Metrics per run

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

Tested 2025-12-07 11:08:48 using Chrome 142.0.7444.59 (runtime settings).

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 430 ms 431 ms 432 ms431 ms431 ms1 ms0.19 %
First Contentful Paint 844 ms 816 ms 812 ms816 ms824 ms14 ms1.73 %
Largest Contentful Paint 1.352 s 1.348 s 1.316 s1.348 s1.339 s16 ms1.20 %
Total Blocking Time 921 ms 947 ms 963 ms947 ms944 ms17 ms1.83 %
Cumulative Layout Shift 0.191 0.191 0.1910.1910.19100.00 %
Timing metrics
First Paint 844 ms 816 ms 812 ms816 ms824 ms14 ms1.73 %
First Contentful Paint 844 ms 816 ms 812 ms816 ms824 ms14 ms1.73 %
Largest Contentful Paint 1.352 s 1.348 s 1.316 s1.348 s1.339 s16 ms1.20 %
Load Event End 3.105 s 3.096 s 3.083 s3.096 s3.095 s9 ms0.29 %
Server Response Time 300 ms 300 ms 300 ms300 ms300 ms0 ms0.00 %
TTFB 430 ms 431 ms 432 ms431 ms431 ms1 ms0.19 %
Page Load Time 3.102 s 3.094 s 3.080 s3.094 s3.092 s9 ms0.29 %
First Visual Change 833 ms 834 ms 834 ms834 ms834 ms0 ms0.06 %
Last Visual Change 3.133 s 3.134 s 3.134 s3.134 s3.134 s0 ms0.02 %
Speed Index 1.488 s 1.484 s 1.487 s1.487 s1.486 s2 ms0.11 %
Visual Readiness 2.300 s 2.300 s 2.300 s2.300 s2.300 s0 ms0.00 %
Visual Complete 95 3.066 s 3.067 s 3.034 s3.066 s3.056 s15 ms0.50 %
Visual Complete 99 3.133 s 3.134 s 3.134 s3.134 s3.134 s0 ms0.02 %
CPU metrics
Total Blocking Time 921 ms 947 ms 963 ms947 ms944 ms17 ms1.83 %
Max Potential FID 385 ms 362 ms 403 ms385 ms383 ms17 ms4.38 %
Number of Long Tasks 14 12 12121317.44 %
Total Duration of Long Tasks 1.700 s 1.629 s 1.645 s1.645 s1.658 s30 ms1.83 %
Browser metrics
CPU benchmark score 253 ms 247 ms 241 ms247 ms247 ms5 ms1.98 %
Page metrics
Cumulative Layout Shift 0.191 0.191 0.1910.1910.19100.00 %
DOM elements 3172 3172 31723172317200.00 %
Document height 4375 4375 43754375437500.00 %
Total Requests 37 37 37373700.00 %
HTML Requests 1 1 11100.00 %
JavaScript Requests 6 6 66600.00 %
CSS Requests 1 1 11100.00 %
Font Requests 0 0 00000.00 %
HTTP Errors 0 0 0000N/A
Total Transfer Size 484.5 KB 484.5 KB 484.5 KB484.5 KB484.5 KB1 B0.00 %
HTML Transfer Size 56.8 KB 56.8 KB 56.8 KB56.8 KB56.8 KB0 b0.00 %
JavaScript Transfer Size 225.6 KB 225.6 KB 225.6 KB225.6 KB225.6 KB0 b0.00 %
CSS Transfer Size 19.5 KB 19.5 KB 19.5 KB19.5 KB19.5 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 61.0 KB 61.0 KB 61.0 KB61.0 KB61.0 KB0 b0.00 %
Total Content Size 1.5 MB 1.5 MB 1.5 MB1.5 MB1.5 MB0 b0.00 %
HTML Content Size 271.5 KB 271.5 KB 271.5 KB271.5 KB271.5 KB0 b0.00 %
JavaScript Content Size 846.8 KB 846.8 KB 846.8 KB846.8 KB846.8 KB0 b0.00 %
CSS Content Size 145.8 KB 145.8 KB 145.8 KB145.8 KB145.8 KB0 b0.00 %
Image Content Size 105.2 KB 105.2 KB 105.2 KB105.2 KB105.2 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 114.2 KB 114.2 KB 114.2 KB114.2 KB114.2 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 37 37 37373700.00 %
First Party Total Transfer Size 484.5 KB 484.5 KB 484.5 KB484.5 KB484.5 KB1 B0.00 %
First Party Total Content Size 1.5 MB 1.5 MB 1.5 MB1.5 MB1.5 MB0 b0.00 %