Metrics per run

https://it.wikipedia.org/wiki/Jannik_Sinner

Tested 2025-04-27 05:25:43 using Firefox 137.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 619 ms 514 ms 496 ms 513 ms 512 ms513 ms531 ms45 ms8.40 %
First Contentful Paint 982 ms 813 ms 846 ms 813 ms 864 ms846 ms864 ms62 ms7.22 %
Largest Contentful Paint 1.578 s 1.204 s 1.459 s 1.474 s 1.492 s1.474 s1.441 s126 ms8.72 %
Timing metrics
First Paint 984 ms 886 ms 853 ms 872 ms 871 ms872 ms893 ms47 ms5.22 %
First Contentful Paint 982 ms 813 ms 846 ms 813 ms 864 ms846 ms864 ms62 ms7.22 %
Largest Contentful Paint 1.578 s 1.204 s 1.459 s 1.474 s 1.492 s1.474 s1.441 s126 ms8.72 %
Load Event End 2.151 s 1.883 s 1.844 s 1.876 s 1.821 s1.876 s1.915 s120 ms6.27 %
Server Response Time 195 ms 194 ms 195 ms 194 ms 194 ms194 ms194 ms0 ms0.25 %
TTFB 619 ms 514 ms 496 ms 513 ms 512 ms513 ms531 ms45 ms8.40 %
Page Load Time 2.151 s 1.883 s 1.843 s 1.876 s 1.821 s1.876 s1.915 s120 ms6.28 %
First Visual Change 1.033 s 966 ms 900 ms 933 ms 933 ms933 ms953 ms45 ms4.73 %
Last Visual Change 2.833 s 2.700 s 2.566 s 2.600 s 2.700 s2.700 s2.680 s93 ms3.48 %
Speed Index 1.120 s 1.019 s 985 ms 1.012 s 1.017 s1.017 s1.031 s46 ms4.50 %
Visual Readiness 1.800 s 1.734 s 1.666 s 1.667 s 1.767 s1.734 s1.727 s53 ms3.10 %
Visual Complete 95 1.633 s 1.200 s 1.500 s 1.466 s 1.500 s1.500 s1.460 s142 ms9.72 %
Visual Complete 99 1.633 s 1.566 s 1.500 s 1.466 s 1.500 s1.500 s1.533 s60 ms3.89 %
CPU metrics
Browser metrics
CPU benchmark score 51 ms 52 ms 51 ms 51 ms 51 ms51 ms51 ms0 ms0.78 %
Page metrics
DOM elements 3826 3826 3826 3827 38273826382600.01 %
Document height 12884 12884 12884 12884 12884128841288400.00 %
Total Requests 71 71 71 71 71717100.00 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 9 9 9 9 99900.00 %
CSS Requests 3 3 3 3 33300.00 %
Font Requests 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0000N/A
Total Transfer Size 554.4 KB 554.4 KB 554.4 KB 554.4 KB 554.4 KB554.4 KB554.4 KB2 B0.00 %
HTML Transfer Size 55.3 KB 55.3 KB 55.3 KB 55.3 KB 55.3 KB55.3 KB55.3 KB0 b0.00 %
JavaScript Transfer Size 283.0 KB 283.0 KB 283.0 KB 283.0 KB 283.0 KB283.0 KB283.0 KB0 b0.00 %
CSS Transfer Size 27.6 KB 27.6 KB 27.6 KB 27.6 KB 27.6 KB27.6 KB27.6 KB1 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 b0.02 %
SVG Transfer Size 27.5 KB 27.5 KB 27.5 KB 27.5 KB 27.5 KB27.5 KB27.5 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 71 71 71 71 71717100.00 %
First Party Total Transfer Size 554.4 KB 554.4 KB 554.4 KB 554.4 KB 554.4 KB554.4 KB554.4 KB2 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %