Metrics per run

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

Tested 2026-03-04 08:29:27 using Firefox 147.0 (script).(runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 120 ms 377 ms 119 ms 123 ms 119 ms120 ms172 ms103 ms59.85 %
First Contentful Paint 861 ms 1.063 s 951 ms 833 ms 982 ms951 ms938 ms83 ms8.88 %
Largest Contentful Paint 861 ms 1.102 s 968 ms 833 ms 982 ms968 ms949 ms96 ms10.11 %
Timing metrics
First Paint 860 ms 1.063 s 950 ms 833 ms 982 ms950 ms938 ms83 ms8.90 %
First Contentful Paint 861 ms 1.063 s 951 ms 833 ms 982 ms951 ms938 ms83 ms8.88 %
Largest Contentful Paint 861 ms 1.102 s 968 ms 833 ms 982 ms968 ms949 ms96 ms10.11 %
Load Event End 1.571 s 1.776 s 1.413 s 1.681 s 1.515 s1.571 s1.591 s127 ms7.96 %
Server Response Time 113 ms 371 ms 113 ms 116 ms 113 ms113 ms165 ms103 ms62.29 %
TTFB 120 ms 377 ms 119 ms 123 ms 119 ms120 ms172 ms103 ms59.85 %
Page Load Time 1.571 s 1.776 s 1.412 s 1.681 s 1.515 s1.571 s1.591 s127 ms7.98 %
First Visual Change 900 ms 1.100 s 1.000 s 866 ms 1.033 s1.000 s980 ms86 ms8.78 %
Last Visual Change 3.333 s 3.466 s 3.166 s 3.200 s 3.433 s3.333 s3.320 s120 ms3.62 %
Speed Index 958 ms 1.160 s 1.051 s 921 ms 1.090 s1.051 s1.036 s87 ms8.40 %
Visual Readiness 2.433 s 2.366 s 2.166 s 2.334 s 2.400 s2.366 s2.340 s93 ms3.97 %
Visual Complete 95 900 ms 1.133 s 1.000 s 866 ms 1.033 s1.000 s986 ms96 ms9.70 %
Visual Complete 99 2.200 s 2.366 s 2.000 s 2.066 s 2.266 s2.200 s2.180 s133 ms6.08 %
CPU metrics
Browser metrics
CPU benchmark score 81 ms 78 ms 78 ms 54 ms 54 ms78 ms69 ms12 ms17.82 %
Page metrics
DOM elements 23008 23008 23007 23007 23007230072300700.00 %
Document height 63827 63893 63827 63763 637636382763815490.08 %
Total Requests 50 56 49 49 49495135.39 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 3 3 2 3 333014.29 %
CSS Requests 2 3 2 2 222018.18 %
Font Requests 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0000N/A
Total Transfer Size 734.4 KB 827.2 KB 734.4 KB 714.7 KB 714.7 KB734.4 KB745.1 KB42.0 KB5.64 %
HTML Transfer Size 315.7 KB 315.7 KB 315.7 KB 315.7 KB 315.7 KB315.7 KB315.7 KB0 b0.00 %
JavaScript Transfer Size 72.7 KB 72.7 KB 72.7 KB 72.7 KB 72.7 KB72.7 KB72.7 KB1 B0.00 %
CSS Transfer Size 24.5 KB 25.5 KB 24.5 KB 24.5 KB 24.5 KB24.5 KB24.7 KB410 B1.62 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
SVG Transfer Size 18.5 KB 18.5 KB 18.5 KB 18.5 KB 18.5 KB18.5 KB18.5 KB0 b0.00 %
Total Content Size 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 b0 b0 b0 b0.00 %
JavaScript Content Size 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 b0 b0 b0 b0.00 %
Image Content Size 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 b0 b0 b0 b0.00 %
Favicon Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
SVG Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 50 56 49 49 49495135.39 %
First Party Total Transfer Size 734.4 KB 827.2 KB 734.4 KB 714.7 KB 714.7 KB734.4 KB745.1 KB42.0 KB5.64 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %