SEO Tool
Lighthouse SEO & Performance Audit
Run mobile and desktop PageSpeed Insights diagnostics and inspect performance, accessibility, SEO and best-practice observations.
✅ Free access 🔒 No Signup ⚡ Online checks 🌐 Browser Based
Quick Answer
Run mobile and desktop PageSpeed Insights diagnostics and inspect performance, accessibility, SEO and best-practice observations.
Quick Facts
- Tool Name
- Lighthouse SEO & Performance Audit
- Category
- SEO Tool
- Price
- Free access; request and input limits may apply.
- Platform
- Browser Based
- Login Required
- ✓ No
- Last updated
- Processing & privacy
- Online checks send submitted URLs or inputs to our server or the services described in the tool. No paid AI features are enabled.
- Scope
- Results describe the submitted input and supported checks. They do not guarantee accuracy, search rankings, indexing or AI citations. Read our testing and scoring methodology.
How to Use Lighthouse SEO & Performance Audit
-
Enter Your Input
Paste your text or fill in the required fields in the tool above.
-
Run the Tool
Use the controls above; some browser tools update as you type.
-
Review the Results
Review the output and any warnings. Hosted checks need an internet connection.
-
Copy or Export
Use the available copy or download controls, and review suggestions before publishing.
Frequently Asked Questions
Everything you need to know about Lighthouse SEO & Performance Audit
Is Lighthouse a ranking engine?
No. Lighthouse is a diagnostic tool. Its scores do not predict search position, and a high score does not guarantee rankings.
Which metrics are Core Web Vitals?
The Core Web Vitals are LCP, INP and CLS. TBT is a laboratory responsiveness metric, not a Core Web Vital. Field data may be unavailable when there are insufficient observations.
Is the tool free?
Free access is subject to request limits and Google API availability. Mobile and desktop checks can take time and may fail when provider quotas are exhausted.
Need more than free tools?
Get Custom AI Solutions from AI2Flows