Aug 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/invisible-columns-in-sqlhttps://www.trevorlasn.com/blog/invisible-columns-in-sqlIt’s a small feature, but it can make a big difference.Mon, 26 Aug 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/understanding-vue-suspensehttps://www.trevorlasn.com/blog/understanding-vue-suspenseHow the Suspense component manages async dependencies and improves loading states in Vue appsFri, 23 Aug 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/the-only-javascript-feature-that-was-deprecatedhttps://www.trevorlasn.com/blog/the-only-javascript-feature-that-was-deprecatedThe 'with' statement is the only feature ever deprecated in JavaScriptThu, 22 Aug 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/10-essential-terminal-commands-every-developer-should-knowhttps://www.trevorlasn.com/blog/10-essential-terminal-commands-every-developer-should-knowList of useful Unix terminal commands to boost your productivity. Here are some of my favorites.Wed, 21 Aug 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/eslint-plugin-dependhttps://www.trevorlasn.com/blog/eslint-plugin-dependWe don't need packages to handle basic JavaScript tasksTue, 13 Aug 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascripthttps://www.trevorlasn.com/blog/common-causes-of-memory-leaks-in-javascriptIdentify and fix common JavaScript memory leaks (Node.js and Deno.js)Sat, 10 Aug 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/your-repo-is-a-leaky-ship-probablyhttps://www.trevorlasn.com/blog/your-repo-is-a-leaky-ship-probablyAutomate security flows and ensure your team follows security best practicesTue, 06 Aug 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/technical-debt-is-killing-your-businesshttps://www.trevorlasn.com/blog/technical-debt-is-killing-your-businessAnd it will be your downfall if you choose to ignore itWed, 31 Jul 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/frontend-security-checklisthttps://www.trevorlasn.com/blog/frontend-security-checklistTips for Keeping All Frontend Applications SecureTue, 30 Jul 2024 00:00:00 GMThttps://www.trevorlasn.com/blog/react-lazy-loadinghttps://www.trevorlasn.com/blog/react-lazy-loadingPerformance is not a luxury; it's a necessityTue, 26 Dec 2023 00:00:00 GMThttps://www.trevorlasn.com/blog/staying-motivated-while-buildinghttps://www.trevorlasn.com/blog/staying-motivated-while-buildingBuilding a startup is an exhilarating journey, filled with highs and lowsSun, 17 Dec 2023 00:00:00 GMThttps://www.trevorlasn.com/blog/the-what-why-and-how-of-using-a-skeleton-loading-screenhttps://www.trevorlasn.com/blog/the-what-why-and-how-of-using-a-skeleton-loading-screenSkeleton loading screens enhance user experience and make your app feel fasterThu, 12 Nov 2020 00:00:00 GMThttps://www.trevorlasn.com/blog/sharp-high-performance-node-js-image-processing-libraryhttps://www.trevorlasn.com/blog/sharp-high-performance-node-js-image-processing-librarySharp is a high-performance package for resizing and formatting imagesWed, 28 Oct 2020 00:00:00 GMThttps://www.trevorlasn.com/blog/docker-with-reacthttps://www.trevorlasn.com/blog/docker-with-reactStreamline your development and deployment processesThu, 16 Jul 2020 00:00:00 GMThttps://www.trevorlasn.com/blog/how-to-restore-your-passion-for-programminghttps://www.trevorlasn.com/blog/how-to-restore-your-passion-for-programmingProgramming is a difficult skill to master and requires great perseverance to get good at. The grind can be too much at times — remember, if something is hard, it’s worth doing, as nothing good comes easy.Tue, 26 Nov 2019 00:00:00 GMThttps://www.trevorlasn.com/blog/what-does-an-entry-level-programmer-need-to-know-exactlyhttps://www.trevorlasn.com/blog/what-does-an-entry-level-programmer-need-to-know-exactlyExpectations for entry-level programmersWed, 06 Nov 2019 00:00:00 GMThttps://www.trevorlasn.com/blog/mermaid-create-charts-and-diagrams-with-markdownhttps://www.trevorlasn.com/blog/mermaid-create-charts-and-diagrams-with-markdownMermaid.js is a simple markdown-like script language for generating charts from text via JavaScriptWed, 30 Oct 2019 00:00:00 GMThttps://www.trevorlasn.com/blog/become-a-web-developer-in-180-dayshttps://www.trevorlasn.com/blog/become-a-web-developer-in-180-daysA comprehensive roadmap to becoming a proficient web developerTue, 29 Oct 2019 00:00:00 GMThttps://www.trevorlasn.com/blog/peaks-js-interact-with-audio-waveformshttps://www.trevorlasn.com/blog/peaks-js-interact-with-audio-waveformsPeaks.js is a client-side JavaScript component to display and interact with audio waveforms in the browserTue, 22 Oct 2019 00:00:00 GMThttps://www.trevorlasn.com/blog/increase-react-redux-application-performance-with-reselect-libraryhttps://www.trevorlasn.com/blog/increase-react-redux-application-performance-with-reselect-librarySelectors are a powerful tool to optimize state selection and enhance performance in your React and Redux apps.Wed, 02 Oct 2019 00:00:00 GMThttps://www.trevorlasn.com/blog/2020-programming-trend-predictionshttps://www.trevorlasn.com/blog/2020-programming-trend-predictionsHere are my bets on the programming trendsFri, 19 Jul 2019 00:00:00 GMThttps://www.trevorlasn.com/blog/how-to-fetch-data-from-an-api-with-react-hookshttps://www.trevorlasn.com/blog/how-to-fetch-data-from-an-api-with-react-hooksFetch data in React applications using the power of React HooksFri, 21 Jun 2019 00:00:00 GMThttps://www.trevorlasn.com/blog/how-to-use-redux-with-react-hookshttps://www.trevorlasn.com/blog/how-to-use-redux-with-react-hooksWrite less code, but better codeThu, 20 Jun 2019 00:00:00 GMThttps://www.trevorlasn.com/blog/demystifying-react-hookshttps://www.trevorlasn.com/blog/demystifying-react-hooksHooks can save you time and improve the quality of your codeSun, 16 Jun 2019 00:00:00 GMThttps://www.trevorlasn.com/blog/the-secret-to-being-a-top-developer-is-building-thingshttps://www.trevorlasn.com/blog/the-secret-to-being-a-top-developer-is-building-thingsYou can only become a great developer if you're willing to put effort into itSat, 02 Dec 2017 00:00:00 GMT