Metrics per run

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

Tested 2026-04-12 19:49:18 using Firefox 148.0.2 (script).(runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 128 ms 158 ms 192 ms 177 ms 243 ms177 ms180 ms38 ms21.29 %
First Contentful Paint 981 ms 1.009 s 965 ms 999 ms 1.103 s999 ms1.011 s48 ms4.77 %
Largest Contentful Paint 1.003 s 1.052 s 985 ms 1.019 s 1.121 s1.019 s1.036 s48 ms4.62 %
Interaction to Next Paint 272 ms 328 ms NaN s NaN s 312 ms312 ms304 ms24 ms7.75 %
Timing metrics
First Paint 981 ms 1.008 s 964 ms 999 ms 1.102 s999 ms1.011 s48 ms4.75 %
First Contentful Paint 981 ms 1.009 s 965 ms 999 ms 1.103 s999 ms1.011 s48 ms4.77 %
Largest Contentful Paint 1.003 s 1.052 s 985 ms 1.019 s 1.121 s1.019 s1.036 s48 ms4.62 %
Load Event End 1.875 s 1.945 s 2.041 s 1.718 s 1.970 s1.945 s1.910 s110 ms5.74 %
Server Response Time 121 ms 151 ms 185 ms 170 ms 236 ms170 ms173 ms38 ms22.15 %
TTFB 128 ms 158 ms 192 ms 177 ms 243 ms177 ms180 ms38 ms21.29 %
Page Load Time 1.875 s 1.945 s 2.040 s 1.718 s 1.969 s1.945 s1.909 s109 ms5.72 %
First Visual Change 1.033 s 1.033 s 1.000 s 1.033 s 1.166 s1.033 s1.053 s58 ms5.50 %
Last Visual Change 3.133 s 3.166 s 3.233 s 3.200 s 3.000 s3.166 s3.146 s80 ms2.56 %
Speed Index 1.062 s 1.063 s 1.032 s 1.064 s 1.192 s1.063 s1.083 s56 ms5.17 %
Visual Readiness 2.100 s 2.133 s 2.233 s 2.167 s 1.834 s2.133 s2.093 s137 ms6.54 %
Visual Complete 95 1.033 s 1.033 s 1.033 s 1.066 s 1.166 s1.033 s1.066 s52 ms4.83 %
Visual Complete 99 1.900 s 1.966 s 1.766 s 1.733 s 1.966 s1.900 s1.866 s99 ms5.30 %
CPU metrics
Browser metrics
CPU benchmark score 53 ms 77 ms 54 ms 76 ms 52 ms54 ms62 ms12 ms18.48 %
Page metrics
DOM elements 22999 22999 23000 22999 22999229992299900.00 %
Document height 64795 64795 64795 64795 64795647956479500.00 %
Total Requests 94 93 93 93 94939300.52 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 3 2 2 2 322020.41 %
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 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB541 B0.05 %
HTML Transfer Size 317.8 KB 317.8 KB 317.8 KB 317.8 KB 317.8 KB317.8 KB317.8 KB0 b0.00 %
JavaScript Transfer Size 73.9 KB 72.9 KB 72.9 KB 72.9 KB 73.9 KB72.9 KB73.3 KB541 B0.72 %
CSS Transfer Size 24.5 KB 24.5 KB 24.5 KB 24.5 KB 24.5 KB24.5 KB24.5 KB0 b0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Plain Transfer Size 973 B 973 B 973 B 973 B 973 B973 B973 B0 b0.00 %
SVG Transfer Size 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 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 %
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 94 93 93 93 94939300.52 %
First Party Total Transfer Size 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB541 B0.05 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %