Metrics per run

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

Tested 2026-06-23 23:28:45 using Firefox 151.0.3 (script).(runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 177 ms 112 ms 112 ms 113 ms 117 ms113 ms126 ms25 ms20.18 %
Largest Contentful Paint 1.086 s 986 ms 986 ms 970 ms 1.034 s986 ms1.012 s43 ms4.21 %
Timing metrics
First Paint 1.069 s 970 ms 970 ms 953 ms 991 ms970 ms991 ms41 ms4.14 %
Largest Contentful Paint 1.086 s 986 ms 986 ms 970 ms 1.034 s986 ms1.012 s43 ms4.21 %
Load Event End 1.757 s 1.758 s 1.690 s 1.737 s 1.708 s1.737 s1.730 s27 ms1.56 %
Server Response Time 169 ms 103 ms 104 ms 104 ms 110 ms104 ms118 ms26 ms21.71 %
TTFB 177 ms 112 ms 112 ms 113 ms 117 ms113 ms126 ms25 ms20.18 %
Page Load Time 1.757 s 1.758 s 1.690 s 1.736 s 1.708 s1.736 s1.730 s27 ms1.56 %
First Visual Change 1.133 s 1.033 s 1.033 s 1.000 s 1.033 s1.033 s1.046 s45 ms4.31 %
Last Visual Change 3.000 s 2.833 s 2.933 s 2.933 s 2.933 s2.933 s2.926 s53 ms1.83 %
Speed Index 1.244 s 1.132 s 1.151 s 1.122 s 1.154 s1.151 s1.161 s43 ms3.74 %
Visual Readiness 1.867 s 1.800 s 1.900 s 1.933 s 1.900 s1.900 s1.880 s45 ms2.40 %
Visual Complete 95 1.866 s 1.666 s 1.800 s 1.800 s 1.800 s1.800 s1.786 s65 ms3.66 %
Visual Complete 99 1.866 s 1.666 s 1.800 s 1.800 s 1.800 s1.800 s1.786 s65 ms3.66 %
CPU metrics
Browser metrics
CPU benchmark score 52 ms 80 ms 77 ms 52 ms 77 ms77 ms68 ms13 ms18.91 %
Page metrics
DOM elements 21229 21230 21229 21229 21229212292122900.00 %
Document height 56845 56845 56845 56845 56845568455684500.00 %
Total Requests 88 88 87 87 87878700.56 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 3 4 3 3 333012.50 %
CSS Requests 3 2 2 2 222018.18 %
Font Requests 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0000N/A
Total Transfer Size 1001.8 KB 1001.1 KB 999.9 KB 998.6 KB 999.9 KB999.9 KB1000.3 KB1.1 KB0.11 %
HTML Transfer Size 292.8 KB 292.8 KB 292.8 KB 292.7 KB 292.8 KB292.8 KB292.8 KB30 B0.01 %
JavaScript Transfer Size 76.2 KB 77.3 KB 76.2 KB 76.1 KB 76.2 KB76.2 KB76.4 KB478 B0.61 %
CSS Transfer Size 26.8 KB 25.8 KB 25.8 KB 25.7 KB 25.8 KB25.8 KB26.0 KB448 B1.69 %
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 %
Plain Transfer Size 1.0 KB 1.0 KB 1.0 KB 969 B 1.0 KB1.0 KB1.0 KB31 B3.04 %
SVG Transfer Size 26.5 KB 26.5 KB 26.5 KB 25.5 KB 26.5 KB26.5 KB26.3 KB417 B1.55 %
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 %
Plain 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 88 88 87 87 87878700.56 %
First Party Total Transfer Size 1001.8 KB 1001.1 KB 999.9 KB 998.6 KB 999.9 KB999.9 KB1000.3 KB1.1 KB0.11 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %