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Find what is making your website feel slow

Analyze Interaction to Next Paint, main-thread work, JavaScript execution, third-party scripts, rendering delays, DOM complexity, and hydration bottlenecks.

Your INP report will appear here

The analyzer uses PageSpeed Insights, HTML crawl signals, and INP-specific heuristics to prioritize responsiveness fixes.

Previous reports

No saved INP reports yet.

What the analyzer checks

  • INP score

    Current INP value, rating, and plain-language meaning

  • Main thread

    Long tasks, blocking time, script execution, and layout work

  • Bottlenecks

    Hydration, frameworks, bundles, render blockers, and third parties

  • PDF reports

    Export a polished report and compare saved Firebase history

Want these fixes made for you?

Send us the report and a senior performance engineer will fix the slowest interactions first.