https://xelta.ai/blogs/best-free-ai-image-generator-in-2026
Tested 2026-09-12 20:36:15 using Chrome 150.0.7871.46 (runtime settings)
| Metric | Run 1 | Median | Mean | Stddev | RSD |
|---|---|---|---|---|---|
| Google Web Vitals | |||||
| Time to First Byte | 19 ms | 19 ms | 19 ms | 0 ms | 0.00 % |
| Largest Contentful Paint | 868 ms | 868 ms | 868 ms | 0 ms | 0.00 % |
| Total Blocking Time | 527 ms | 527 ms | 527 ms | 0 ms | 0.00 % |
| Cumulative Layout Shift | 0 | 0 | 0 | 0 | 0.00 % |
| Timing metrics | |||||
| First Paint | 760 ms | 760 ms | 760 ms | 0 ms | 0.00 % |
| Largest Contentful Paint | 868 ms | 868 ms | 868 ms | 0 ms | 0.00 % |
| Load Event End | 892 ms | 892 ms | 892 ms | 0 ms | 0.00 % |
| Server Response Time | 104 ms | 104 ms | 104 ms | 0 ms | 0.00 % |
| TTFB | 19 ms | 19 ms | 19 ms | 0 ms | 0.00 % |
| Page Load Time | 892 ms | 892 ms | 892 ms | 0 ms | 0.00 % |
| First Visual Change | 967 ms | 967 ms | 967 ms | 0 ms | 0.00 % |
| Last Visual Change | 11.167 s | 11.167 s | 11.167 s | 0 ms | 0.00 % |
| Speed Index | 5.776 s | 5.776 s | 5.776 s | 0 ms | 0.00 % |
| Visual Readiness | 10.200 s | 10.200 s | 10.200 s | 0 ms | 0.00 % |
| Visual Complete 95 | 10.533 s | 10.533 s | 10.533 s | 0 ms | 0.00 % |
| Visual Complete 99 | 11.133 s | 11.133 s | 11.133 s | 0 ms | 0.00 % |
| CPU metrics | |||||
| Total Blocking Time | 527 ms | 527 ms | 527 ms | 0 ms | 0.00 % |
| Max Potential FID | 227 ms | 227 ms | 227 ms | 0 ms | 0.00 % |
| Number of Long Tasks | 8 | 8 | 8 | 0 | 0.00 % |
| Total Duration of Long Tasks | 1.014 s | 1.014 s | 1.014 s | 0 ms | 0.00 % |
| Browser metrics | |||||
| CPU benchmark score | 60 ms | 60 ms | 60 ms | 0 ms | 0.00 % |
| Page metrics | |||||
| Cumulative Layout Shift | 0 | 0 | 0 | 0 | 0.00 % |
| DOM elements | 2014 | 2014 | 2014 | 0 | 0.00 % |
| Document height | 5182 | 5182 | 5182 | 0 | 0.00 % |
| Total Requests | 182 | 182 | 182 | 0 | 0.00 % |
| HTML Requests | 2 | 2 | 2 | 0 | 0.00 % |
| JavaScript Requests | 59 | 59 | 59 | 0 | 0.00 % |
| CSS Requests | 4 | 4 | 4 | 0 | 0.00 % |
| Font Requests | 9 | 9 | 9 | 0 | 0.00 % |
| HTTP Errors | 401: 3 | 0 | 0 | 0 | N/A |
| Total Transfer Size | 15.1 MB | 15.1 MB | 15.1 MB | 0 b | 0.00 % |
| HTML Transfer Size | 185.5 KB | 185.5 KB | 185.5 KB | 0 b | 0.00 % |
| JavaScript Transfer Size | 1.5 MB | 1.5 MB | 1.5 MB | 0 b | 0.00 % |
| CSS Transfer Size | 93.0 KB | 93.0 KB | 93.0 KB | 0 b | 0.00 % |
| Font Transfer Size | 235.3 KB | 235.3 KB | 235.3 KB | 0 b | 0.00 % |
| Favicon Transfer Size | 9.3 KB | 9.3 KB | 9.3 KB | 0 b | 0.00 % |
| JSON Transfer Size | 419.9 KB | 419.9 KB | 419.9 KB | 0 b | 0.00 % |
| Other Transfer Size | 29.2 KB | 29.2 KB | 29.2 KB | 0 b | 0.00 % |
| Plain Transfer Size | 2.5 KB | 2.5 KB | 2.5 KB | 0 b | 0.00 % |
| SVG Transfer Size | 0 b | 0 b | 0 b | 0 b | 0.00 % |
| Total Content Size | 22.0 MB | 22.0 MB | 22.0 MB | 0 b | 0.00 % |
| HTML Content Size | 1.2 MB | 1.2 MB | 1.2 MB | 0 b | 0.00 % |
| JavaScript Content Size | 4.9 MB | 4.9 MB | 4.9 MB | 0 b | 0.00 % |
| CSS Content Size | 673.4 KB | 673.4 KB | 673.4 KB | 0 b | 0.00 % |
| Image Content Size | 5.0 MB | 5.0 MB | 5.0 MB | 0 b | 0.00 % |
| Font Content Size | 225.6 KB | 225.6 KB | 225.6 KB | 0 b | 0.00 % |
| Favicon Content Size | 8.3 KB | 8.3 KB | 8.3 KB | 0 b | 0.00 % |
| JSON Content Size | 435.6 KB | 435.6 KB | 435.6 KB | 0 b | 0.00 % |
| Other Content Size | 57.9 KB | 57.9 KB | 57.9 KB | 0 b | 0.00 % |
| Plain Content Size | 2 B | 2 B | 2 B | 0 b | 0.00 % |
| SVG Content Size | 1.1 MB | 1.1 MB | 1.1 MB | 0 b | 0.00 % |
| Third Party metrics | |||||
| Third Party Transfer Size | 792.8 KB | 792.8 KB | 792.8 KB | 0 b | 0.00 % |
| Third Party Requests | 29 | 29 | 29 | 0 | 0.00 % |
| First Party metrics | |||||
| First Party Requests | 153 | 153 | 153 | 0 | 0.00 % |
| First Party Total Transfer Size | 14.4 MB | 14.4 MB | 14.4 MB | 0 b | 0.00 % |
| First Party Total Content Size | 19.5 MB | 19.5 MB | 19.5 MB | 0 b | 0.00 % |
