Metrics per run

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

Tested 2026-04-13 00:09:43 using Firefox 148.0.2 (script).(runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 195 ms 140 ms 159 ms 150 ms 195 ms159 ms168 ms23 ms13.71 %
First Contentful Paint 1.060 s 1.037 s 1.046 s 1.007 s 1.032 s1.037 s1.036 s18 ms1.69 %
Largest Contentful Paint 1.060 s 1.037 s 1.086 s 1.007 s 1.053 s1.053 s1.049 s26 ms2.49 %
Interaction to Next Paint 328 ms NaN s 344 ms NaN s NaN s336 ms336 ms8 ms2.38 %
Timing metrics
First Paint 1.059 s 1.036 s 1.046 s 1.006 s 1.032 s1.036 s1.036 s18 ms1.70 %
First Contentful Paint 1.060 s 1.037 s 1.046 s 1.007 s 1.032 s1.037 s1.036 s18 ms1.69 %
Largest Contentful Paint 1.060 s 1.037 s 1.086 s 1.007 s 1.053 s1.053 s1.049 s26 ms2.49 %
Load Event End 1.854 s 1.800 s 1.692 s 1.927 s 1.716 s1.800 s1.798 s87 ms4.83 %
Server Response Time 188 ms 133 ms 148 ms 143 ms 188 ms148 ms160 ms23 ms14.60 %
TTFB 195 ms 140 ms 159 ms 150 ms 195 ms159 ms168 ms23 ms13.71 %
Page Load Time 1.854 s 1.799 s 1.692 s 1.926 s 1.715 s1.799 s1.797 s87 ms4.83 %
First Visual Change 1.133 s 1.100 s 1.100 s 1.066 s 1.066 s1.100 s1.093 s25 ms2.30 %
Last Visual Change 3.333 s 2.966 s 3.333 s 2.866 s 3.200 s3.200 s3.140 s192 ms6.10 %
Speed Index 1.162 s 1.127 s 1.132 s 1.092 s 1.096 s1.127 s1.122 s26 ms2.29 %
Visual Readiness 2.200 s 1.866 s 2.233 s 1.800 s 2.134 s2.134 s2.047 s179 ms8.72 %
Visual Complete 95 1.133 s 1.100 s 1.133 s 1.066 s 1.066 s1.100 s1.100 s30 ms2.72 %
Visual Complete 99 1.866 s 1.966 s 1.800 s 1.933 s 2.000 s1.933 s1.913 s72 ms3.75 %
CPU metrics
Browser metrics
CPU benchmark score 51 ms 51 ms 79 ms 76 ms 54 ms54 ms62 ms13 ms20.22 %
Page metrics
DOM elements 22999 22999 22999 23000 23000229992299900.00 %
Document height 64795 64795 64795 64795 64795647956479500.00 %
Total Requests 93 93 93 93 93939300.00 %
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 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB305 B0.03 %
HTML Transfer Size 317.7 KB 317.7 KB 317.7 KB 317.7 KB 317.7 KB317.7 KB317.7 KB0 b0.00 %
JavaScript Transfer Size 72.9 KB 72.9 KB 72.9 KB 72.9 KB 72.9 KB72.9 KB72.9 KB0 b0.00 %
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 23.2 KB 23.2 KB 23.2 KB 23.2 KB 23.2 KB23.2 KB23.2 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 93 93 93 93 93939300.00 %
First Party Total Transfer Size 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB305 B0.03 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %