Printable template
Website Speed & Core Web Vitals Audit
Business: [Business name]
Tested URL: [Website/page address]
Audit date: [Date]
Tool used: [PageSpeed Insights / Lighthouse / limitation]
Evidence reviewed: [Mobile score, desktop score, LCP, CLS, INP/TBT, opportunities]
Executive Summary
[Overall speed condition, confirmed performance blockers, and first fixes.]
Audit Score
Performance Score: [Score]/100
| Criterion | Weight | Score | Evidence |
|---|---|---|---|
| Core Web Vitals | 25 | [ ] | [Metric evidence or limitation] |
| Mobile performance | 20 | [ ] | [PageSpeed/Lighthouse evidence] |
| Desktop performance | 10 | [ ] | [PageSpeed/Lighthouse evidence] |
| Image optimisation | 15 | [ ] | [Evidence] |
| Render blocking resources | 10 | [ ] | [Evidence] |
| Caching and compression | 10 | [ ] | [Evidence] |
| Third-party script impact | 5 | [ ] | [Evidence] |
| Practical performance opportunities | 5 | [ ] | [Evidence] |
Critical Issues
- [Finding]
Observation: [What the data shows]
Evidence: [Metric, screenshot, URL, or tool output]
Business Impact: [Mobile/conversion impact]
Recommendation: [Specific performance fix]
Priority: Critical
Estimated Time to Fix: [Time]
Estimated Effort: [Low/Medium/High]
Expected Benefit: [Expected improvement]
High Priority Issues
- [Use the same evidence-based finding format.]
Medium Priority Issues
- [Use the same evidence-based finding format.]
Quick Wins
- [Fast performance improvement with evidence and expected benefit.]
Priority Recommendations
- [Prioritised action to improve speed or Core Web Vitals.]
30-Day Action Plan
- Week 1: [Compress/resize heavy assets]
- Week 2: [Reduce render-blocking resources]
- Week 3: [Improve caching/scripts]
- Week 4: [Retest and compare]
Final Recommendation
[What to fix first and what should be measured again.]
Audit Limitations
Performance findings depend on the tested URL, test date, network/device conditions, and available Lighthouse/PageSpeed data. Do not estimate Core Web Vitals when data is unavailable.