Metrics per run

https://en.wikipedia.org/wiki/Barack_Obama

Tested 2025-10-27 00:11:40 using Firefox 144.0 (script).(runtime settings).

Side by side

Metric1234567MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 299 ms 119 ms 439 ms 247 ms 176 ms 119 ms 119 ms176 ms217 ms112 ms51.53 %
First Contentful Paint 745 ms 457 ms 1.219 s 728 ms 711 ms 694 ms 1.050 s728 ms801 ms234 ms29.22 %
Largest Contentful Paint 1.138 s 900 ms 1.627 s 1.106 s 1.104 s 1.086 s 1.054 s1.104 s1.145 s210 ms18.30 %
Timing metrics
First Paint 1.118 s 879 ms 1.590 s 1.081 s 1.092 s 1.069 s 1.053 s1.081 s1.126 s203 ms18.02 %
First Contentful Paint 745 ms 457 ms 1.219 s 728 ms 711 ms 694 ms 1.050 s728 ms801 ms234 ms29.22 %
Largest Contentful Paint 1.138 s 900 ms 1.627 s 1.106 s 1.104 s 1.086 s 1.054 s1.104 s1.145 s210 ms18.30 %
Load Event End 1.887 s 1.337 s 2.708 s 2.180 s 1.940 s 1.938 s 1.939 s1.939 s1.990 s377 ms18.96 %
Server Response Time 292 ms 113 ms 433 ms 241 ms 169 ms 113 ms 113 ms169 ms211 ms112 ms53.04 %
TTFB 299 ms 119 ms 439 ms 247 ms 176 ms 119 ms 119 ms176 ms217 ms112 ms51.53 %
Page Load Time 1.887 s 1.336 s 2.708 s 2.179 s 1.940 s 1.937 s 1.938 s1.938 s1.989 s378 ms18.98 %
First Visual Change 1.166 s 933 ms 1.633 s 1.133 s 1.133 s 1.133 s 1.100 s1.133 s1.176 s200 ms16.99 %
Last Visual Change 3.666 s 3.133 s 4.166 s 3.633 s 3.433 s 3.033 s 3.100 s3.433 s3.452 s376 ms10.89 %
Speed Index 1.204 s 965 ms 1.675 s 1.171 s 1.167 s 1.163 s 1.131 s1.167 s1.211 s203 ms16.75 %
Visual Readiness 2.500 s 2.200 s 2.533 s 2.500 s 2.300 s 1.900 s 2.000 s2.300 s2.276 s236 ms10.37 %
Visual Complete 95 1.166 s 933 ms 1.666 s 1.133 s 1.133 s 1.133 s 1.100 s1.133 s1.181 s211 ms17.84 %
Visual Complete 99 2.533 s 2.000 s 3.000 s 2.500 s 2.333 s 2.266 s 2.266 s2.333 s2.414 s290 ms11.99 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 51 ms 77 ms 51 ms 52 ms 76 ms 77 ms76 ms66 ms13 ms19.11 %
Page metrics
DOM elements 21412 21412 21412 21413 21413 21412 21412214122141200.00 %
Document height 63233 63234 63233 63233 63234 63234 63234632346323400.00 %
Total Requests 90 90 90 87 87 87 91908921.85 %
HTML Requests 1 1 1 1 1 1 11100.00 %
JavaScript Requests 2 2 2 1 1 1 322140.82 %
CSS Requests 2 2 2 2 2 2 322016.33 %
Font Requests 0 0 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0 0 0000N/A
Total Transfer Size 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB895 B0.08 %
HTML Transfer Size 299.0 KB 299.0 KB 299.0 KB 299.0 KB 299.0 KB 299.0 KB 299.0 KB299.0 KB299.0 KB0 b0.00 %
JavaScript Transfer Size 68.0 KB 68.0 KB 68.0 KB 68.0 KB 68.0 KB 68.0 KB 69.1 KB68.0 KB68.2 KB386 B0.55 %
CSS Transfer Size 24.1 KB 24.1 KB 24.1 KB 24.1 KB 24.1 KB 24.1 KB 25.1 KB24.1 KB24.2 KB358 B1.44 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 0 b 0 b 0 b N/A N/A N/A 0 b0 b0 b0 b0.00 %
SVG Transfer Size 23.1 KB 23.1 KB 23.1 KB 23.1 KB 23.1 KB 23.1 KB 23.1 KB23.1 KB23.1 KB0 b0.00 %
Total Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
HTML Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
JavaScript Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
CSS Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Image Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Font Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Content Size 0 b 0 b 0 b N/A N/A N/A 0 b0 b0 b0 b0.00 %
SVG Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 90 90 90 87 87 87 91908921.85 %
First Party Total Transfer Size 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB895 B0.08 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %