https://en.wikipedia.org/wiki/ChatGPT
Tested 2026-08-25 00:24:52 using Firefox 153.0.3 (runtime settings)
| Metric | Run 1 | Run 2 | Run 3 | Run 4 | Run 5 | Median | Mean | Stddev | RSD |
|---|---|---|---|---|---|---|---|---|---|
| Google Web Vitals | |||||||||
| Time to First Byte | 421 ms | 425 ms | 422 ms | 425 ms | 424 ms | 424 ms | 423 ms | 2 ms | 0.38 % |
| Largest Contentful Paint | 1.290 s | 1.289 s | 1.374 s | 1.307 s | 1.341 s | 1.307 s | 1.320 s | 33 ms | 2.49 % |
| Timing metrics | |||||||||
| First Paint | 1.136 s | 1.165 s | 1.239 s | 1.147 s | 1.170 s | 1.165 s | 1.171 s | 36 ms | 3.07 % |
| Largest Contentful Paint | 1.290 s | 1.289 s | 1.374 s | 1.307 s | 1.341 s | 1.307 s | 1.320 s | 33 ms | 2.49 % |
| Load Event End | 1.583 s | 1.580 s | 1.634 s | 1.554 s | 1.578 s | 1.580 s | 1.586 s | 26 ms | 1.65 % |
| Server Response Time | 112 ms | 112 ms | 112 ms | 112 ms | 113 ms | 112 ms | 112 ms | 0 ms | 0.36 % |
| TTFB | 421 ms | 425 ms | 422 ms | 425 ms | 424 ms | 424 ms | 423 ms | 2 ms | 0.38 % |
| Page Load Time | 1.583 s | 1.579 s | 1.634 s | 1.554 s | 1.577 s | 1.579 s | 1.585 s | 26 ms | 1.66 % |
| First Visual Change | 1.167 s | 1.233 s | 1.267 s | 1.167 s | 1.200 s | 1.200 s | 1.207 s | 39 ms | 3.21 % |
| Last Visual Change | 2.133 s | 2.133 s | 2.067 s | 2.067 s | 2.067 s | 2.067 s | 2.093 s | 32 ms | 1.54 % |
| Speed Index | 1.187 s | 1.251 s | 1.284 s | 1.185 s | 1.218 s | 1.218 s | 1.225 s | 38 ms | 3.11 % |
| Visual Readiness | 966 ms | 900 ms | 800 ms | 900 ms | 867 ms | 900 ms | 887 ms | 54 ms | 6.08 % |
| Visual Complete 95 | 1.167 s | 1.233 s | 1.267 s | 1.167 s | 1.200 s | 1.200 s | 1.207 s | 39 ms | 3.21 % |
| Visual Complete 99 | 2.133 s | 2.133 s | 2.067 s | 2.067 s | 2.067 s | 2.067 s | 2.093 s | 32 ms | 1.54 % |
| CPU metrics | |||||||||
| Browser metrics | |||||||||
| CPU benchmark score | 77 ms | 52 ms | 77 ms | 78 ms | 52 ms | 77 ms | 67 ms | 12 ms | 18.48 % |
| Page metrics | |||||||||
| DOM elements | 9216 | 9216 | 9216 | 9216 | 9216 | 9216 | 9216 | 0 | 0.00 % |
| Document height | 29939 | 29939 | 29939 | 29939 | 29939 | 29939 | 29939 | 0 | 0.00 % |
| Total Requests | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 0 | 0.00 % |
| HTML Requests | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0.00 % |
| JavaScript Requests | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 0 | 0.00 % |
| CSS Requests | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 0.00 % |
| Font Requests | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 % |
| HTTP Errors | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | N/A |
| Total Transfer Size | 610.4 KB | 610.4 KB | 610.4 KB | 610.4 KB | 610.4 KB | 610.4 KB | 610.4 KB | 3 B | 0.00 % |
| HTML Transfer Size | 183.0 KB | 183.0 KB | 183.0 KB | 183.0 KB | 183.0 KB | 183.0 KB | 183.0 KB | 0 b | 0.00 % |
| JavaScript Transfer Size | 289.8 KB | 289.8 KB | 289.8 KB | 289.8 KB | 289.8 KB | 289.8 KB | 289.8 KB | 1 B | 0.00 % |
| CSS Transfer Size | 29.4 KB | 29.4 KB | 29.4 KB | 29.4 KB | 29.4 KB | 29.4 KB | 29.4 KB | 1 B | 0.00 % |
| Font Transfer Size | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0.00 % |
| Favicon Transfer Size | 2.0 KB | 2.0 KB | 2.0 KB | 2.0 KB | 2.0 KB | 2.0 KB | 2.0 KB | 0 b | 0.02 % |
| Plain Transfer Size | 996 B | 997 B | 997 B | 997 B | 997 B | 997 B | 997 B | 0 b | 0.04 % |
| SVG Transfer Size | 85.3 KB | 85.3 KB | 85.3 KB | 85.3 KB | 85.3 KB | 85.3 KB | 85.3 KB | 2 B | 0.00 % |
| Total Content Size | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0.00 % |
| HTML Content Size | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0.00 % |
| JavaScript Content Size | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0.00 % |
| CSS Content Size | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0.00 % |
| Image Content Size | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0.00 % |
| Font Content Size | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0.00 % |
| Favicon Content Size | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0.00 % |
| Plain Content Size | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0.00 % |
| SVG Content Size | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0.00 % |
| Third Party metrics | |||||||||
| First Party metrics | |||||||||
| First Party Requests | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 0 | 0.00 % |
| First Party Total Transfer Size | 610.4 KB | 610.4 KB | 610.4 KB | 610.4 KB | 610.4 KB | 610.4 KB | 610.4 KB | 3 B | 0.00 % |
| First Party Total Content Size | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0.00 % |
