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blazing fast.
Actionable performance guides with code examples.
Fix Core Web Vitals for Next.js, React, Astro, Nuxt, and more.
Astro Image Optimization: Fix LCP Without the Guesswork
Your Astro site's LCP is slow because of images. Here's how to fix it — from the lazy loading trap to Astro 6.1's codec-specific Sharp defaults, with measurable before-and-after results.
Next.js Bundle Size: Find and Fix What's Bloating Your App
A step-by-step case study reducing a Next.js app's First Load JS from 412kb to 185kb. Learn to diagnose bundle bloat with real code fixes and measurable results.
Cloudflare Just Exposed Next.js's Biggest Performance Problem
Cloudflare rebuilt Next.js from scratch and cut JavaScript bundles by 57%. This isn't just a new tool - it's a wake-up call about the hidden performance tax we've been paying.
Astro Ships Less JavaScript by Default (Zero JS Explained + Islands Architecture)
Astro ships less JavaScript by default using its Islands Architecture — often described as “zero JS by default.” Here’s what that really means.
React Server Components: When They Actually Improve Core Web Vitals (And When They Don't)
RSC can cut JS bundles by 62%, but only with the right architecture. Learn the performance wins, pitfalls, and migration patterns.
Third-Party Scripts Are Killing Your Core Web Vitals (Here's How to Fix Them)
Analytics, chat widgets, and tracking pixels can add seconds to your page load. Learn how to identify the worst offenders and fix them with async loading, Partytown, and server-side tracking.
Material UI Performance: Fix Slow Renders and Large Bundles
MUI apps getting sluggish? Learn how to fix bundle bloat, optimize imports, and avoid runtime performance pitfalls that hurt your Core Web Vitals.
Next.js vs Nuxt Performance: Real Benchmarks and When Each Wins
Which is faster - Next.js or Nuxt? We compare SSR throughput, build times, bundle sizes, and Core Web Vitals with actual benchmark data. The answer depends on your use case.
4 Things Making Your Vite Dev Server Slow (And How to Fix Them)
Vite taking 30+ seconds to start? It's almost always one of these 4 issues: barrel files, Babel, SVG transforms, or chunking. Here's how to fix each one.
How to Use AI to Fix Core Web Vitals Issues
Learn how to use ChatGPT, Claude, and other AI tools to diagnose and fix LCP, CLS, and INP problems. Includes practical prompts and workflows for developers.
Best AI-Powered Website Performance Tools in 2026
A practical comparison of AI-enhanced performance monitoring tools including DebugBear, Vercel Analytics, SpeedCurve, and more. Find the right tool for your workflow.
Do You Still Need useMemo in React 19? Here's When It Matters
The React 19 Compiler handles memoization automatically—but not always. Learn the 4 cases where useMemo and useCallback still matter.
How to Speed Up WordPress: Fix Core Web Vitals Without Breaking Your Site
Slow WordPress site dragging down your rankings? Learn how to fix Core Web Vitals with caching, image optimization, and plugin cleanup - without losing functionality.
Nuxt Performance Optimization: Fix Core Web Vitals Issues
Nuxt site not hitting performance targets? Learn how to optimize images, fonts, data fetching, and component loading for better Core Web Vitals scores.
Next.js Performance Optimization: Fix Core Web Vitals Issues
Next.js site running slow? Learn how to fix common performance mistakes with Images, Server Components, fonts, and code splitting for better Core Web Vitals.
How to Improve Interaction to Next Paint (INP) Score
Failing INP after it replaced FID? Learn what causes slow interactions and how to optimize JavaScript, event handlers, and third-party scripts.
How to Fix Cumulative Layout Shift (CLS) and Stop Page Jumping
Layout shifts ruining your Core Web Vitals? Learn what causes CLS and how to fix it with code examples for images, fonts, ads, and dynamic content.
How to Fix Largest Contentful Paint (LCP) and Speed Up Your Site
Slow LCP dragging down your Core Web Vitals? Learn how to identify your LCP element and fix it with practical code examples for Next.js, Nuxt, and more.
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