Metrics per run

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

Tested 2025-09-01 02:21:24 using Chrome 139.0.7258.127 (runtime settings).

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 575 ms 486 ms 507 ms507 ms523 ms38 ms7.27 %
First Contentful Paint 1.100 s 1.020 s 1.040 s1.040 s1.053 s34 ms3.23 %
Largest Contentful Paint 1.468 s 1.380 s 1.396 s1.396 s1.415 s38 ms2.71 %
Total Blocking Time 1.339 s 1.313 s 1.375 s1.339 s1.342 s25 ms1.89 %
Cumulative Layout Shift 0 0 00000.00 %
Timing metrics
First Paint 1.100 s 1.020 s 1.040 s1.040 s1.053 s34 ms3.23 %
First Contentful Paint 1.100 s 1.020 s 1.040 s1.040 s1.053 s34 ms3.23 %
Largest Contentful Paint 1.468 s 1.380 s 1.396 s1.396 s1.415 s38 ms2.71 %
Load Event End 1.953 s 1.883 s 1.899 s1.899 s1.912 s30 ms1.57 %
Server Response Time 456 ms 458 ms 457 ms457 ms457 ms1 ms0.18 %
TTFB 575 ms 486 ms 507 ms507 ms523 ms38 ms7.27 %
Page Load Time 1.952 s 1.883 s 1.899 s1.899 s1.911 s29 ms1.54 %
First Visual Change 1.100 s 1.034 s 1.033 s1.034 s1.056 s31 ms2.97 %
Last Visual Change 7.100 s 7.100 s 7.066 s7.100 s7.089 s16 ms0.23 %
Speed Index 2.553 s 2.469 s 2.508 s2.508 s2.510 s34 ms1.37 %
Visual Readiness 6.000 s 6.066 s 6.033 s6.033 s6.033 s27 ms0.45 %
Visual Complete 95 7.067 s 7.067 s 7.033 s7.067 s7.056 s16 ms0.23 %
Visual Complete 99 7.067 s 7.067 s 7.033 s7.067 s7.056 s16 ms0.23 %
CPU metrics
Total Blocking Time 1.339 s 1.313 s 1.375 s1.339 s1.342 s25 ms1.89 %
Max Potential FID 395 ms 391 ms 397 ms395 ms394 ms2 ms0.63 %
Number of Long Tasks 13 13 13131300.00 %
Total Duration of Long Tasks 2.063 s 2.040 s 2.107 s2.063 s2.070 s28 ms1.34 %
Browser metrics
CPU benchmark score 248 ms 252 ms 252 ms252 ms251 ms2 ms0.75 %
Page metrics
Cumulative Layout Shift 0 0 00000.00 %
DOM elements 11397 11397 11397113971139700.00 %
Document height 4471 4471 44714471447100.00 %
Total Requests 35 35 35353500.00 %
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 577.3 KB 577.3 KB 577.3 KB577.3 KB577.3 KB1 B0.00 %
HTML Transfer Size 180.3 KB 180.3 KB 180.3 KB180.3 KB180.3 KB0 b0.00 %
JavaScript Transfer Size 219.0 KB 219.0 KB 219.0 KB219.0 KB219.0 KB0 b0.00 %
CSS Transfer Size 22.1 KB 22.1 KB 22.1 KB22.1 KB22.1 KB1 B0.00 %
Font Transfer Size 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.7 KB 1.7 KB 1.7 KB1.7 KB1.7 KB0 b0.00 %
JSON Transfer Size 1.7 KB 1.7 KB 1.7 KB1.7 KB1.7 KB0 b0.00 %
SVG Transfer Size 16.1 KB 16.1 KB 16.1 KB16.1 KB16.1 KB0 b0.00 %
Total Content Size 2.1 MB 2.1 MB 2.1 MB2.1 MB2.1 MB0 b0.00 %
HTML Content Size 998.3 KB 998.3 KB 998.3 KB998.3 KB998.3 KB0 b0.00 %
JavaScript Content Size 838.3 KB 838.3 KB 838.3 KB838.3 KB838.3 KB0 b0.00 %
CSS Content Size 154.3 KB 154.3 KB 154.3 KB154.3 KB154.3 KB0 b0.00 %
Image Content Size 128.2 KB 128.2 KB 128.2 KB128.2 KB128.2 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 263 B 263 B 263 B263 B263 B0 b0.00 %
SVG Content Size 10.4 KB 10.4 KB 10.4 KB10.4 KB10.4 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 35 35 35353500.00 %
First Party Total Transfer Size 577.3 KB 577.3 KB 577.3 KB577.3 KB577.3 KB1 B0.00 %
First Party Total Content Size 2.1 MB 2.1 MB 2.1 MB2.1 MB2.1 MB0 b0.00 %