https://stf.xelta.ai/models/image_generation/gpt-image-1-5-workflow
Tested 2026-09-14 11:01:21 using Chrome 150.0.7871.46 (runtime settings)
| Metric | Run 1 | Median | Mean | Stddev | RSD |
|---|---|---|---|---|---|
| Google Web Vitals | |||||
| Time to First Byte | 355 ms | 355 ms | 355 ms | 0 ms | 0.00 % |
| Largest Contentful Paint | 1.512 s | 1.512 s | 1.512 s | 0 ms | 0.00 % |
| Total Blocking Time | 574 ms | 574 ms | 574 ms | 0 ms | 0.00 % |
| Cumulative Layout Shift | 0 | 0 | 0 | 0 | 0.00 % |
| Timing metrics | |||||
| First Paint | 848 ms | 848 ms | 848 ms | 0 ms | 0.00 % |
| Largest Contentful Paint | 1.512 s | 1.512 s | 1.512 s | 0 ms | 0.00 % |
| Load Event End | 918 ms | 918 ms | 918 ms | 0 ms | 0.00 % |
| Server Response Time | 63 ms | 63 ms | 63 ms | 0 ms | 0.00 % |
| TTFB | 355 ms | 355 ms | 355 ms | 0 ms | 0.00 % |
| Page Load Time | 918 ms | 918 ms | 918 ms | 0 ms | 0.00 % |
| First Visual Change | 833 ms | 833 ms | 833 ms | 0 ms | 0.00 % |
| Last Visual Change | 4.633 s | 4.633 s | 4.633 s | 0 ms | 0.00 % |
| Speed Index | 1.412 s | 1.412 s | 1.412 s | 0 ms | 0.00 % |
| Visual Readiness | 3.800 s | 3.800 s | 3.800 s | 0 ms | 0.00 % |
| Visual Complete 95 | 1.533 s | 1.533 s | 1.533 s | 0 ms | 0.00 % |
| Visual Complete 99 | 1.700 s | 1.700 s | 1.700 s | 0 ms | 0.00 % |
| CPU metrics | |||||
| Total Blocking Time | 574 ms | 574 ms | 574 ms | 0 ms | 0.00 % |
| Max Potential FID | 248 ms | 248 ms | 248 ms | 0 ms | 0.00 % |
| Number of Long Tasks | 12 | 12 | 12 | 0 | 0.00 % |
| Total Duration of Long Tasks | 1.275 s | 1.275 s | 1.275 s | 0 ms | 0.00 % |
| Browser metrics | |||||
| CPU benchmark score | 36 ms | 36 ms | 36 ms | 0 ms | 0.00 % |
| Page metrics | |||||
| Cumulative Layout Shift | 0 | 0 | 0 | 0 | 0.00 % |
| DOM elements | 1403 | 1403 | 1403 | 0 | 0.00 % |
| Document height | 690 | 690 | 690 | 0 | 0.00 % |
| Total Requests | 190 | 190 | 190 | 0 | 0.00 % |
| HTML Requests | 1 | 1 | 1 | 0 | 0.00 % |
| JavaScript Requests | 55 | 55 | 55 | 0 | 0.00 % |
| CSS Requests | 2 | 2 | 2 | 0 | 0.00 % |
| Font Requests | 11 | 11 | 11 | 0 | 0.00 % |
| HTTP Errors | 401: 2 404: 6 | 0 | 0 | 0 | N/A |
| Total Transfer Size | 2.3 MB | 2.3 MB | 2.3 MB | 0 b | 0.00 % |
| HTML Transfer Size | 29.4 KB | 29.4 KB | 29.4 KB | 0 b | 0.00 % |
| JavaScript Transfer Size | 1.5 MB | 1.5 MB | 1.5 MB | 0 b | 0.00 % |
| CSS Transfer Size | 90.0 KB | 90.0 KB | 90.0 KB | 0 b | 0.00 % |
| Font Transfer Size | 309.1 KB | 309.1 KB | 309.1 KB | 0 b | 0.00 % |
| Favicon Transfer Size | 9.6 KB | 9.6 KB | 9.6 KB | 0 b | 0.00 % |
| JSON Transfer Size | 9.2 KB | 9.2 KB | 9.2 KB | 0 b | 0.00 % |
| Other Transfer Size | 148.4 KB | 148.4 KB | 148.4 KB | 0 b | 0.00 % |
| Plain Transfer Size | 1.4 KB | 1.4 KB | 1.4 KB | 0 b | 0.00 % |
| Total Content Size | 6.3 MB | 6.3 MB | 6.3 MB | 0 b | 0.00 % |
| HTML Content Size | 211.9 KB | 211.9 KB | 211.9 KB | 0 b | 0.00 % |
| JavaScript Content Size | 4.9 MB | 4.9 MB | 4.9 MB | 0 b | 0.00 % |
| CSS Content Size | 671.2 KB | 671.2 KB | 671.2 KB | 0 b | 0.00 % |
| Image Content Size | 132.7 KB | 132.7 KB | 132.7 KB | 0 b | 0.00 % |
| Font Content Size | 304.1 KB | 304.1 KB | 304.1 KB | 0 b | 0.00 % |
| Favicon Content Size | 8.3 KB | 8.3 KB | 8.3 KB | 0 b | 0.00 % |
| JSON Content Size | 2.8 KB | 2.8 KB | 2.8 KB | 0 b | 0.00 % |
| Other Content Size | 141.3 KB | 141.3 KB | 141.3 KB | 0 b | 0.00 % |
| Plain Content Size | 2 B | 2 B | 2 B | 0 b | 0.00 % |
| Third Party metrics | |||||
| Third Party Transfer Size | 747.5 KB | 747.5 KB | 747.5 KB | 0 b | 0.00 % |
| Third Party Requests | 16 | 16 | 16 | 0 | 0.00 % |
| First Party metrics | |||||
| First Party Requests | 174 | 174 | 174 | 0 | 0.00 % |
| First Party Total Transfer Size | 1.5 MB | 1.5 MB | 1.5 MB | 0 b | 0.00 % |
| First Party Total Content Size | 4.0 MB | 4.0 MB | 4.0 MB | 0 b | 0.00 % |
