Debugging web performance with Chrome DevTools
A practical checklist for spotting bottlenecks and validating fixes in real time.
Performance news
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Fixing the URL params performance penalty
New HTTP header boosts caching by ignoring tracking params.
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Speeding up CSS with compression dictionaries
Using shared compression dictionaries to cut CSS load times and bandwidth across pages.
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Performance monitoring for web components
Using the User Timing API to track real-world component performance
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Evaluating frameworks performance
Comparing 10 meta-frameworks: Marko, SolidStart, SvelteKit, Qwik lead. React has limits.
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React Compiler v1.0
Stable compiler auto-optimizes components, improves speeds up to 12%, used in Meta apps.