Metrics per run

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

Tested 2026-06-02 16:52:46 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 408 ms 407 ms 407 ms 407 ms 406 ms407 ms407 ms1 ms0.16 %
Largest Contentful Paint 2.034 s 2.102 s 2.102 s 2.067 s 2.119 s2.102 s2.085 s31 ms1.46 %
Timing metrics
First Paint 1.430 s 1.413 s 1.428 s 1.455 s 1.456 s1.430 s1.436 s17 ms1.16 %
Largest Contentful Paint 2.034 s 2.102 s 2.102 s 2.067 s 2.119 s2.102 s2.085 s31 ms1.46 %
Load Event End 2.120 s 2.146 s 2.179 s 2.179 s 2.190 s2.179 s2.163 s26 ms1.20 %
Server Response Time 107 ms 107 ms 107 ms 107 ms 106 ms107 ms107 ms0 ms0.37 %
TTFB 408 ms 407 ms 407 ms 407 ms 406 ms407 ms407 ms1 ms0.16 %
Page Load Time 2.120 s 2.146 s 2.179 s 2.179 s 2.190 s2.179 s2.163 s26 ms1.20 %
First Visual Change 1.500 s 1.467 s 1.467 s 1.500 s 1.500 s1.500 s1.487 s16 ms1.09 %
Last Visual Change 4.033 s 4.300 s 4.333 s 4.367 s 4.333 s4.333 s4.273 s122 ms2.85 %
Speed Index 1.781 s 1.790 s 1.811 s 1.838 s 1.829 s1.811 s1.810 s22 ms1.21 %
Visual Readiness 2.533 s 2.833 s 2.866 s 2.867 s 2.833 s2.833 s2.786 s128 ms4.58 %
Visual Complete 95 3.000 s 3.200 s 3.333 s 3.367 s 3.267 s3.267 s3.233 s130 ms4.02 %
Visual Complete 99 3.000 s 3.233 s 3.333 s 3.367 s 3.267 s3.267 s3.240 s129 ms3.98 %
CPU metrics
Browser metrics
CPU benchmark score 79 ms 80 ms 80 ms 77 ms 76 ms79 ms78 ms2 ms2.07 %
Page metrics
DOM elements 22222 22226 22222 22222 22222222222222320.01 %
Document height 50613 50617 50613 50613 50613506135061420.00 %
Total Requests 66 64 65 65 66656511.15 %
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 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB26.8 KB2.02 %
HTML Transfer Size 264.6 KB 264.6 KB 264.6 KB 264.6 KB 264.7 KB264.6 KB264.6 KB30 B0.01 %
JavaScript Transfer Size 311.4 KB 312.3 KB 311.4 KB 311.4 KB 311.9 KB311.4 KB311.7 KB374 B0.12 %
CSS Transfer Size 28.1 KB 28.1 KB 28.1 KB 28.1 KB 28.2 KB28.1 KB28.1 KB59 B0.21 %
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 2.1 KB2.0 KB2.0 KB30 B1.44 %
SVG Transfer Size 86.1 KB 80.2 KB 86.1 KB 86.1 KB 87.6 KB86.1 KB85.2 KB2.6 KB3.00 %
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 66 64 65 65 66656511.15 %
First Party Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB26.8 KB2.02 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %