Metrics per run

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

Tested 2026-06-23 19:39:59 using Firefox 151.0.3 (script).(runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 113 ms 168 ms 228 ms 152 ms 111 ms152 ms154 ms43 ms27.79 %
Largest Contentful Paint 986 ms 1.036 s 1.087 s 1.021 s 1.021 s1.021 s1.030 s33 ms3.18 %
Timing metrics
First Paint 985 ms 1.020 s 1.067 s 1.006 s 1.006 s1.006 s1.017 s27 ms2.70 %
Largest Contentful Paint 986 ms 1.036 s 1.087 s 1.021 s 1.021 s1.021 s1.030 s33 ms3.18 %
Load Event End 1.745 s 1.813 s 1.823 s 1.812 s 1.722 s1.812 s1.783 s41 ms2.31 %
Server Response Time 104 ms 160 ms 221 ms 145 ms 104 ms145 ms147 ms43 ms29.45 %
TTFB 113 ms 168 ms 228 ms 152 ms 111 ms152 ms154 ms43 ms27.79 %
Page Load Time 1.745 s 1.813 s 1.823 s 1.811 s 1.722 s1.811 s1.783 s41 ms2.31 %
First Visual Change 1.033 s 1.066 s 1.100 s 1.066 s 1.066 s1.066 s1.066 s21 ms1.99 %
Last Visual Change 2.900 s 3.000 s 3.000 s 2.966 s 2.900 s2.966 s2.953 s45 ms1.53 %
Speed Index 1.147 s 1.184 s 1.214 s 1.182 s 1.170 s1.182 s1.179 s22 ms1.84 %
Visual Readiness 1.867 s 1.934 s 1.900 s 1.900 s 1.834 s1.900 s1.887 s34 ms1.80 %
Visual Complete 95 1.766 s 1.833 s 1.833 s 1.833 s 1.733 s1.833 s1.800 s42 ms2.35 %
Visual Complete 99 1.766 s 1.833 s 1.833 s 1.833 s 1.733 s1.833 s1.800 s42 ms2.35 %
CPU metrics
Browser metrics
CPU benchmark score 78 ms 56 ms 54 ms 79 ms 52 ms56 ms64 ms12 ms18.92 %
Page metrics
DOM elements 21229 21229 21229 21229 21229212292122900.00 %
Document height 56845 56845 56845 56845 56845568455684500.00 %
Total Requests 88 87 87 87 88878700.56 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 3 3 3 3 433012.50 %
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 1009.1 KB 1009.4 KB 1008.1 KB 1008.1 KB 1010.6 KB1009.1 KB1009.1 KB930 B0.09 %
HTML Transfer Size 292.7 KB 292.8 KB 292.7 KB 292.7 KB 292.8 KB292.7 KB292.7 KB36 B0.01 %
JavaScript Transfer Size 76.1 KB 76.1 KB 76.1 KB 76.1 KB 77.3 KB76.1 KB76.3 KB494 B0.63 %
CSS Transfer Size 26.7 KB 25.8 KB 25.7 KB 25.7 KB 25.8 KB25.8 KB25.9 KB397 B1.50 %
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 973 B 1.0 KB 973 B 973 B 1.0 KB973 B1002 B36 B3.57 %
SVG Transfer Size 25.5 KB 26.5 KB 25.5 KB 25.5 KB 26.5 KB25.5 KB25.9 KB501 B1.89 %
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 87 87 87 88878700.56 %
First Party Total Transfer Size 1009.1 KB 1009.4 KB 1008.1 KB 1008.1 KB 1010.6 KB1009.1 KB1009.1 KB930 B0.09 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %