Metrics per run

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

Tested 2026-06-01 02:01:44 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 407 ms 406 ms 406 ms 413 ms 407 ms407 ms408 ms3 ms0.65 %
Largest Contentful Paint 1.813 s 2.137 s 2.243 s 1.762 s 2.157 s2.137 s2.022 s196 ms9.68 %
Timing metrics
First Paint 1.326 s 1.267 s 1.292 s 1.304 s 1.311 s1.304 s1.300 s20 ms1.53 %
Largest Contentful Paint 1.813 s 2.137 s 2.243 s 1.762 s 2.157 s2.137 s2.022 s196 ms9.68 %
Load Event End 2.527 s 2.372 s 2.577 s 2.499 s 2.369 s2.499 s2.469 s84 ms3.41 %
Server Response Time 107 ms 106 ms 107 ms 107 ms 107 ms107 ms107 ms0 ms0.37 %
TTFB 407 ms 406 ms 406 ms 413 ms 407 ms407 ms408 ms3 ms0.65 %
Page Load Time 2.526 s 2.371 s 2.576 s 2.498 s 2.368 s2.498 s2.468 s84 ms3.41 %
First Visual Change 1.400 s 1.333 s 1.333 s 1.367 s 1.367 s1.367 s1.360 s25 ms1.85 %
Last Visual Change 3.700 s 3.667 s 3.733 s 3.767 s 3.700 s3.700 s3.713 s34 ms0.91 %
Speed Index 1.605 s 1.622 s 1.610 s 1.579 s 1.650 s1.610 s1.613 s23 ms1.43 %
Visual Readiness 2.300 s 2.334 s 2.400 s 2.400 s 2.333 s2.334 s2.353 s40 ms1.70 %
Visual Complete 95 2.533 s 2.700 s 2.667 s 2.600 s 2.733 s2.667 s2.647 s72 ms2.71 %
Visual Complete 99 2.633 s 2.700 s 2.667 s 2.667 s 2.733 s2.667 s2.680 s34 ms1.27 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 79 ms 77 ms 81 ms 77 ms77 ms78 ms2 ms2.05 %
Page metrics
DOM elements 22203 22199 22199 22203 22199221992220120.01 %
Document height 50540 50535 50535 50540 50535505355053720.00 %
Total Requests 64 66 66 64 66666511.50 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 8 8 8 8 88800.00 %
CSS Requests 2 2 2 2 22200.00 %
Font Requests 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0000N/A
Total Transfer Size 1.3 MB 1.2 MB 1.2 MB 1.3 MB 1.2 MB1.2 MB1.3 MB35.9 KB2.77 %
HTML Transfer Size 264.2 KB 264.2 KB 264.2 KB 264.2 KB 264.2 KB264.2 KB264.2 KB0 b0.00 %
JavaScript Transfer Size 312.3 KB 311.4 KB 311.4 KB 312.3 KB 311.4 KB311.4 KB311.7 KB455 B0.14 %
CSS Transfer Size 28.1 KB 28.1 KB 28.1 KB 28.1 KB 28.1 KB28.1 KB28.1 KB0 b0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.0 KB 2.0 KB 2.0 KB 2.0 KB 2.0 KB2.0 KB2.0 KB0 b0.00 %
SVG Transfer Size 80.2 KB 86.3 KB 86.1 KB 80.2 KB 86.3 KB86.1 KB83.8 KB2.9 KB3.49 %
Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
HTML Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
JavaScript Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
CSS Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Image Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Font Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
SVG Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 64 66 66 64 66666511.50 %
First Party Total Transfer Size 1.3 MB 1.2 MB 1.2 MB 1.3 MB 1.2 MB1.2 MB1.3 MB35.9 KB2.77 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %