Analyze your website’s performance on both mobile and desktop devices. Get actionable insights to improve loading times and user experience across all platforms.
Note: This tool runs entirely in your browser. Some metrics are simulated for demonstration purposes.
Testing website performance. This may take a few seconds…
Mobile Performance
72
Average
3.2s
Page Load Time
420ms
Time to First Byte
2.1MB
Page Size
64
Requests
Desktop Performance
88
Good
1.8s
Page Load Time
220ms
Time to First Byte
1.9MB
Page Size
58
Requests
Performance Comparison
Mobile devices typically have slower processors and network connections, which can significantly impact website performance. The comparison above shows how your website performs under these different conditions.
Mobile Performance Details
| Metric | Value | Status |
|---|---|---|
| Page Load Time | 3.2 seconds | Average |
| Time to First Byte (TTFB) | 420 ms | Slow |
| DNS Lookup Time | 35 ms | Fast |
| Connection Time | 85 ms | Average |
| DOM Content Loaded | 2.1 seconds | Average |
| Full Page Load | 3.2 seconds | Average |
| Page Size | 2.1 MB | Average |
| Number of Requests | 64 | High |
| Compression | GZIP Enabled | Good |
| Render Blocking Resources | 4 resources detected | Needs improvement |
Mobile Optimization Suggestions
Desktop Performance Details
| Metric | Value | Status |
|---|---|---|
| Page Load Time | 1.8 seconds | Fast |
| Time to First Byte (TTFB) | 220 ms | Average |
| DNS Lookup Time | 18 ms | Fast |
| Connection Time | 42 ms | Fast |
| DOM Content Loaded | 1.2 seconds | Fast |
| Full Page Load | 1.8 seconds | Fast |
| Page Size | 1.9 MB | Good |
| Number of Requests | 58 | Average |
| Compression | GZIP Enabled | Good |
| Render Blocking Resources | 2 resources detected | Moderate |
Desktop Optimization Suggestions
Comprehensive Optimization Guide
Mobile-Specific Optimizations
- Optimize Images: Use WebP format and serve appropriately sized images for mobile screens.
- Minimize JavaScript: Reduce and defer non-critical JavaScript to speed up rendering.
- Implement Lazy Loading: Load images and content only when they’re about to enter the viewport.
- Use Mobile-First CSS: Design with mobile constraints in mind from the beginning.
- Reduce Redirects: Each redirect adds additional HTTP requests and latency.
Desktop-Specific Optimizations
- Leverage Browser Caching: Set appropriate cache headers for static resources.
- Optimize CSS Delivery: Eliminate render-blocking CSS and use critical CSS inlining.
- Enable Compression: Use GZIP or Brotli compression for all text-based resources.
- Use a CDN: Distribute content geographically closer to your users.
- Minimize HTTP Requests: Combine files where possible and use sprites for images.
Cross-Platform Optimizations
- Improve Server Response Time: Optimize your backend code and database queries.
- Enable HTTP/2: Take advantage of multiplexing and server push features.
- Minify Resources: Remove unnecessary characters from code without changing functionality.
- Optimize Web Fonts: Use font-display: swap and subset fonts to include only needed characters.
- Reduce Third-Party Scripts: Evaluate and minimize the impact of third-party code.
