Metrics per run

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

Tested 2025-07-12 05:25:10 using Firefox 140.0.1 (script).(runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 126 ms 127 ms 126 ms 127 ms 126 ms126 ms126 ms0 ms0.39 %
First Contentful Paint 881 ms 525 ms 542 ms 542 ms 491 ms542 ms596 ms144 ms24.09 %
Largest Contentful Paint 893 ms 817 ms 868 ms 828 ms 831 ms831 ms847 ms29 ms3.37 %
Interaction to Next Paint 282.64 ms NaN s NaN s NaN s NaN s283 ms283 ms0 ms0.00 %
Timing metrics
First Paint 893 ms 816 ms 847 ms 827 ms 788 ms827 ms834 ms35 ms4.20 %
First Contentful Paint 881 ms 525 ms 542 ms 542 ms 491 ms542 ms596 ms144 ms24.09 %
Largest Contentful Paint 893 ms 817 ms 868 ms 828 ms 831 ms831 ms847 ms29 ms3.37 %
Load Event End 1.909 s 1.797 s 1.541 s 1.915 s 1.885 s1.885 s1.809 s141 ms7.78 %
Server Response Time 118 ms 119 ms 119 ms 119 ms 120 ms119 ms119 ms1 ms0.53 %
TTFB 126 ms 127 ms 126 ms 127 ms 126 ms126 ms126 ms0 ms0.39 %
Page Load Time 1.908 s 1.796 s 1.540 s 1.914 s 1.885 s1.885 s1.809 s141 ms7.79 %
First Visual Change 933 ms 833 ms 900 ms 833 ms 833 ms833 ms866 ms42 ms4.87 %
Last Visual Change 2.700 s 2.533 s 2.533 s 2.567 s 2.500 s2.533 s2.567 s70 ms2.73 %
Speed Index 955 ms 855 ms 921 ms 856 ms 856 ms856 ms889 ms42 ms4.70 %
Visual Readiness 1.767 s 1.700 s 1.633 s 1.734 s 1.667 s1.700 s1.700 s47 ms2.79 %
Visual Complete 95 933 ms 833 ms 900 ms 833 ms 833 ms833 ms866 ms42 ms4.87 %
Visual Complete 99 1.433 s 1.400 s 1.466 s 1.467 s 1.500 s1.466 s1.453 s34 ms2.34 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 54 ms 76 ms 77 ms 52 ms76 ms67 ms12 ms17.29 %
Page metrics
DOM elements 21543 21543 21544 21543 21543215432154300.00 %
Document height 63202 63202 63202 63202 63202632026320200.00 %
Total Requests 90 90 90 90 90909000.00 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 2 2 2 2 22200.00 %
CSS Requests 2 2 2 2 22200.00 %
Font Requests 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0000N/A
Total Transfer Size 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB131 B0.01 %
HTML Transfer Size 295.2 KB 295.2 KB 295.2 KB 295.2 KB 295.2 KB295.2 KB295.2 KB0 b0.00 %
JavaScript Transfer Size 72.0 KB 72.0 KB 72.0 KB 72.0 KB 72.0 KB72.0 KB72.0 KB0 b0.00 %
CSS Transfer Size 24.0 KB 24.0 KB 24.0 KB 24.0 KB 24.0 KB24.0 KB24.0 KB0 b0.00 %
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 21.9 KB 21.9 KB 21.9 KB 21.9 KB 21.9 KB21.9 KB21.9 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 90 90 90 90 90909000.00 %
First Party Total Transfer Size 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB131 B0.01 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %