https://en.wikipedia.org/wiki/ChatGPT
Tested 2026-09-24 03:30:22 using Firefox 154.0.1 (runtime settings)
| Metric | Run 1 | Run 2 | Run 3 | Run 4 | Run 5 | Median | Mean | Stddev | RSD |
|---|---|---|---|---|---|---|---|---|---|
| Google Web Vitals | |||||||||
| Time to First Byte | 422 ms | 428 ms | 421 ms | 422 ms | 422 ms | 422 ms | 423 ms | 3 ms | 0.60 % |
| Largest Contentful Paint | 1.189 s | 2.085 s | 2.440 s | 2.101 s | 2.102 s | 2.101 s | 1.983 s | 419 ms | 21.12 % |
| Timing metrics | |||||||||
| First Paint | 1.068 s | 1.066 s | 1.425 s | 1.070 s | 1.087 s | 1.070 s | 1.143 s | 141 ms | 12.34 % |
| Largest Contentful Paint | 1.189 s | 2.085 s | 2.440 s | 2.101 s | 2.102 s | 2.101 s | 1.983 s | 419 ms | 21.12 % |
| Load Event End | 1.490 s | 1.494 s | 1.838 s | 1.504 s | 1.501 s | 1.501 s | 1.565 s | 136 ms | 8.71 % |
| Server Response Time | 112 ms | 112 ms | 112 ms | 112 ms | 112 ms | 112 ms | 112 ms | 0 ms | 0.00 % |
| TTFB | 422 ms | 428 ms | 421 ms | 422 ms | 422 ms | 422 ms | 423 ms | 3 ms | 0.60 % |
| Page Load Time | 1.490 s | 1.494 s | 1.837 s | 1.504 s | 1.500 s | 1.500 s | 1.565 s | 136 ms | 8.70 % |
| First Visual Change | 1.133 s | 1.133 s | 1.467 s | 1.100 s | 1.100 s | 1.133 s | 1.187 s | 141 ms | 11.88 % |
| Last Visual Change | 2.200 s | 2.100 s | 2.467 s | 2.067 s | 2.100 s | 2.100 s | 2.187 s | 147 ms | 6.72 % |
| Speed Index | 1.166 s | 1.234 s | 1.570 s | 1.203 s | 1.203 s | 1.203 s | 1.275 s | 149 ms | 11.68 % |
| Visual Readiness | 1.067 s | 967 ms | 1.000 s | 967 ms | 1.000 s | 1.000 s | 1.000 s | 37 ms | 3.65 % |
| Visual Complete 95 | 1.133 s | 2.100 s | 2.433 s | 2.067 s | 2.067 s | 2.067 s | 1.960 s | 436 ms | 22.24 % |
| Visual Complete 99 | 2.200 s | 2.100 s | 2.467 s | 2.067 s | 2.100 s | 2.100 s | 2.187 s | 147 ms | 6.72 % |
| CPU metrics | |||||||||
| Browser metrics | |||||||||
| CPU benchmark score | 82 ms | 79 ms | 77 ms | 77 ms | 77 ms | 77 ms | 78 ms | 2 ms | 2.50 % |
| Page metrics | |||||||||
| DOM elements | 10527 | 10213 | 10214 | 10214 | 10213 | 10214 | 10276 | 125 | 1.22 % |
| Document height | 29644 | 29373 | 29373 | 29373 | 29373 | 29373 | 29427 | 108 | 0.37 % |
| Total Requests | 44 | 45 | 45 | 45 | 45 | 45 | 45 | 0 | 0.89 % |
| HTML Requests | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0.00 % |
| JavaScript Requests | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 0 | 4.88 % |
| 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 | 734.0 KB | 665.9 KB | 666.1 KB | 665.9 KB | 665.9 KB | 665.9 KB | 679.6 KB | 27.2 KB | 4.00 % |
| HTML Transfer Size | 191.8 KB | 191.8 KB | 191.9 KB | 191.8 KB | 191.8 KB | 191.8 KB | 191.8 KB | 21 B | 0.01 % |
| JavaScript Transfer Size | 403.3 KB | 291.5 KB | 291.6 KB | 291.5 KB | 291.5 KB | 291.5 KB | 313.9 KB | 44.7 KB | 14.24 % |
| CSS Transfer Size | 29.4 KB | 29.4 KB | 29.4 KB | 29.4 KB | 29.4 KB | 29.4 KB | 29.4 KB | 2 B | 0.01 % |
| 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 | 1 B | 0.07 % |
| Plain Transfer Size | 1.7 KB | 997 B | 1007 B | 997 B | 997 B | 997 B | 1.1 KB | 282 B | 24.71 % |
| SVG Transfer Size | 85.3 KB | 91.8 KB | 91.8 KB | 91.8 KB | 91.8 KB | 91.8 KB | 90.5 KB | 2.6 KB | 2.86 % |
| 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 | 44 | 45 | 45 | 45 | 45 | 45 | 45 | 0 | 0.89 % |
| First Party Total Transfer Size | 734.0 KB | 665.9 KB | 666.1 KB | 665.9 KB | 665.9 KB | 665.9 KB | 679.6 KB | 27.2 KB | 4.00 % |
| First Party Total Content Size | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0 b | 0.00 % |
