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Performance fix guide

Lighthouse / Public Performance Snapshot Available

A Lighthouse or PageSpeed Insights performance snapshot is available for this page. This provides a baseline lab measurement of key performance metrics including FCP, LCP, TBT, CLS, and Speed Index.

Issue ID: CWV-LIGHTHOUSE-SNAPSHOT-001
Severity: advisory
Impact: Low
Effort: S

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.
Re-run full audit

What this issue is

A Lighthouse or PageSpeed Insights performance snapshot is available for this page. This provides a baseline lab measurement of key performance metrics including FCP, LCP, TBT, CLS, and Speed Index.

Why it matters

A Lighthouse or PageSpeed Insights performance snapshot is available for this page. This provides a baseline lab measurement of key performance metrics including FCP, LCP, TBT, CLS, and Speed Index. 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-LIGHTHOUSE-SNAPSHOT-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

  1. 1Review the Lighthouse report for specific opportunities and diagnostics
  2. 2Prioritize fixes by estimated savings and impact on Core Web Vitals
  3. 3Re-run Lighthouse after making changes to measure improvement

How to re-check it

  • Run Lighthouse or PSI and confirm overall performance score has improved

Related tools

This issue is best verified with the full FreeSiteAudit crawl rather than a single-point mini tool.