Google Launches Modern Web Guidance and DevTools for AI to Speed Up Performance Fixes

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Google has released two new resources — Modern Web Guidance and Chrome DevTools for AI Agents — aimed at helping developers and AI coding assistants resolve web performance issues more efficiently. Modern Web Guidance is a Chrome team-maintained knowledge base covering rendering performance, Core Web Vitals, JavaScript optimization, and loading strategies, replacing the need to search scattered documentation. Chrome DevTools for AI Agents exposes runtime browser data — including performance traces, network requests, and layout shifts — in a format that AI assistants can analyze and interpret. Together, the tools allow an AI agent to trace a performance bottleneck, match it to established best practices, and suggest concrete fixes such as splitting long tasks or reserving space for images. Google recommends developers use these tools to complement, rather than replace, their own understanding of performance fundamentals.

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

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