Metrics per run

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

Tested 2025-12-07 11:13:50 using Chrome 142.0.7444.59 (runtime settings).

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 412 ms 412 ms 414 ms412 ms413 ms1 ms0.23 %
First Contentful Paint 804 ms 832 ms 820 ms820 ms819 ms11 ms1.40 %
Largest Contentful Paint 1.320 s 1.220 s 1.196 s1.220 s1.245 s54 ms4.31 %
Total Blocking Time 1.185 s 1.090 s 1.077 s1.090 s1.117 s48 ms4.31 %
Cumulative Layout Shift 0.194 0.194 0.1940.1940.19400.00 %
Timing metrics
First Paint 804 ms 832 ms 820 ms820 ms819 ms11 ms1.40 %
First Contentful Paint 804 ms 832 ms 820 ms820 ms819 ms11 ms1.40 %
Largest Contentful Paint 1.320 s 1.220 s 1.196 s1.220 s1.245 s54 ms4.31 %
Load Event End 3.371 s 3.267 s 3.213 s3.267 s3.284 s66 ms2.00 %
Server Response Time 330 ms 330 ms 330 ms330 ms330 ms0 ms0.00 %
TTFB 412 ms 412 ms 414 ms412 ms413 ms1 ms0.23 %
Page Load Time 3.369 s 3.264 s 3.211 s3.264 s3.281 s66 ms2.00 %
First Visual Change 834 ms 834 ms 834 ms834 ms834 ms0 ms0.00 %
Last Visual Change 11.700 s 11.600 s 11.534 s11.600 s11.611 s68 ms0.59 %
Speed Index 2.342 s 2.276 s 2.238 s2.276 s2.285 s43 ms1.88 %
Visual Readiness 10.866 s 10.766 s 10.700 s10.766 s10.777 s68 ms0.63 %
Visual Complete 95 3.334 s 3.234 s 3.167 s3.234 s3.245 s69 ms2.11 %
Visual Complete 99 11.667 s 11.567 s 11.500 s11.567 s11.578 s69 ms0.59 %
CPU metrics
Total Blocking Time 1.185 s 1.090 s 1.077 s1.090 s1.117 s48 ms4.31 %
Max Potential FID 489 ms 428 ms 424 ms428 ms447 ms30 ms6.65 %
Number of Long Tasks 12 13 12121203.82 %
Total Duration of Long Tasks 1.851 s 1.815 s 1.749 s1.815 s1.805 s42 ms2.34 %
Browser metrics
CPU benchmark score 250 ms 249 ms 248 ms249 ms249 ms1 ms0.33 %
Page metrics
Cumulative Layout Shift 0.194 0.194 0.1940.1940.19400.00 %
DOM elements 4318 4318 43184318431800.00 %
Document height 4859 4859 48594859485900.00 %
Total Requests 30 30 30303000.00 %
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 468.0 KB 468.0 KB 468.0 KB468.0 KB468.0 KB1 B0.00 %
HTML Transfer Size 76.1 KB 76.1 KB 76.1 KB76.1 KB76.1 KB0 b0.00 %
JavaScript Transfer Size 231.6 KB 231.6 KB 231.6 KB231.6 KB231.6 KB1 B0.00 %
CSS Transfer Size 20.4 KB 20.4 KB 20.4 KB20.4 KB20.4 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 344.2 KB 344.2 KB 344.2 KB344.2 KB344.2 KB0 b0.00 %
JavaScript Content Size 867.3 KB 867.3 KB 867.3 KB867.3 KB867.3 KB0 b0.00 %
CSS Content Size 152.7 KB 152.7 KB 152.7 KB152.7 KB152.7 KB0 b0.00 %
Image Content Size 70.2 KB 70.2 KB 70.2 KB70.2 KB70.2 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 30 30 30303000.00 %
First Party Total Transfer Size 468.0 KB 468.0 KB 468.0 KB468.0 KB468.0 KB1 B0.00 %
First Party Total Content Size 1.5 MB 1.5 MB 1.5 MB1.5 MB1.5 MB0 b0.00 %