Metrics per run

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

Tested 2026-05-26 06:33:13 using Chrome 148.0.7778.96 (runtime settings)

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 396 ms 394 ms 395 ms395 ms395 ms1 ms0.21 %
Largest Contentful Paint 1.256 s 1.288 s 1.276 s1.276 s1.273 s13 ms1.04 %
Total Blocking Time 1.059 s 1.084 s 1.023 s1.059 s1.055 s25 ms2.37 %
Cumulative Layout Shift 0 0 00000.00 %
Timing metrics
First Paint 884 ms 892 ms 900 ms892 ms892 ms7 ms0.73 %
Largest Contentful Paint 1.256 s 1.288 s 1.276 s1.276 s1.273 s13 ms1.04 %
Load Event End 1.723 s 1.739 s 1.729 s1.729 s1.730 s7 ms0.38 %
Server Response Time 366 ms 368 ms 368 ms368 ms367 ms1 ms0.26 %
TTFB 396 ms 394 ms 395 ms395 ms395 ms1 ms0.21 %
Page Load Time 1.723 s 1.739 s 1.729 s1.729 s1.730 s7 ms0.38 %
First Visual Change 867 ms 900 ms 900 ms900 ms889 ms16 ms1.75 %
Last Visual Change 3.733 s 3.800 s 3.733 s3.733 s3.755 s32 ms0.84 %
Speed Index 2.037 s 2.065 s 2.038 s2.038 s2.047 s13 ms0.63 %
Visual Readiness 2.866 s 2.900 s 2.833 s2.866 s2.866 s27 ms0.95 %
Visual Complete 95 3.400 s 3.433 s 3.400 s3.400 s3.411 s16 ms0.46 %
Visual Complete 99 3.733 s 3.733 s 3.733 s3.733 s3.733 s0 ms0.00 %
CPU metrics
Total Blocking Time 1.059 s 1.084 s 1.023 s1.059 s1.055 s25 ms2.37 %
Max Potential FID 275 ms 283 ms 279 ms279 ms279 ms3 ms1.17 %
Number of Long Tasks 16 16 16161600.00 %
Total Duration of Long Tasks 1.920 s 1.955 s 1.894 s1.920 s1.923 s25 ms1.30 %
Browser metrics
CPU benchmark score 253 ms 252 ms 243 ms252 ms249 ms4 ms1.80 %
Page metrics
Cumulative Layout Shift 0 0 00000.00 %
DOM elements 4733 4733 47334733473300.00 %
Document height 4716 4716 47164716471600.00 %
Total Requests 32 32 32323200.00 %
HTML Requests 1 1 11100.00 %
JavaScript Requests 6 6 66600.00 %
CSS Requests 2 2 22200.00 %
Font Requests 0 0 00000.00 %
HTTP Errors 0 0 0000N/A
Total Transfer Size 637.0 KB 637.0 KB 637.0 KB637.0 KB637.0 KB5 B0.00 %
HTML Transfer Size 103.5 KB 103.5 KB 103.5 KB103.5 KB103.5 KB0 b0.00 %
JavaScript Transfer Size 374.5 KB 374.5 KB 374.5 KB374.5 KB374.5 KB1 B0.00 %
CSS Transfer Size 22.5 KB 22.5 KB 22.5 KB22.5 KB22.5 KB5 B0.02 %
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 24.3 KB 24.3 KB 24.3 KB24.3 KB24.3 KB0 b0.00 %
Total Content Size 2.3 MB 2.3 MB 2.3 MB2.3 MB2.3 MB0 b0.00 %
HTML Content Size 560.7 KB 560.7 KB 560.7 KB560.7 KB560.7 KB0 b0.00 %
JavaScript Content Size 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB0 b0.00 %
CSS Content Size 159.1 KB 159.1 KB 159.1 KB159.1 KB159.1 KB0 b0.00 %
Image Content Size 102.3 KB 102.3 KB 102.3 KB102.3 KB102.3 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 28.7 KB 28.7 KB 28.7 KB28.7 KB28.7 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 32 32 32323200.00 %
First Party Total Transfer Size 637.0 KB 637.0 KB 637.0 KB637.0 KB637.0 KB5 B0.00 %
First Party Total Content Size 2.3 MB 2.3 MB 2.3 MB2.3 MB2.3 MB0 b0.00 %