https://xelta.ai/models/image_generation/stable-image-fast-upscale-workflow
Tested 2026-09-21 06:28:13 using Chrome 150.0.7871.46 (runtime settings)
| Metric | Run 1 | Median | Mean | Stddev | RSD |
|---|---|---|---|---|---|
| Google Web Vitals | |||||
| Time to First Byte | 1.096 s | 1.096 s | 1.096 s | 0 ms | 0.00 % |
| Largest Contentful Paint | 2.372 s | 2.372 s | 2.372 s | 0 ms | 0.00 % |
| Total Blocking Time | 537 ms | 537 ms | 537 ms | 0 ms | 0.00 % |
| Cumulative Layout Shift | 0.011 | 0.011 | 0.011 | 0 | 0.00 % |
| Timing metrics | |||||
| First Paint | 1.348 s | 1.348 s | 1.348 s | 0 ms | 0.00 % |
| Largest Contentful Paint | 2.372 s | 2.372 s | 2.372 s | 0 ms | 0.00 % |
| Load Event End | 1.448 s | 1.448 s | 1.448 s | 0 ms | 0.00 % |
| Server Response Time | 785 ms | 785 ms | 785 ms | 0 ms | 0.00 % |
| TTFB | 1.096 s | 1.096 s | 1.096 s | 0 ms | 0.00 % |
| Page Load Time | 1.448 s | 1.448 s | 1.448 s | 0 ms | 0.00 % |
| First Visual Change | 1.340 s | 1.340 s | 1.340 s | 0 ms | 0.00 % |
| Last Visual Change | 6.134 s | 6.134 s | 6.134 s | 0 ms | 0.00 % |
| Speed Index | 2.100 s | 2.100 s | 2.100 s | 0 ms | 0.00 % |
| Visual Readiness | 4.794 s | 4.794 s | 4.794 s | 0 ms | 0.00 % |
| Visual Complete 95 | 2.547 s | 2.547 s | 2.547 s | 0 ms | 0.00 % |
| Visual Complete 99 | 6.100 s | 6.100 s | 6.100 s | 0 ms | 0.00 % |
| CPU metrics | |||||
| Total Blocking Time | 537 ms | 537 ms | 537 ms | 0 ms | 0.00 % |
| Max Potential FID | 247 ms | 247 ms | 247 ms | 0 ms | 0.00 % |
| Number of Long Tasks | 9 | 9 | 9 | 0 | 0.00 % |
| Total Duration of Long Tasks | 1.010 s | 1.010 s | 1.010 s | 0 ms | 0.00 % |
| Browser metrics | |||||
| CPU benchmark score | 39 ms | 39 ms | 39 ms | 0 ms | 0.00 % |
| Page metrics | |||||
| Cumulative Layout Shift | 0.011 | 0.011 | 0.011 | 0 | 0.00 % |
| DOM elements | 2052 | 2052 | 2052 | 0 | 0.00 % |
| Document height | 3543 | 3543 | 3543 | 0 | 0.00 % |
| Total Requests | 133 | 133 | 133 | 0 | 0.00 % |
| HTML Requests | 1 | 1 | 1 | 0 | 0.00 % |
| JavaScript Requests | 61 | 61 | 61 | 0 | 0.00 % |
| CSS Requests | 3 | 3 | 3 | 0 | 0.00 % |
| Font Requests | 5 | 5 | 5 | 0 | 0.00 % |
| HTTP Errors | 503: 1 | 0 | 0 | 0 | N/A |
| Total Transfer Size | 5.7 MB | 5.7 MB | 5.7 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 | 95.6 KB | 95.6 KB | 95.6 KB | 0 b | 0.00 % |
| Font Transfer Size | 139.6 KB | 139.6 KB | 139.6 KB | 0 b | 0.00 % |
| Favicon Transfer Size | 9.6 KB | 9.6 KB | 9.6 KB | 0 b | 0.00 % |
| JSON Transfer Size | 23.4 KB | 23.4 KB | 23.4 KB | 0 b | 0.00 % |
| Other Transfer Size | 722 B | 722 B | 722 B | 0 b | 0.00 % |
| Plain Transfer Size | 1.4 KB | 1.4 KB | 1.4 KB | 0 b | 0.00 % |
| Total Content Size | 9.7 MB | 9.7 MB | 9.7 MB | 0 b | 0.00 % |
| HTML Content Size | 219.0 KB | 219.0 KB | 219.0 KB | 0 b | 0.00 % |
| JavaScript Content Size | 4.8 MB | 4.8 MB | 4.8 MB | 0 b | 0.00 % |
| CSS Content Size | 691.3 KB | 691.3 KB | 691.3 KB | 0 b | 0.00 % |
| Image Content Size | 3.8 MB | 3.8 MB | 3.8 MB | 0 b | 0.00 % |
| Font Content Size | 134.9 KB | 134.9 KB | 134.9 KB | 0 b | 0.00 % |
| Favicon Content Size | 8.3 KB | 8.3 KB | 8.3 KB | 0 b | 0.00 % |
| JSON Content Size | 26.3 KB | 26.3 KB | 26.3 KB | 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 | 760.7 KB | 760.7 KB | 760.7 KB | 0 b | 0.00 % |
| Third Party Requests | 16 | 16 | 16 | 0 | 0.00 % |
| First Party metrics | |||||
| First Party Requests | 117 | 117 | 117 | 0 | 0.00 % |
| First Party Total Transfer Size | 4.9 MB | 4.9 MB | 4.9 MB | 0 b | 0.00 % |
| First Party Total Content Size | 7.3 MB | 7.3 MB | 7.3 MB | 0 b | 0.00 % |
