Metrics per run

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

Tested 2025-06-18 12:42:23 using Chrome 137.0.7151.55 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 437 ms 542 ms 419 ms 436 ms 420 ms436 ms451 ms46 ms10.26 %
First Contentful Paint 932 ms 1.004 s 908 ms 916 ms 888 ms916 ms930 ms40 ms4.28 %
Largest Contentful Paint 932 ms 1.004 s 908 ms 916 ms 888 ms916 ms930 ms40 ms4.28 %
Total Blocking Time 10 ms 0 ms 13 ms 9 ms 0 ms9 ms6 ms5 ms84.20 %
Cumulative Layout Shift 0.031 0.031 0.031 0.031 0.0310.0310.03100.00 %
Timing metrics
First Paint 932 ms 1.004 s 908 ms 916 ms 888 ms916 ms930 ms40 ms4.28 %
First Contentful Paint 932 ms 1.004 s 908 ms 916 ms 888 ms916 ms930 ms40 ms4.28 %
Largest Contentful Paint 932 ms 1.004 s 908 ms 916 ms 888 ms916 ms930 ms40 ms4.28 %
Load Event End 1.644 s 1.953 s 1.917 s 1.856 s 1.838 s1.856 s1.842 s107 ms5.82 %
Server Response Time 337 ms 335 ms 336 ms 336 ms 336 ms336 ms336 ms1 ms0.19 %
TTFB 437 ms 542 ms 419 ms 436 ms 420 ms436 ms451 ms46 ms10.26 %
Page Load Time 1.644 s 1.952 s 1.916 s 1.855 s 1.838 s1.855 s1.841 s107 ms5.80 %
First Visual Change 933 ms 1.000 s 900 ms 900 ms 900 ms900 ms927 ms39 ms4.19 %
Last Visual Change 1.466 s 1.766 s 1.633 s 1.633 s 1.666 s1.633 s1.633 s97 ms5.92 %
Speed Index 1.005 s 1.101 s 995 ms 993 ms 996 ms996 ms1.018 s42 ms4.10 %
Visual Readiness 533 ms 766 ms 733 ms 733 ms 766 ms733 ms706 ms88 ms12.44 %
Visual Complete 95 1.433 s 1.766 s 1.633 s 1.633 s 1.666 s1.633 s1.626 s108 ms6.65 %
Visual Complete 99 1.466 s 1.766 s 1.633 s 1.633 s 1.666 s1.633 s1.633 s97 ms5.92 %
CPU metrics
Total Blocking Time 10 ms 0 ms 13 ms 9 ms 0 ms9 ms6 ms5 ms84.20 %
Max Potential FID 60 ms 0 ms 63 ms 59 ms 0 ms59 ms36 ms30 ms81.73 %
Number of Long Tasks 2 1 2 2 122030.62 %
Total Duration of Long Tasks 200 ms 155 ms 224 ms 205 ms 153 ms200 ms187 ms28 ms15.17 %
Browser metrics
CPU benchmark score 40 ms 40 ms 40 ms 39 ms 40 ms40 ms40 ms0 ms1.01 %
Page metrics
Cumulative Layout Shift 0.031 0.031 0.031 0.031 0.0310.0310.03100.00 %
DOM elements 5595 5594 5595 5595 55945595559500.01 %
Document height 24494 24494 24494 24494 24494244942449400.00 %
Total Requests 60 60 60 60 60606000.00 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 10 10 10 10 10101000.00 %
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 595.9 KB 595.9 KB 595.9 KB 595.9 KB 595.9 KB595.9 KB595.9 KB6 B0.00 %
HTML Transfer Size 83.0 KB 83.0 KB 83.0 KB 83.0 KB 83.0 KB83.0 KB83.0 KB0 b0.00 %
JavaScript Transfer Size 286.1 KB 286.1 KB 286.1 KB 286.1 KB 286.1 KB286.1 KB286.1 KB1 B0.00 %
CSS Transfer Size 28.3 KB 28.3 KB 28.3 KB 28.3 KB 28.3 KB28.3 KB28.3 KB4 B0.01 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.8 KB 1.8 KB 1.8 KB 1.8 KB 1.8 KB1.8 KB1.8 KB0 b0.00 %
SVG Transfer Size 31.3 KB 31.3 KB 31.3 KB 31.3 KB 31.3 KB31.3 KB31.3 KB0 b0.00 %
Total Content Size 1.8 MB 1.8 MB 1.8 MB 1.8 MB 1.8 MB1.8 MB1.8 MB0 b0.00 %
HTML Content Size 409.8 KB 409.8 KB 409.8 KB 409.8 KB 409.8 KB409.8 KB409.8 KB0 b0.00 %
JavaScript Content Size 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB0 b0.00 %
CSS Content Size 193.8 KB 193.8 KB 193.8 KB 193.8 KB 193.8 KB193.8 KB193.8 KB0 b0.00 %
Image Content Size 141.8 KB 141.8 KB 141.8 KB 141.8 KB 141.8 KB141.8 KB141.8 KB0 b0.00 %
Font Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Content Size 2.7 KB 2.7 KB 2.7 KB 2.7 KB 2.7 KB2.7 KB2.7 KB0 b0.00 %
SVG Content Size 35.8 KB 35.8 KB 35.8 KB 35.8 KB 35.8 KB35.8 KB35.8 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 60 60 60 60 60606000.00 %
First Party Total Transfer Size 595.9 KB 595.9 KB 595.9 KB 595.9 KB 595.9 KB595.9 KB595.9 KB6 B0.00 %
First Party Total Content Size 1.8 MB 1.8 MB 1.8 MB 1.8 MB 1.8 MB1.8 MB1.8 MB0 b0.00 %