Metrics per run

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

Tested 2026-05-26 06:10:55 using Chrome 148.0.7778.96 (runtime settings)

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 396 ms 393 ms 396 ms396 ms395 ms1 ms0.36 %
Largest Contentful Paint 1.500 s 1.504 s 1.464 s1.500 s1.489 s18 ms1.21 %
Total Blocking Time 1.533 s 1.535 s 1.506 s1.533 s1.525 s13 ms0.87 %
Cumulative Layout Shift 0.376 0.694 0.6940.6940.5880.1525.47 %
Timing metrics
First Paint 1.048 s 936 ms 936 ms936 ms973 ms53 ms5.42 %
Largest Contentful Paint 1.500 s 1.504 s 1.464 s1.500 s1.489 s18 ms1.21 %
Load Event End 2.367 s 2.355 s 2.351 s2.355 s2.358 s7 ms0.29 %
Server Response Time 618 ms 619 ms 619 ms619 ms619 ms0 ms0.08 %
TTFB 396 ms 393 ms 396 ms396 ms395 ms1 ms0.36 %
Page Load Time 2.367 s 2.355 s 2.351 s2.355 s2.358 s7 ms0.29 %
First Visual Change 1.033 s 933 ms 933 ms933 ms966 ms47 ms4.88 %
Last Visual Change 4.367 s 4.333 s 4.267 s4.333 s4.322 s42 ms0.96 %
Speed Index 2.777 s 2.657 s 2.639 s2.657 s2.691 s61 ms2.28 %
Visual Readiness 3.334 s 3.400 s 3.334 s3.334 s3.356 s31 ms0.93 %
Visual Complete 95 4.300 s 4.267 s 4.200 s4.267 s4.256 s42 ms0.98 %
Visual Complete 99 4.367 s 4.333 s 4.267 s4.333 s4.322 s42 ms0.96 %
CPU metrics
Total Blocking Time 1.533 s 1.535 s 1.506 s1.533 s1.525 s13 ms0.87 %
Max Potential FID 481 ms 458 ms 475 ms475 ms471 ms10 ms2.07 %
Number of Long Tasks 11 13 14131319.85 %
Total Duration of Long Tasks 2.145 s 2.270 s 2.268 s2.268 s2.228 s58 ms2.62 %
Browser metrics
CPU benchmark score 254 ms 244 ms 250 ms250 ms249 ms4 ms1.65 %
Page metrics
Cumulative Layout Shift 0.376 0.694 0.6940.6940.5880.1525.47 %
DOM elements 12299 12299 12299122991229900.00 %
Document height 4535 4535 45354535453500.00 %
Total Requests 34 34 34343400.00 %
HTML Requests 1 1 11100.00 %
JavaScript Requests 7 7 77700.00 %
CSS Requests 2 2 22200.00 %
Font Requests 0 0 00000.00 %
HTTP Errors 0 0 0000N/A
Total Transfer Size 734.7 KB 734.7 KB 734.7 KB734.7 KB734.7 KB2 B0.00 %
HTML Transfer Size 280.3 KB 280.3 KB 280.3 KB280.3 KB280.3 KB0 b0.00 %
JavaScript Transfer Size 249.7 KB 249.7 KB 249.7 KB249.7 KB249.7 KB0 b0.00 %
CSS Transfer Size 23.8 KB 23.8 KB 23.8 KB23.8 KB23.8 KB1 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 b0.03 %
Plain Transfer Size 1.6 KB 1.6 KB 1.6 KB1.6 KB1.6 KB0 b0.00 %
SVG Transfer Size 18.5 KB 18.5 KB 18.5 KB18.5 KB18.5 KB0 b0.00 %
Total Content Size 3.2 MB 3.2 MB 3.2 MB3.2 MB3.2 MB0 b0.00 %
HTML Content Size 1.9 MB 1.9 MB 1.9 MB1.9 MB1.9 MB0 b0.00 %
JavaScript Content Size 958.8 KB 958.8 KB 958.8 KB958.8 KB958.8 KB0 b0.00 %
CSS Content Size 163.1 KB 163.1 KB 163.1 KB163.1 KB163.1 KB0 b0.00 %
Image Content Size 150.9 KB 150.9 KB 150.9 KB150.9 KB150.9 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 263 B 263 B 263 B263 B263 B0 b0.00 %
Plain Content Size 0 b 0 b 0 b0 b0 b0 b0.00 %
SVG Content Size 14.0 KB 14.0 KB 14.0 KB14.0 KB14.0 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 34 34 34343400.00 %
First Party Total Transfer Size 734.7 KB 734.7 KB 734.7 KB734.7 KB734.7 KB2 B0.00 %
First Party Total Content Size 3.2 MB 3.2 MB 3.2 MB3.2 MB3.2 MB0 b0.00 %