Performance fix guide
Poor Interaction to Next Paint (INP)
Interaction to Next Paint exceeds 200ms, indicating the page is slow to respond to user interactions like clicks and taps. This Core Web Vital directly affects user experience.
Issue ID: CWV-INP-001
Severity: major
Impact: High
Effort: L
Use this article when
- You need deeper remediation guidance than the issue card can show.
- You want CMS-specific steps before handing the fix to a developer.
- You want a repeatable re-check path after shipping the change.
What this issue is
Interaction to Next Paint exceeds 200ms, indicating the page is slow to respond to user interactions like clicks and taps. This Core Web Vital directly affects user experience.
Why it matters
Interaction to Next Paint exceeds 200ms, indicating the page is slow to respond to user interactions like clicks and taps. This Core Web Vital directly affects user experience. This affects load speed, Core Web Vitals, and how many visitors stay long enough to convert.
How we detect it
- FreeSiteAudit flags this issue when the rule for CWV-INP-001 fails and the page evidence points to Performance tool.
- You can usually confirm this by checking the page source or the relevant page settings inside your CMS.
Evidence examples
Check the affected page source, rendered output, or relevant CMS setting to confirm the missing or incorrect element.
How to fix it
- 1Break up long JavaScript tasks into smaller chunks
- 2Reduce main thread blocking by deferring non-critical work
- 3Optimize event handlers and reduce DOM manipulation in response to interactions
How to re-check it
- Measure INP using Chrome DevTools or web-vitals.js and confirm it is under 200ms
Related tools
This issue is best verified with the full FreeSiteAudit crawl rather than a single-point mini tool.