Metrics per run

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

Tested 2026-04-29 17:57:56 using Chrome 146.0.7680.80 (runtime settings).

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 416 ms 416 ms 417 ms416 ms416 ms0 ms0.11 %
First Contentful Paint 884 ms 884 ms 884 ms884 ms884 ms0 ms0.00 %
Largest Contentful Paint 1.216 s 1.212 s 1.244 s1.216 s1.224 s14 ms1.16 %
Total Blocking Time 1.362 s 999 ms 1.034 s1.034 s1.132 s163 ms14.45 %
Cumulative Layout Shift 0.01 0.01 0.010.0110.01100.00 %
Timing metrics
First Paint 884 ms 884 ms 884 ms884 ms884 ms0 ms0.00 %
First Contentful Paint 884 ms 884 ms 884 ms884 ms884 ms0 ms0.00 %
Largest Contentful Paint 1.216 s 1.212 s 1.244 s1.216 s1.224 s14 ms1.16 %
Load Event End 1.758 s 3.092 s 2.920 s2.920 s2.590 s592 ms22.88 %
Server Response Time 364 ms 363 ms 363 ms363 ms363 ms0 ms0.13 %
TTFB 416 ms 416 ms 417 ms416 ms416 ms0 ms0.11 %
Page Load Time 1.758 s 3.088 s 2.916 s2.916 s2.587 s591 ms22.83 %
First Visual Change 900 ms 866 ms 900 ms900 ms889 ms16 ms1.80 %
Last Visual Change 18.067 s 9.566 s 9.634 s9.634 s12.422 s3.991 s32.13 %
Speed Index 2.184 s 1.484 s 1.540 s1.540 s1.736 s318 ms18.30 %
Visual Readiness 17.167 s 8.700 s 8.734 s8.734 s11.534 s3.983 s34.54 %
Visual Complete 95 17.900 s 2.966 s 3.000 s3.000 s7.955 s7.032 s88.39 %
Visual Complete 99 17.900 s 9.533 s 9.600 s9.600 s12.344 s3.929 s31.82 %
CPU metrics
Total Blocking Time 1.362 s 999 ms 1.034 s1.034 s1.132 s163 ms14.45 %
Max Potential FID 412 ms 357 ms 369 ms369 ms379 ms24 ms6.22 %
Number of Long Tasks 14 12 12121317.44 %
Total Duration of Long Tasks 2.099 s 1.638 s 1.681 s1.681 s1.806 s208 ms11.51 %
Browser metrics
CPU benchmark score 256 ms 249 ms 253 ms253 ms253 ms3 ms1.13 %
Page metrics
Cumulative Layout Shift 0.01 0.01 0.010.0110.01100.00 %
DOM elements 4728 4727 47274727472700.01 %
Document height 4588 4588 45884588458800.00 %
Total Requests 30 29 29292901.61 %
HTML Requests 1 1 11100.00 %
JavaScript Requests 5 5 55500.00 %
CSS Requests 2 2 22200.00 %
Font Requests 0 0 00000.00 %
HTTP Errors 0 0 0000N/A
Total Transfer Size 606.9 KB 475.7 KB 472.0 KB475.7 KB518.2 KB62.7 KB12.10 %
HTML Transfer Size 102.1 KB 101.9 KB 101.9 KB101.9 KB102.0 KB66 B0.06 %
JavaScript Transfer Size 371.6 KB 242.5 KB 242.5 KB242.5 KB285.5 KB60.9 KB21.32 %
CSS Transfer Size 22.8 KB 22.6 KB 22.6 KB22.6 KB22.7 KB72 B0.31 %
Font Transfer Size 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.9 KB 1.8 KB 1.8 KB1.8 KB1.8 KB28 B1.52 %
JSON Transfer Size 1.9 KB 1.9 KB 1.8 KB1.9 KB1.9 KB76 B3.97 %
Plain Transfer Size 881 B N/A N/A881 B881 B0 b0.00 %
SVG Transfer Size 19.2 KB 18.4 KB 18.4 KB18.4 KB18.7 KB379 B1.98 %
Total Content Size 2.2 MB 1.7 MB 1.7 MB1.7 MB1.9 MB246.4 KB12.86 %
HTML Content Size 560.5 KB 560.2 KB 560.2 KB560.2 KB560.3 KB135 B0.02 %
JavaScript Content Size 1.4 MB 925.0 KB 925.0 KB925.0 KB1.1 MB245.4 KB22.34 %
CSS Content Size 159.5 KB 159.5 KB 159.5 KB159.5 KB159.5 KB0 b0.00 %
Image Content Size 81.3 KB 81.3 KB 77.8 KB81.3 KB80.2 KB1.7 KB2.07 %
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 %
Plain Content Size 0 b N/A N/A0 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 30 29 29292901.61 %
First Party Total Transfer Size 606.9 KB 475.7 KB 472.0 KB475.7 KB518.2 KB62.7 KB12.10 %
First Party Total Content Size 2.2 MB 1.7 MB 1.7 MB1.7 MB1.9 MB246.4 KB12.86 %