How to Choose Image Conversion or Compression in Python — Property Photos
Short answer: to choose between image conversion and compression, convert when a target device or browser needs a different format or shape; compres…
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How I made my React portfolio 2x faster (Lighthouse 30 to 80) by prerendering a Vite app
My portfolio is a Vite + React single-page app with a cyberpunk terminal theme: matrix rain, a live terminal, mini-games, easter eggs. It looked gre…
INP and Partytown: give the main thread back to your users
Introduction You click on a button. Nothing happens. You click again. Still nothing. Then the menu opens... and closes right away. We have all lived…
We Thought We Had an Image Format Problem. We Actually Had a Workflow Problem.
While rebuilding the Daminion website, we started paying more attention to something fairly mundane: image files. Some pages contained old JPEGs. De…
Site-Wide Structured Data and Social Graph Integration
Choosing A Publishing Stack A Technical a mobile stack starts with constraints, not a popularity contest. When developing static-site platforms or c…
Core Web Vitals Benchmarks for Shopify Stores (2026 Data)
Shopify's own theme performance table still shows median pass rates in the 80–97% range for LCP, INP, CLS, and “all Core Web Vitals.” Open a multi-p…
How to monitor and maintain Laravel apps for multiple clients
Laravel agencies often run a clean ops story and a messy front-end story at the same time. Forge or Vapor shows green deployments, queues drain, and…
iOS Safari can't decode your .mov, and the reason is 2 bytes deep in the container
Our tool transcribes audio in the browser — Whisper running locally via transformers.js , no upload. It worked fine, until analytics showed somethin…
When LCP Moves and Nobody Deployed: Browser Release Cadence and Your 28-Day Field Window
Field Largest Contentful Paint in PageSpeed Insights can move while your release calendar stays empty. Chrome User Experience Report (CrUX) data is…
Is PageSpeed Insights a good reference for web page structure/performance?
PageSpeed Insights (PSI) answers a narrow question well and a broad one poorly. It is a good reference for how a URL performs under a controlled lab…
INP Bukan Masalah Hosting: Cara Mengaudit dan Menjinakkan Script Pihak Ketiga di Situs Bisnis
Setiap kali skor Core Web Vitals memerah, percakapan di ruang rapat hampir selalu berbelok ke arah yang sama. Ganti hosting. Naikkan RAM. Pindah ke…
How We Optimized Next.js 15 for 70,000+ High-Res 4K Wallpapers (Without Melting the Edge)
When we set out to build Zenith Walls , we made a promise: we were going to serve pristine, uncompromised 4K and 8K wallpapers — crisp enough for ul…
TTFB Won't Go Down? Server-Side Culprits Beyond the Theme
You moved the site behind a CDN, trimmed the theme, deferred scripts, and ran a caching plugin. PageSpeed Insights still flags a high Time to First…
How We Cut Our Homepage TTFB from 800ms to Under 200ms (and Refreshed the Hero While We Were At It)
How We Cut Our Homepage TTFB from 800ms to Under 200ms (and Refreshed the Hero While We Were At It) Our homepage was fine. It loaded. It had words o…
AVIF vs WebP vs JPEG: Real Benchmarks (2026)
I compressed 100 photos through 3 formats. Here's the actual data. A 2MB JPEG photo. Convert it to WebP — now it's 480KB. Convert it to AVIF — now i…
Engineering for Speed: Lessons from ReBALKAN’s Four-Platform Performance Tests
A multilingual marketplace has a performance problem before it has traffic. Every additional language can introduce new templates, fonts, assets, ro…
Building High-Performance Martial Arts E-Commerce Stores: A Developer's Guide
Why Martial Arts Retailers Need Technical Excellence Martial arts equipment stores represent a niche but growing e-commerce segment. From specialty…
🚀 Introducing Prism Guard — An Open Source Frontend Architecture Intelligence Platform
Every engineering team has experienced this. The codebase starts clean. A few months later... Components become 500+ lines long. Anonymous component…
Fix Web Performance Issues Faster with Modern Web Guidance and Chrome DevTools for AI Agents
Performance optimization has always been one of the hardest parts of web development. You run Lighthouse, record a Performance trace, identify a lon…
Your structured data is probably broken, and your crawler isn't telling you
Most on-page audits catch the obvious stuff: a missing title here, a duplicate meta description there. The thing that quietly costs you rich results…
Building High-Performance E-Commerce Sites for Niche Fashion: A Developer's Guide
The Challenge of Niche E-Commerce Niche fashion retailers—think specialized clothing, accessory boutiques, or heritage brands—face a unique technica…
Image Optimization for Modern Web Applications: Formats, CDNs, Automation
Images account for 50-70% of a typical web page's weight. Optimizing them properly — choosing the right format, generating responsive sizes, automat…
60fps Real-Time Graphics: OffscreenCanvas in Next.js ⚡
The Interactive Dashboard Bottleneck Modern enterprise platforms at Smart Tech Devs demand high-density data visualizations. We build tracking space…
How to Onboard a New Client for Performance Monitoring
You sold performance monitoring on the proposal, and the contract is signed. Now delivery has three days before someone asks why nothing is live yet…
Vendor Chunking: The React Optimization I Wish I'd Known Earlier
I ignored my bundle size for months. By the time I checked, my production build was several megabytes of JavaScript in a single file — and every dep…
Font Subsetting for Web Performance: 4 Tools to Reduce Font File Size and Improve LCP
In web development, every millisecond on the critical path matters. Typography is part of your visual identity, yet a single self-hosted family can…
From Reactive to Proactive: How Smart Alerts Change Performance Monitoring
An account manager forwarded us a Search Console screenshot at 4:47 p.m. on a Friday. LCP on the homepage had been in the red for eleven days. Engin…
INP in production: what we wish we had measured earlier
We spent years teaching clients to watch Largest Contentful Paint. Hero images, preload tags, CDN moves: the story was easy to tell in a slide deck.…
I've audited dozens of estate agency websites. The same 5 problems show up every single time.
Estate agency websites sit in an interesting category from a technical standpoint — high commercial intent traffic, predominantly mobile, long decis…