Claude performance report · https://infinitalab.com/metrology-testing-service/
On mobile this template scores 54 against 99 on desktop. Mobile is held back by main-thread blocking (TBT 717ms) from 1.8 MB of JavaScript. Mobile LCP is slow at 4.8s.
| Metric | Mobile | Desktop | Target |
|---|---|---|---|
| Performance | 54 | 99 | 90+ |
| Accessibility | 92 | 91 | 90+ |
| Best Practices | 69 | 100 | 90+ |
| SEO | 92 | 92 | 90+ |
| Largest Contentful Paint | 4.8s | 0.8s | < 2.5s |
| Cumulative Layout Shift | 0.02 | 0.03 | < 0.1 |
| Total Blocking Time | 718ms | 0ms | < 200ms |
| First Contentful Paint | 3.0s | 0.8s | < 1.8s |
| Speed Index | 6.5s | 0.9s | < 3.4s |
| Time to First Byte | 225ms | 10ms | < 0.8s |
| Metric | Mobile | Desktop |
|---|---|---|
| Total page weight | 3.2 MB | 0.4 MB |
| Images | 0.5 MB | 0.1 MB |
| JavaScript | 1.8 MB | 0.0 MB |
| Third-party bytes | — | — |
| Requests (total) | 143 | 27 |
| Script requests | 43 | 3 |
| Image requests | 41 | 11 |
| DOM elements | — | — |
| CPU time | 4.1s | 0.5s |