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Slow sites lose customers. We provide the insights, tools, and techniques you need to build faster, more efficient digital experiences that convert.

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LIVE: Global Avg 84/100
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Avg TBT
120ms
Avg LCP
1.2s

Latest Intelligence

Technical deep dives, performance audits, and engineering insights for the modern web.

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Deep dive into the Core Web Vitals that power the modern web. Understand the technical benchmarks that drive SEO rankings and user retention. 

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Expert Perspectives

Industry leaders share their insights on the future of web performance.

Elena Vostrova

Performance isn't just a metric; it's the foundation of user trust. When we shave milliseconds off a load time, we're not just optimizing code—we're respecting the user's time and attention.

Elena Vostrova

Staff Engineer @ Vercel

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David Chen

The future of the web lies in the delicate balance between interactivity and stability. We are moving towards a world where hydration is granular, and the main thread is sacred.

David Chen

Core Maintainer @ React

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Sarah Jenkins

Ecommerce conversion rates are directly tied to First Contentful Paint. We've seen that a 0.1s improvement can lead to a 1% increase in revenue. Speed is currency.

Sarah Jenkins

Head of Performance @ Shopify

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Marcus Thorne

Core Web Vitals are evolving. Interaction to Next Paint (INP) is changing how we think about responsiveness. It's no longer enough to load fast; you must respond instantly.

Marcus Thorne

Principal Architect @ Google Chrome

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Hands-on performance engineering challenges. Test your skills in a simulated production environment.

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Core Web Vitals: LCP Optimization
15 min
Beginner
Chrome DevTools
Advanced Image Formats (AVIF/WebP)
25 min
Intermediate
ImageMagick
React Hydration Strategies
45 min
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React 18+
Server-Side Caching with Redis
60 min
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Redis 6+
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30 min
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