Metrics per run

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

Tested 2025-12-27 21:35:01 using Firefox 146.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 588 ms 516 ms 439 ms 516 ms 515 ms516 ms515 ms47 ms9.16 %
First Contentful Paint 935 ms 883 ms 837 ms 869 ms 869 ms869 ms879 ms32 ms3.64 %
Largest Contentful Paint 1.644 s 1.640 s 1.441 s 1.612 s 1.238 s1.612 s1.515 s157 ms10.39 %
Timing metrics
First Paint 935 ms 883 ms 836 ms 868 ms 869 ms869 ms878 ms32 ms3.68 %
First Contentful Paint 935 ms 883 ms 837 ms 869 ms 869 ms869 ms879 ms32 ms3.64 %
Largest Contentful Paint 1.644 s 1.640 s 1.441 s 1.612 s 1.238 s1.612 s1.515 s157 ms10.39 %
Load Event End 1.794 s 1.650 s 1.656 s 1.660 s 1.649 s1.656 s1.682 s56 ms3.34 %
Server Response Time 195 ms 195 ms 120 ms 194 ms 194 ms194 ms180 ms30 ms16.59 %
TTFB 588 ms 516 ms 439 ms 516 ms 515 ms516 ms515 ms47 ms9.16 %
Page Load Time 1.794 s 1.649 s 1.656 s 1.659 s 1.649 s1.656 s1.681 s56 ms3.36 %
First Visual Change 1.000 s 933 ms 900 ms 900 ms 933 ms933 ms933 ms37 ms3.91 %
Last Visual Change 2.833 s 2.800 s 2.800 s 2.833 s 2.733 s2.800 s2.800 s37 ms1.30 %
Speed Index 1.071 s 1.008 s 965 ms 969 ms 978 ms978 ms998 ms39 ms3.95 %
Visual Readiness 1.833 s 1.867 s 1.900 s 1.933 s 1.800 s1.867 s1.867 s47 ms2.52 %
Visual Complete 95 1.667 s 1.667 s 1.467 s 1.500 s 1.233 s1.500 s1.507 s160 ms10.62 %
Visual Complete 99 1.667 s 1.667 s 1.533 s 1.733 s 1.533 s1.667 s1.627 s80 ms4.93 %
CPU metrics
Browser metrics
CPU benchmark score 76 ms 76 ms 76 ms 78 ms 77 ms76 ms77 ms1 ms1.04 %
Page metrics
DOM elements 5179 5179 5179 5178 51795179517900.01 %
Document height 15600 15600 15600 15600 15600156001560000.00 %
Total Requests 69 69 69 69 69696900.00 %
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 606.5 KB 606.5 KB 609.0 KB 606.5 KB 606.5 KB606.5 KB607.0 KB1.0 KB0.17 %
HTML Transfer Size 83.0 KB 83.0 KB 83.2 KB 83.0 KB 83.0 KB83.0 KB83.0 KB59 B0.07 %
JavaScript Transfer Size 288.9 KB 288.9 KB 289.5 KB 288.9 KB 288.9 KB288.9 KB289.1 KB231 B0.08 %
CSS Transfer Size 29.6 KB 29.6 KB 29.8 KB 29.6 KB 29.6 KB29.6 KB29.6 KB67 B0.22 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.0 KB 2.0 KB 2.1 KB 2.0 KB 2.0 KB2.0 KB2.0 KB33 B1.61 %
SVG Transfer Size 27.8 KB 27.8 KB 29.2 KB 27.8 KB 27.8 KB27.8 KB28.1 KB560 B1.94 %
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 69 69 69 69 69696900.00 %
First Party Total Transfer Size 606.5 KB 606.5 KB 609.0 KB 606.5 KB 606.5 KB606.5 KB607.0 KB1.0 KB0.17 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %