https://en.wikipedia.org/wiki/ChatGPT
Tested 2026-08-24 21:08:08 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 | 424 ms | 422 ms | 425 ms | 425 ms | 422 ms | 424 ms | 424 ms | 1 ms | 0.32 % |
| Largest Contentful Paint | 1.290 s | 1.257 s | 1.222 s | 1.092 s | 1.307 s | 1.257 s | 1.234 s | 77 ms | 6.21 % |
| Timing metrics | |||||||||
| First Paint | 1.068 s | 1.109 s | 1.091 s | 1.091 s | 1.170 s | 1.091 s | 1.106 s | 35 ms | 3.13 % |
| Largest Contentful Paint | 1.290 s | 1.257 s | 1.222 s | 1.092 s | 1.307 s | 1.257 s | 1.234 s | 77 ms | 6.21 % |
| Load Event End | 1.535 s | 1.520 s | 1.550 s | 1.490 s | 1.563 s | 1.535 s | 1.532 s | 25 ms | 1.65 % |
| Server Response Time | 112 ms | 112 ms | 112 ms | 112 ms | 112 ms | 112 ms | 112 ms | 0 ms | 0.00 % |
| TTFB | 424 ms | 422 ms | 425 ms | 425 ms | 422 ms | 424 ms | 424 ms | 1 ms | 0.32 % |
| Page Load Time | 1.535 s | 1.520 s | 1.550 s | 1.490 s | 1.563 s | 1.535 s | 1.532 s | 25 ms | 1.65 % |
| First Visual Change | 1.100 s | 1.133 s | 1.100 s | 1.133 s | 1.200 s | 1.133 s | 1.133 s | 37 ms | 3.22 % |
| Last Visual Change | 1.933 s | 2.067 s | 2.067 s | 2.067 s | 2.067 s | 2.067 s | 2.040 s | 54 ms | 2.63 % |
| Speed Index | 1.118 s | 1.153 s | 1.120 s | 1.151 s | 1.217 s | 1.151 s | 1.152 s | 36 ms | 3.11 % |
| Visual Readiness | 833 ms | 934 ms | 967 ms | 934 ms | 867 ms | 934 ms | 907 ms | 49 ms | 5.43 % |
| Visual Complete 95 | 1.100 s | 1.133 s | 1.100 s | 1.133 s | 1.200 s | 1.133 s | 1.133 s | 37 ms | 3.22 % |
| Visual Complete 99 | 1.933 s | 2.067 s | 2.067 s | 2.033 s | 2.067 s | 2.067 s | 2.033 s | 52 ms | 2.55 % |
| CPU metrics | |||||||||
| Browser metrics | |||||||||
| CPU benchmark score | 55 ms | 79 ms | 77 ms | 77 ms | 77 ms | 77 ms | 73 ms | 9 ms | 12.37 % |
| Page metrics | |||||||||
| DOM elements | 9216 | 9216 | 9216 | 9217 | 9216 | 9216 | 9216 | 0 | 0.00 % |
| Document height | 29939 | 29939 | 29939 | 29939 | 29939 | 29939 | 29939 | 0 | 0.00 % |
| Total Requests | 41 | 41 | 41 | 34 | 41 | 41 | 40 | 3 | 7.07 % |
| 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 | 610.3 KB | 610.3 KB | 610.3 KB | 586.3 KB | 610.3 KB | 610.3 KB | 605.5 KB | 9.6 KB | 1.59 % |
| 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 | 289.7 KB | 289.7 KB | 289.7 KB | 289.7 KB | 289.7 KB | 289.7 KB | 289.7 KB | 2 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 | 997 B | 996 B | 997 B | 996 B | 997 B | 997 B | 997 B | 0 b | 0.05 % |
| SVG Transfer Size | 85.3 KB | 85.3 KB | 85.3 KB | 77.9 KB | 85.3 KB | 85.3 KB | 83.8 KB | 3.0 KB | 3.56 % |
| 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 | 34 | 41 | 41 | 40 | 3 | 7.07 % |
| First Party Total Transfer Size | 610.3 KB | 610.3 KB | 610.3 KB | 586.3 KB | 610.3 KB | 610.3 KB | 605.5 KB | 9.6 KB | 1.59 % |
| First Party Total Content Size | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0.00 % |
