Metrics per run

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

Tested 2026-03-27 05:17:23 using Firefox 148.0.2 (script).(runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 211 ms 153 ms 161 ms 191 ms 192 ms191 ms182 ms21 ms11.82 %
First Contentful Paint 1.073 s 1.010 s 1.060 s 931 ms 948 ms1.010 s1.004 s57 ms5.70 %
Largest Contentful Paint 1.087 s 1.051 s 1.060 s 951 ms 968 ms1.051 s1.023 s54 ms5.25 %
Interaction to Next Paint 328 ms NaN s NaN s NaN s NaN s328 ms328 ms0 ms0.00 %
Timing metrics
First Paint 1.072 s 1.009 s 1.059 s 930 ms 947 ms1.009 s1.003 s57 ms5.71 %
First Contentful Paint 1.073 s 1.010 s 1.060 s 931 ms 948 ms1.010 s1.004 s57 ms5.70 %
Largest Contentful Paint 1.087 s 1.051 s 1.060 s 951 ms 968 ms1.051 s1.023 s54 ms5.25 %
Load Event End 1.812 s 1.822 s 1.787 s 1.751 s 1.844 s1.812 s1.803 s32 ms1.77 %
Server Response Time 203 ms 146 ms 154 ms 184 ms 185 ms184 ms174 ms21 ms12.15 %
TTFB 211 ms 153 ms 161 ms 191 ms 192 ms191 ms182 ms21 ms11.82 %
Page Load Time 1.812 s 1.822 s 1.787 s 1.751 s 1.844 s1.812 s1.803 s32 ms1.77 %
First Visual Change 1.133 s 1.033 s 1.100 s 966 ms 1.000 s1.033 s1.046 s62 ms5.92 %
Last Visual Change 3.300 s 3.266 s 3.300 s 3.166 s 2.966 s3.266 s3.200 s127 ms3.96 %
Speed Index 1.174 s 1.066 s 1.137 s 1.001 s 1.033 s1.066 s1.082 s64 ms5.95 %
Visual Readiness 2.167 s 2.233 s 2.200 s 2.200 s 1.966 s2.200 s2.153 s96 ms4.45 %
Visual Complete 95 1.133 s 1.033 s 1.100 s 966 ms 1.000 s1.033 s1.046 s62 ms5.92 %
Visual Complete 99 2.133 s 1.833 s 2.100 s 1.700 s 1.833 s1.833 s1.920 s168 ms8.76 %
CPU metrics
Browser metrics
CPU benchmark score 76 ms 80 ms 51 ms 76 ms 51 ms76 ms67 ms13 ms19.44 %
Page metrics
DOM elements 23096 23096 23095 23095 23095230952309500.00 %
Document height 64769 64769 64769 64769 64769647696476900.00 %
Total Requests 92 92 92 92 92929200.00 %
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 MB1 B0.00 %
HTML Transfer Size 318.4 KB 318.4 KB 318.4 KB 318.4 KB 318.4 KB318.4 KB318.4 KB0 b0.00 %
JavaScript Transfer Size 72.7 KB 72.7 KB 72.7 KB 72.7 KB 72.7 KB72.7 KB72.7 KB0 b0.00 %
CSS Transfer Size 24.7 KB 24.7 KB 24.7 KB 24.7 KB 24.7 KB24.7 KB24.7 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 23.4 KB 23.4 KB 23.4 KB 23.4 KB 23.4 KB23.4 KB23.4 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 92 92 92 92 92929200.00 %
First Party Total Transfer Size 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB1 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %