Metrics per run

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

Tested 2025-12-07 12:18:18 using Chrome 142.0.7444.59 (runtime settings).

Side by side

Metric1234567MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 488 ms 506 ms 503 ms 488 ms 487 ms 487 ms 487 ms488 ms492 ms8 ms1.58 %
First Contentful Paint 1.176 s 1.200 s 1.216 s 1.192 s 1.168 s 1.176 s 1.204 s1.192 s1.190 s16 ms1.37 %
Largest Contentful Paint 1.176 s 1.200 s 1.216 s 1.192 s 1.168 s 1.176 s 1.204 s1.192 s1.190 s16 ms1.37 %
Interaction to Next Paint 672 ms 672 ms 696 ms 688 ms 664 ms 672 ms 704 ms672 ms681 ms14 ms2.03 %
Total Blocking Time 525 ms 556 ms 556 ms 570 ms 596 ms 583 ms 544 ms556 ms561 ms22 ms3.94 %
Cumulative Layout Shift 0.153 0.154 0.153 0.153 0.151 0.154 0.1530.1530.1530.0010.61 %
Timing metrics
First Paint 1.176 s 1.200 s 1.216 s 1.192 s 1.168 s 1.176 s 1.204 s1.192 s1.190 s16 ms1.37 %
First Contentful Paint 1.176 s 1.200 s 1.216 s 1.192 s 1.168 s 1.176 s 1.204 s1.192 s1.190 s16 ms1.37 %
Largest Contentful Paint 1.176 s 1.200 s 1.216 s 1.192 s 1.168 s 1.176 s 1.204 s1.192 s1.190 s16 ms1.37 %
Load Event End 2.163 s 2.318 s 2.325 s 2.195 s 2.225 s 2.214 s 2.206 s2.214 s2.235 s58 ms2.57 %
Server Response Time 474 ms 473 ms 474 ms 474 ms 473 ms 474 ms 473 ms474 ms474 ms0 ms0.10 %
TTFB 488 ms 506 ms 503 ms 488 ms 487 ms 487 ms 487 ms488 ms492 ms8 ms1.58 %
Page Load Time 2.162 s 2.317 s 2.325 s 2.195 s 2.225 s 2.214 s 2.206 s2.214 s2.235 s57 ms2.57 %
First Visual Change 1.166 s 1.200 s 1.200 s 1.166 s 1.166 s 1.166 s 1.166 s1.166 s1.176 s15 ms1.31 %
Last Visual Change 14.066 s 14.233 s 14.233 s 14.300 s 14.100 s 14.133 s 14.100 s14.133 s14.166 s82 ms0.58 %
Speed Index 3.253 s 3.310 s 3.314 s 3.273 s 3.270 s 3.292 s 3.345 s3.292 s3.294 s29 ms0.89 %
Visual Readiness 12.900 s 13.033 s 13.033 s 13.134 s 12.934 s 12.967 s 12.934 s12.967 s12.991 s75 ms0.58 %
Visual Complete 95 12.200 s 12.133 s 12.200 s 12.166 s 12.066 s 12.233 s 12.100 s12.166 s12.157 s56 ms0.46 %
Visual Complete 99 13.100 s 13.200 s 13.233 s 13.900 s 13.133 s 14.100 s 13.933 s13.233 s13.514 s407 ms3.01 %
CPU metrics
Total Blocking Time 525 ms 556 ms 556 ms 570 ms 596 ms 583 ms 544 ms556 ms561 ms22 ms3.94 %
Max Potential FID 316 ms 344 ms 333 ms 342 ms 382 ms 323 ms 350 ms342 ms341 ms20 ms5.84 %
Number of Long Tasks 5 5 6 5 6 5 55508.55 %
Total Duration of Long Tasks 1.024 s 1.080 s 1.124 s 1.082 s 1.159 s 1.103 s 1.064 s1.082 s1.091 s40 ms3.68 %
Browser metrics
CPU benchmark score 33 ms 34 ms 34 ms 34 ms 33 ms 34 ms 34 ms34 ms34 ms0 ms1.34 %
Page metrics
Cumulative Layout Shift 0.153 0.154 0.153 0.153 0.151 0.154 0.1530.1530.1530.0010.61 %
DOM elements 13868 13867 13868 13867 13868 13867 13867138671386700.00 %
Document height 46674 46674 46674 46674 46674 46674 46674466744667400.00 %
Total Requests 67 67 67 67 67 67 67676700.00 %
HTML Requests 1 1 1 1 1 1 11100.00 %
JavaScript Requests 9 9 9 9 9 9 99900.00 %
CSS Requests 2 2 2 2 2 2 22200.00 %
Font Requests 0 0 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0 0 0000N/A
Total Transfer Size 1015.4 KB 1016.5 KB 1016.5 KB 1016.5 KB 1016.5 KB 1016.5 KB 1011.6 KB1016.5 KB1015.6 KB1.7 KB0.17 %
HTML Transfer Size 196.1 KB 196.1 KB 196.1 KB 196.1 KB 196.1 KB 196.1 KB 196.1 KB196.1 KB196.1 KB0 b0.00 %
JavaScript Transfer Size 398.6 KB 398.6 KB 398.6 KB 398.6 KB 398.6 KB 398.6 KB 398.6 KB398.6 KB398.6 KB1 B0.00 %
CSS Transfer Size 26.7 KB 26.7 KB 26.7 KB 26.7 KB 26.7 KB 26.7 KB 26.7 KB26.7 KB26.7 KB1 B0.00 %
Font Transfer Size 0 b 0 b 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 KB 1.8 KB 1.8 KB1.8 KB1.8 KB0 b0.00 %
JSON Transfer Size 2.2 KB 2.2 KB 2.2 KB 2.2 KB 2.2 KB 2.2 KB 2.2 KB2.2 KB2.2 KB7 B0.30 %
Plain Transfer Size 611 B 611 B 611 B 611 B 611 B 611 B 611 B611 B611 B0 b0.00 %
SVG Transfer Size 29.0 KB 29.0 KB 29.0 KB 29.0 KB 29.0 KB 29.0 KB 29.0 KB29.0 KB29.0 KB0 b0.00 %
Total Content Size 3.1 MB 3.1 MB 3.1 MB 3.1 MB 3.1 MB 3.1 MB 3.1 MB3.1 MB3.1 MB1.8 KB0.06 %
HTML Content Size 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB0 b0.00 %
JavaScript Content Size 1.5 MB 1.5 MB 1.5 MB 1.5 MB 1.5 MB 1.5 MB 1.5 MB1.5 MB1.5 MB0 b0.00 %
CSS Content Size 189.8 KB 189.8 KB 189.8 KB 189.8 KB 189.8 KB 189.8 KB 189.8 KB189.8 KB189.8 KB0 b0.00 %
Image Content Size 326.3 KB 327.3 KB 327.3 KB 327.3 KB 327.3 KB 327.3 KB 322.5 KB327.3 KB326.5 KB1.7 KB0.51 %
Font Content Size 0 b 0 b 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 KB 2.7 KB 2.7 KB2.7 KB2.7 KB0 b0.00 %
JSON Content Size 2.2 KB 2.2 KB 2.2 KB 2.2 KB 2.2 KB 2.2 KB 1.9 KB2.2 KB2.2 KB87 B3.95 %
Plain Content Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
SVG Content Size 23.4 KB 23.4 KB 23.4 KB 23.4 KB 23.4 KB 23.4 KB 23.4 KB23.4 KB23.4 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 67 67 67 67 67 67 67676700.00 %
First Party Total Transfer Size 1015.4 KB 1016.5 KB 1016.5 KB 1016.5 KB 1016.5 KB 1016.5 KB 1011.6 KB1016.5 KB1015.6 KB1.7 KB0.17 %
First Party Total Content Size 3.1 MB 3.1 MB 3.1 MB 3.1 MB 3.1 MB 3.1 MB 3.1 MB3.1 MB3.1 MB1.8 KB0.06 %