Why I Ditched ESLint + Prettier for Biome
After years of chasing ESLint upgrades and managing the Prettier conflict dance, I switched to Biome. One config file, one binary, and I haven't looked back.
Articles & Stories
Technology, entrepreneurship, personal life, and everything in between
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GoCarga: My First Startup Adventure and the Art of the Pitch
How building a cargo transport platform with university friends taught me the most valuable entrepreneurial skill: telling a story that makes people believe.
Tracking the Invisible: How I Built AI Bot Analytics with Zero Client-Side JavaScript
One Cloudflare Pages middleware file reveals AI crawler visits that client-side JavaScript analytics completely miss—no extra scripts required.
8/9 Building XergioAleX.com
The Best Way to Deploy Your Astro Site for Free
After years deploying static sites on GitHub Pages, I evaluated the free options and landed on Cloudflare Pages. Here's what I learned and what surprised me.
7/9 Building XergioAleX.com
How I Built a Multilingual Website with Astro
Designing multilingual Astro from scratch: typed translations, the Page Wrapper pattern, and scaling to more languages without rewiring components.
6/9 Building XergioAleX.com
Astro and Svelte: Why I Believe They're the Future of Web Development
Why Astro and Svelte simplify modern web development—State of JS 2025 data, benchmarks, and practical lessons from building this website.
Architecture of a Scalable Blog Without a Backend
How this blog scales without a backend: Content Collections, tag taxonomy, client search, series navigation, and bilingual builds.
5/9 Building XergioAleX.com
Measuring What Matters: How I Set Up Free Analytics Without Sacrificing Performance
Chapter four while building XergioAleX.com: free analytics with privacy-first tools that keep Lighthouse at 100—no cookie banners.
4/9 Building XergioAleX.com
The Road to 100: How I Achieved Perfect Lighthouse Scores on Every Category
The story of reaching 100/100/100/100 on Lighthouse PageSpeed for Performance, Accessibility, Best Practices, and SEO on mobile and desktop.
3/9 Building XergioAleX.com
Building XergioAleX.com: How I Built My Personal Website with Astro, Svelte, and AI
From one-page landing to bilingual, AI-ready XergioAleX.com: architecture, stack choices, and why Astro + Svelte fits static sites.
1/9 Building XergioAleX.com
Building sebastianmartinezvanegas.com: The Website I Built for a Talented Colombian Poet
Astro and Svelte portfolio site for Sebastián Martínez Vanegas, Colombian poet and winner of the Emilio Prados International Poetry Prize.
Building sergioykathe.com: The Wedding Website I Built for Our Special Day
A fully static wedding invitation site built with Astro, Svelte, and GitHub Pages — unique codes, RSVP via Google Forms, zero backend.
Migrating Pereira Tech Talks: From Ghost to Astro
Migrating pereiratechtalks.org from Dockerized Ghost to static Astro on GitHub Pages — ten years of lessons packed into two weeks of code.
Astro in Action
Why Astro won me over — Microsoft and Firebase cases, measurable gains, and a live Pereira Tech Talks migration to prove it is not hype.
How We Got Into Y Combinator
Three YC applications, three rejections, one acceptance — what changed each time, the real interview, and scaling DailyBot after YC.
Looking for Product Market Fit
Building and failing products at Rocka.co — lessons from each experiment, reading real PMF signals, and how DailyBot finally stuck.
Building kathelopez.com: The Website I Built for My Wife
A simple static site for my wife, an ABA therapist and neuropsychologist: Bootstrap, GitHub Pages, zero backend, professional presence online.
Building the XergioAleX Brand: The Ninja Coder Identity
The story behind the XergioAleX ninja coder brand — from concept to execution. Logo symbolism, color palette, design variants, and a complete style guide.
2/9 Building XergioAleX.com
CSS Grid Layout
How CSS Grid changed the way I think about layouts — from Flexbox limitations to two-dimensional freedom, with practical exercises and accessibility tricks.
Vue Vixens Talk: Styles in Vue
Why styling matters in component-based frameworks and how Vue makes CSS scoped, modular, and powerful. From preprocessors to component architecture.
Building Virtual Reality for the Web: A-Frame, Mazes, and 360° Galleries
How I built WebVR with HTML and JavaScript: a VR maze, a 360° gallery, and 20+ demos proving browser VR doesn't need expensive hardware.
WebVR with A-Frame (UniRemington Talk)
Bringing virtual reality to the web and why democratizing VR matters. From 360° photos to interactive 3D worlds, all with HTML and JavaScript.