Metrics per run

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

Tested 2025-12-27 18:47:39 using Chrome 143.0.7499.109 (runtime settings).

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 432 ms 415 ms 415 ms415 ms421 ms8 ms1.91 %
First Contentful Paint 884 ms 868 ms 856 ms868 ms869 ms11 ms1.32 %
Largest Contentful Paint 1.420 s 1.400 s 1.400 s1.400 s1.407 s9 ms0.67 %
Total Blocking Time 819 ms 852 ms 718 ms819 ms796 ms57 ms7.16 %
Cumulative Layout Shift 0 0 00000.00 %
Timing metrics
First Paint 884 ms 868 ms 856 ms868 ms869 ms11 ms1.32 %
First Contentful Paint 884 ms 868 ms 856 ms868 ms869 ms11 ms1.32 %
Largest Contentful Paint 1.420 s 1.400 s 1.400 s1.400 s1.407 s9 ms0.67 %
Load Event End 2.737 s 2.725 s 2.614 s2.725 s2.692 s55 ms2.06 %
Server Response Time 335 ms 335 ms 335 ms335 ms335 ms0 ms0.00 %
TTFB 432 ms 415 ms 415 ms415 ms421 ms8 ms1.91 %
Page Load Time 2.733 s 2.720 s 2.610 s2.720 s2.688 s55 ms2.05 %
First Visual Change 900 ms 866 ms 867 ms867 ms878 ms16 ms1.80 %
Last Visual Change 7.100 s 7.066 s 7.100 s7.100 s7.089 s16 ms0.23 %
Speed Index 1.517 s 1.482 s 1.508 s1.508 s1.502 s15 ms0.99 %
Visual Readiness 6.200 s 6.200 s 6.233 s6.200 s6.211 s16 ms0.25 %
Visual Complete 95 1.767 s 1.500 s 1.734 s1.734 s1.667 s119 ms7.13 %
Visual Complete 99 7.067 s 7.033 s 7.067 s7.067 s7.056 s16 ms0.23 %
CPU metrics
Total Blocking Time 819 ms 852 ms 718 ms819 ms796 ms57 ms7.16 %
Max Potential FID 265 ms 277 ms 239 ms265 ms260 ms16 ms6.09 %
Number of Long Tasks 12 12 12121200.00 %
Total Duration of Long Tasks 1.504 s 1.535 s 1.397 s1.504 s1.479 s59 ms4.00 %
Browser metrics
CPU benchmark score 251 ms 245 ms 240 ms245 ms245 ms4 ms1.83 %
Page metrics
Cumulative Layout Shift 0 0 00000.00 %
DOM elements 3552 3552 35523552355200.00 %
Document height 4458 4458 44584458445800.00 %
Total Requests 34 34 34343400.00 %
HTML Requests 1 1 11100.00 %
JavaScript Requests 5 5 55500.00 %
CSS Requests 1 1 11100.00 %
Font Requests 0 0 00000.00 %
HTTP Errors 0 0 0000N/A
Total Transfer Size 457.2 KB 457.2 KB 457.2 KB457.2 KB457.2 KB1 B0.00 %
HTML Transfer Size 78.1 KB 78.1 KB 78.1 KB78.1 KB78.1 KB0 b0.00 %
JavaScript Transfer Size 222.2 KB 222.2 KB 222.2 KB222.2 KB222.2 KB0 b0.00 %
CSS Transfer Size 19.8 KB 19.8 KB 19.8 KB19.8 KB19.8 KB0 b0.00 %
Font Transfer Size 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.8 KB 1.8 KB 1.8 KB1.8 KB1.8 KB0 b0.00 %
JSON Transfer Size 1.8 KB 1.8 KB 1.8 KB1.8 KB1.8 KB0 b0.00 %
SVG Transfer Size 17.1 KB 17.1 KB 17.1 KB17.1 KB17.1 KB0 b0.00 %
Total Content Size 1.5 MB 1.5 MB 1.5 MB1.5 MB1.5 MB0 b0.00 %
HTML Content Size 463.1 KB 463.1 KB 463.1 KB463.1 KB463.1 KB0 b0.00 %
JavaScript Content Size 842.0 KB 842.0 KB 842.0 KB842.0 KB842.0 KB0 b0.00 %
CSS Content Size 147.3 KB 147.3 KB 147.3 KB147.3 KB147.3 KB0 b0.00 %
Image Content Size 104.7 KB 104.7 KB 104.7 KB104.7 KB104.7 KB0 b0.00 %
Font Content Size 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Content Size 2.7 KB 2.7 KB 2.7 KB2.7 KB2.7 KB0 b0.00 %
JSON Content Size 271 B 271 B 271 B271 B271 B0 b0.00 %
SVG Content Size 10.4 KB 10.4 KB 10.4 KB10.4 KB10.4 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 34 34 34343400.00 %
First Party Total Transfer Size 457.2 KB 457.2 KB 457.2 KB457.2 KB457.2 KB1 B0.00 %
First Party Total Content Size 1.5 MB 1.5 MB 1.5 MB1.5 MB1.5 MB0 b0.00 %