Metrics per run

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

Tested 2025-04-27 04:46:40 using Firefox 137.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 498 ms 513 ms 515 ms 496 ms 513 ms513 ms507 ms8 ms1.62 %
First Contentful Paint 1.592 s 1.575 s 1.355 s 1.304 s 1.610 s1.575 s1.487 s130 ms8.76 %
Largest Contentful Paint 2.017 s 2.221 s 2.237 s 2.279 s 2.253 s2.237 s2.201 s94 ms4.28 %
Interaction to Next Paint 260.92 ms 250.36 ms 257 ms 263.94 ms 260.22 ms260 ms258 ms5 ms1.79 %
Timing metrics
First Paint 1.598 s 1.578 s 1.598 s 1.556 s 1.620 s1.598 s1.590 s22 ms1.36 %
First Contentful Paint 1.592 s 1.575 s 1.355 s 1.304 s 1.610 s1.575 s1.487 s130 ms8.76 %
Largest Contentful Paint 2.017 s 2.221 s 2.237 s 2.279 s 2.253 s2.237 s2.201 s94 ms4.28 %
Load Event End 2.213 s 2.239 s 2.264 s 3.081 s 2.266 s2.264 s2.413 s335 ms13.88 %
Server Response Time 194 ms 194 ms 194 ms 194 ms 195 ms194 ms194 ms0 ms0.21 %
TTFB 498 ms 513 ms 515 ms 496 ms 513 ms513 ms507 ms8 ms1.62 %
Page Load Time 2.213 s 2.239 s 2.264 s 3.081 s 2.265 s2.264 s2.412 s335 ms13.88 %
First Visual Change 1.666 s 1.633 s 1.666 s 1.633 s 1.666 s1.666 s1.653 s16 ms0.98 %
Last Visual Change 4.166 s 4.000 s 4.233 s 4.433 s 3.966 s4.166 s4.160 s169 ms4.07 %
Speed Index 1.731 s 1.720 s 1.751 s 1.727 s 1.755 s1.731 s1.737 s14 ms0.79 %
Visual Readiness 2.500 s 2.367 s 2.567 s 2.800 s 2.300 s2.500 s2.507 s174 ms6.95 %
Visual Complete 95 2.033 s 2.233 s 2.266 s 2.300 s 2.266 s2.266 s2.220 s96 ms4.31 %
Visual Complete 99 3.033 s 3.066 s 3.100 s 3.100 s 3.066 s3.066 s3.073 s25 ms0.82 %
CPU metrics
Browser metrics
CPU benchmark score 51 ms 52 ms 51 ms 52 ms 51 ms51 ms51 ms0 ms0.95 %
Page metrics
DOM elements 21461 21461 21461 21461 21461214612146100.00 %
Document height 62251 62251 62251 62251 62251622516225100.00 %
Total Requests 96 96 96 96 96969600.00 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 7 7 7 7 77700.00 %
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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB8 B0.00 %
HTML Transfer Size 294.9 KB 294.9 KB 294.9 KB 294.9 KB 294.9 KB294.9 KB294.9 KB0 b0.00 %
JavaScript Transfer Size 286.9 KB 286.9 KB 286.9 KB 286.9 KB 286.9 KB286.9 KB286.9 KB8 B0.00 %
CSS Transfer Size 26.8 KB 26.8 KB 26.8 KB 26.8 KB 26.8 KB26.8 KB26.8 KB0 b0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.9 KB 1.9 KB 1.9 KB 1.9 KB 1.9 KB1.9 KB1.9 KB0 b0.00 %
SVG Transfer Size 33.4 KB 33.4 KB 33.4 KB 33.4 KB 33.4 KB33.4 KB33.4 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 %
Favicon 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 96 96 96 96 96969600.00 %
First Party Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB8 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %