Sample Website Performance Report
See exactly what you get when you test your website with W3Test - performance, SEO, accessibility, best practices, Core Web Vitals, resource breakdown and prioritized fixes.
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Overall Score: 97 / 100
This website scores well across every category. The biggest opportunities are image compression and deferring non-critical JavaScript.
Key Stats
Audit Summary
SEO
Accessibility
Best Practices
Top Priorities
Serve AVIF or WebP images and compress them to reduce the total page weight.
Move analytics and third-party scripts to the end of the document or load them with defer.
Restrict access to browser features you do not use to harden the site.
Core Web Vitals
The largest content element becomes visible in under 2.5 seconds.
The page responds to user input almost instantly.
The layout stays stable while the page loads.
Additional Metrics
Performance Opportunities
Properly size images
High ImpactServe images that are appropriately sized to save cellular data and improve load time.
Eliminate render-blocking resources
Medium ImpactResources are blocking the first paint of the page. Consider deferring or inlining them.
Enable text compression
Low ImpactServe text-based resources using compression (gzip or brotli) to reduce transfer size.
Checks
Security Headers
| URL | Type | Size | Load Time | Status |
|---|---|---|---|---|
| https://example.com/ | Html | 28 KB | 120 ms | 200 OK |
| https://example.com/css/main.css | Css | 96 KB | 85 ms | 200 OK |
| https://example.com/js/app.js | Javascript | 240 KB | 160 ms | 200 OK |
| https://example.com/img/hero.avif | Images | 320 KB | 210 ms | 200 OK |
| https://fonts.gstatic.com/inter.woff2 | Fonts | 64 KB | 70 ms | 200 OK |
| https://cdn.example.com/analytics.js | Javascript | 48 KB | 190 ms | 200 OK |
Technology Stack Detected
Technologies and frameworks detected on this website.
Prioritized Recommendations
Fixes ordered by impact to improve this website.
Serve AVIF or WebP images and compress them to reduce the total page weight.
Estimated savings: 320 msMove analytics and third-party scripts to the end of the document or load them with defer.
Estimated savings: 210 msRestrict access to browser features you do not use to harden the site.
Improve keyboard navigation for screen reader and keyboard-only users.
What Every W3Test Report Includes
Every test you run unlocks the full picture of your website's quality.
Performance Scores
Lighthouse performance score with Core Web Vitals and detailed timing metrics.
SEO Audit
14+ on-page checks covering titles, meta tags, headings, links and structured data.
Accessibility Review
WCAG-oriented checks for alt text, contrast, labelling and keyboard navigation.
Best Practices
Security headers, mixed content and modern web best-practice verification.
Resource Breakdown
Every request listed by type and size so you can spot heavy assets instantly.
Prioritized Fixes
Clear, ranked recommendations with estimated savings so you know what to fix first.
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