Metrics per run

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

Tested 2026-03-04 11:33:51 using Firefox 147.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 515 ms 441 ms 442 ms 440 ms 427 ms441 ms453 ms31 ms6.95 %
First Contentful Paint 899 ms 832 ms 849 ms 832 ms 814 ms832 ms845 ms29 ms3.44 %
Largest Contentful Paint 899 ms 1.187 s 849 ms 832 ms 814 ms849 ms916 ms138 ms15.10 %
Timing metrics
First Paint 898 ms 832 ms 849 ms 832 ms 814 ms832 ms845 ms29 ms3.40 %
First Contentful Paint 899 ms 832 ms 849 ms 832 ms 814 ms832 ms845 ms29 ms3.44 %
Largest Contentful Paint 899 ms 1.187 s 849 ms 832 ms 814 ms849 ms916 ms138 ms15.10 %
Load Event End 1.752 s 1.625 s 1.663 s 1.636 s 1.716 s1.663 s1.678 s48 ms2.88 %
Server Response Time 120 ms 120 ms 120 ms 120 ms 120 ms120 ms120 ms0 ms0.00 %
TTFB 515 ms 441 ms 442 ms 440 ms 427 ms441 ms453 ms31 ms6.95 %
Page Load Time 1.751 s 1.625 s 1.662 s 1.635 s 1.716 s1.662 s1.678 s48 ms2.88 %
First Visual Change 933 ms 867 ms 867 ms 867 ms 833 ms867 ms873 ms33 ms3.73 %
Last Visual Change 2.833 s 2.733 s 2.733 s 2.800 s 2.733 s2.733 s2.766 s42 ms1.53 %
Speed Index 971 ms 928 ms 905 ms 911 ms 878 ms911 ms919 ms31 ms3.35 %
Visual Readiness 1.900 s 1.866 s 1.866 s 1.933 s 1.900 s1.900 s1.893 s25 ms1.33 %
Visual Complete 95 933 ms 1.200 s 867 ms 867 ms 867 ms867 ms947 ms129 ms13.64 %
Visual Complete 99 1.600 s 1.500 s 1.567 s 1.500 s 1.533 s1.533 s1.540 s39 ms2.53 %
CPU metrics
Browser metrics
CPU benchmark score 78 ms 76 ms 76 ms 77 ms 77 ms77 ms77 ms1 ms0.97 %
Page metrics
DOM elements 5264 5264 5264 5264 52645264526400.00 %
Document height 15852 15846 15852 15846 15846158461584830.02 %
Total Requests 56 56 56 56 56565600.00 %
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 547.3 KB 577.0 KB 547.3 KB 546.7 KB 551.7 KB547.3 KB554.0 KB11.6 KB2.10 %
HTML Transfer Size 83.9 KB 83.9 KB 83.9 KB 83.9 KB 83.9 KB83.9 KB83.9 KB0 b0.00 %
JavaScript Transfer Size 300.4 KB 300.4 KB 300.4 KB 300.4 KB 300.4 KB300.4 KB300.4 KB0 b0.00 %
CSS Transfer Size 30.1 KB 30.1 KB 30.1 KB 30.1 KB 30.1 KB30.1 KB30.1 KB0 b0.00 %
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 2.0 KB 2.0 KB 2.0 KB2.0 KB2.0 KB0 b0.00 %
SVG Transfer Size 34.5 KB 34.5 KB 34.5 KB 34.5 KB 34.5 KB34.5 KB34.5 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 56 56 56 56 56565600.00 %
First Party Total Transfer Size 547.3 KB 577.0 KB 547.3 KB 546.7 KB 551.7 KB547.3 KB554.0 KB11.6 KB2.10 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %