Core Web Vitals INP analyzer

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.

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

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.