Metrics per run

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

Tested 2026-07-27 23:35:37 using Firefox 153.0 (script).(runtime settings)

Side by side

5 runs
MetricRun 1Run 2Run 3Run 4Run 5MedianMeanStddevRSD
Google Web Vitals
Time to First Byte359 ms542 ms532 ms553 ms543 ms542 ms506 ms74 ms14.57 %
Largest Contentful Paint1.630 s2.021 s1.986 s2.037 s3.118 s2.021 s2.158 s503 ms23.29 %
Timing metrics
First Paint1.607 s2.007 s1.975 s2.022 s2.003 s2.003 s1.923 s159 ms8.25 %
Largest Contentful Paint1.630 s2.021 s1.986 s2.037 s3.118 s2.021 s2.158 s503 ms23.29 %
Load Event End3.031 s3.174 s3.358 s3.172 s3.452 s3.174 s3.237 s149 ms4.61 %
Server Response Time351 ms533 ms524 ms546 ms535 ms533 ms498 ms74 ms14.81 %
TTFB359 ms542 ms532 ms553 ms543 ms542 ms506 ms74 ms14.57 %
Page Load Time3.030 s3.174 s3.358 s3.171 s3.451 s3.174 s3.237 s149 ms4.62 %
First Visual Change1.666 s2.066 s2.033 s2.066 s2.033 s2.033 s1.973 s154 ms7.81 %
Last Visual Change3.133 s3.266 s3.200 s3.266 s3.533 s3.266 s3.280 s136 ms4.15 %
Speed Index1.704 s2.089 s2.056 s2.090 s2.161 s2.089 s2.020 s162 ms8.00 %
Visual Readiness1.467 s1.200 s1.167 s1.200 s1.500 s1.200 s1.307 s145 ms11.11 %
Visual Complete 951.766 s2.066 s2.033 s2.066 s3.133 s2.066 s2.213 s474 ms21.41 %
Visual Complete 993.033 s3.166 s3.200 s3.266 s3.466 s3.200 s3.226 s142 ms4.40 %
CPU metrics
Browser metrics
CPU benchmark score56 ms79 ms77 ms78 ms52 ms77 ms68 ms12 ms17.31 %
Page metrics
DOM elements2243922438224382243722439224382243810.00 %
Document height5678056780567805678056780567805678000.00 %
Total Requests8586858585858500.47 %
HTML Requests111111100.00 %
JavaScript Requests222222200.00 %
CSS Requests2322222018.18 %
Font Requests000000000.00 %
HTTP Errors00000000N/A
Total Transfer Size1.1 MB1.1 MB1.1 MB1.1 MB1.1 MB1.1 MB1.1 MB962 B0.08 %
HTML Transfer Size407.1 KB407.2 KB407.2 KB407.2 KB407.2 KB407.2 KB407.2 KB23 B0.01 %
JavaScript Transfer Size72.1 KB72.1 KB72.1 KB72.1 KB72.1 KB72.1 KB72.1 KB22 B0.03 %
CSS Transfer Size27.5 KB28.6 KB27.5 KB27.5 KB27.5 KB27.5 KB27.7 KB466 B1.64 %
Font Transfer Size0 b0 b0 b0 b0 b0 b0 b0 b0.00 %
Favicon Transfer Size0 b0 b0 b0 b0 b0 b0 b0 b0.00 %
Plain Transfer Size993 B1.0 KB1010 B1010 B1012 B1010 B1018 B24 B2.37 %
SVG Transfer Size25.8 KB26.7 KB25.9 KB25.9 KB26.0 KB25.9 KB26.1 KB314 B1.18 %
Total Content Size0 b0 b0 b0 b0 b0 b0 b0 b0.00 %
HTML Content Size0 b0 b0 b0 b0 b0 b0 b0 b0.00 %
JavaScript Content Size0 b0 b0 b0 b0 b0 b0 b0 b0.00 %
CSS Content Size0 b0 b0 b0 b0 b0 b0 b0 b0.00 %
Image Content Size0 b0 b0 b0 b0 b0 b0 b0 b0.00 %
Font Content Size0 b0 b0 b0 b0 b0 b0 b0 b0.00 %
Favicon Content Size0 b0 b0 b0 b0 b0 b0 b0 b0.00 %
Plain Content Size0 b0 b0 b0 b0 b0 b0 b0 b0.00 %
SVG Content Size0 b0 b0 b0 b0 b0 b0 b0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests8586858585858500.47 %
First Party Total Transfer Size1.1 MB1.1 MB1.1 MB1.1 MB1.1 MB1.1 MB1.1 MB962 B0.08 %
First Party Total Content Size0 b0 b0 b0 b0 b0 b0 b0 b0.00 %