https://stf.xelta.ai/models/image_generation/gpt-image-1-5-workflow
Tested 2026-09-08 13:53:40 using Chrome 150.0.7871.46 (runtime settings)
| Metric | Run 1 | Median | Mean | Stddev | RSD |
|---|---|---|---|---|---|
| Google Web Vitals | |||||
| Time to First Byte | 316 ms | 316 ms | 316 ms | 0 ms | 0.00 % |
| Largest Contentful Paint | 2.916 s | 2.916 s | 2.916 s | 0 ms | 0.00 % |
| Total Blocking Time | 965 ms | 965 ms | 965 ms | 0 ms | 0.00 % |
| Cumulative Layout Shift | 0 | 0 | 0 | 0 | 0.00 % |
| Timing metrics | |||||
| First Paint | 856 ms | 856 ms | 856 ms | 0 ms | 0.00 % |
| Largest Contentful Paint | 2.916 s | 2.916 s | 2.916 s | 0 ms | 0.00 % |
| Load Event End | 659 ms | 659 ms | 659 ms | 0 ms | 0.00 % |
| Server Response Time | 286 ms | 286 ms | 286 ms | 0 ms | 0.00 % |
| TTFB | 316 ms | 316 ms | 316 ms | 0 ms | 0.00 % |
| Page Load Time | 649 ms | 649 ms | 649 ms | 0 ms | 0.00 % |
| First Visual Change | 636 ms | 636 ms | 636 ms | 0 ms | 0.00 % |
| Last Visual Change | 5.482 s | 5.482 s | 5.482 s | 0 ms | 0.00 % |
| Speed Index | 2.338 s | 2.338 s | 2.338 s | 0 ms | 0.00 % |
| Visual Readiness | 4.846 s | 4.846 s | 4.846 s | 0 ms | 0.00 % |
| Visual Complete 95 | 5.382 s | 5.382 s | 5.382 s | 0 ms | 0.00 % |
| Visual Complete 99 | 5.482 s | 5.482 s | 5.482 s | 0 ms | 0.00 % |
| CPU metrics | |||||
| Total Blocking Time | 965 ms | 965 ms | 965 ms | 0 ms | 0.00 % |
| Max Potential FID | 261 ms | 261 ms | 261 ms | 0 ms | 0.00 % |
| Number of Long Tasks | 15 | 15 | 15 | 0 | 0.00 % |
| Total Duration of Long Tasks | 1.833 s | 1.833 s | 1.833 s | 0 ms | 0.00 % |
| Browser metrics | |||||
| CPU benchmark score | 47 ms | 47 ms | 47 ms | 0 ms | 0.00 % |
| Page metrics | |||||
| Cumulative Layout Shift | 0 | 0 | 0 | 0 | 0.00 % |
| DOM elements | 2063 | 2063 | 2063 | 0 | 0.00 % |
| Document height | 3759 | 3759 | 3759 | 0 | 0.00 % |
| Total Requests | 130 | 130 | 130 | 0 | 0.00 % |
| HTML Requests | 1 | 1 | 1 | 0 | 0.00 % |
| JavaScript Requests | 48 | 48 | 48 | 0 | 0.00 % |
| CSS Requests | 4 | 4 | 4 | 0 | 0.00 % |
| Font Requests | 10 | 10 | 10 | 0 | 0.00 % |
| HTTP Errors | 401: 2 404: 2 | 0 | 0 | 0 | N/A |
| Total Transfer Size | 24.2 MB | 24.2 MB | 24.2 MB | 0 b | 0.00 % |
| HTML Transfer Size | 33.4 KB | 33.4 KB | 33.4 KB | 0 b | 0.00 % |
| JavaScript Transfer Size | 1.3 MB | 1.3 MB | 1.3 MB | 0 b | 0.00 % |
| CSS Transfer Size | 90.7 KB | 90.7 KB | 90.7 KB | 0 b | 0.00 % |
| Font Transfer Size | 296.0 KB | 296.0 KB | 296.0 KB | 0 b | 0.00 % |
| Favicon Transfer Size | 8.9 KB | 8.9 KB | 8.9 KB | 0 b | 0.00 % |
| JSON Transfer Size | 3.3 MB | 3.3 MB | 3.3 MB | 0 b | 0.00 % |
| Other Transfer Size | 1.4 KB | 1.4 KB | 1.4 KB | 0 b | 0.00 % |
| Plain Transfer Size | 1.8 KB | 1.8 KB | 1.8 KB | 0 b | 0.00 % |
| Total Content Size | 29.0 MB | 29.0 MB | 29.0 MB | 0 b | 0.00 % |
| HTML Content Size | 235.6 KB | 235.6 KB | 235.6 KB | 0 b | 0.00 % |
| JavaScript Content Size | 4.3 MB | 4.3 MB | 4.3 MB | 0 b | 0.00 % |
| CSS Content Size | 670.6 KB | 670.6 KB | 670.6 KB | 0 b | 0.00 % |
| Image Content Size | 19.1 MB | 19.1 MB | 19.1 MB | 0 b | 0.00 % |
| Font Content Size | 292.4 KB | 292.4 KB | 292.4 KB | 0 b | 0.00 % |
| Favicon Content Size | 8.3 KB | 8.3 KB | 8.3 KB | 0 b | 0.00 % |
| JSON Content Size | 4.5 MB | 4.5 MB | 4.5 MB | 0 b | 0.00 % |
| Other Content Size | 151 B | 151 B | 151 B | 0 b | 0.00 % |
| Plain Content Size | 2 B | 2 B | 2 B | 0 b | 0.00 % |
| Third Party metrics | |||||
| Third Party Transfer Size | 557.0 KB | 557.0 KB | 557.0 KB | 0 b | 0.00 % |
| Third Party Requests | 16 | 16 | 16 | 0 | 0.00 % |
| First Party metrics | |||||
| First Party Requests | 114 | 114 | 114 | 0 | 0.00 % |
| First Party Total Transfer Size | 23.6 MB | 23.6 MB | 23.6 MB | 0 b | 0.00 % |
| First Party Total Content Size | 27.3 MB | 27.3 MB | 27.3 MB | 0 b | 0.00 % |
