Metrics per run

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

Tested 2026-06-03 10:32:07 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 407 ms 407 ms 408 ms 407 ms 406 ms407 ms407 ms1 ms0.16 %
Largest Contentful Paint 2.300 s 2.272 s 2.704 s 2.220 s 2.310 s2.300 s2.361 s174 ms7.38 %
Timing metrics
First Paint 1.418 s 1.407 s 1.398 s 1.455 s 1.443 s1.418 s1.424 s22 ms1.51 %
Largest Contentful Paint 2.300 s 2.272 s 2.704 s 2.220 s 2.310 s2.300 s2.361 s174 ms7.38 %
Load Event End 2.235 s 2.821 s 2.709 s 2.276 s 2.245 s2.276 s2.457 s254 ms10.34 %
Server Response Time 107 ms 108 ms 107 ms 106 ms 107 ms107 ms107 ms1 ms0.59 %
TTFB 407 ms 407 ms 408 ms 407 ms 406 ms407 ms407 ms1 ms0.16 %
Page Load Time 2.235 s 2.821 s 2.709 s 2.276 s 2.245 s2.276 s2.457 s254 ms10.34 %
First Visual Change 1.467 s 1.467 s 1.467 s 1.500 s 1.500 s1.467 s1.480 s16 ms1.09 %
Last Visual Change 4.400 s 4.533 s 4.433 s 4.433 s 4.333 s4.433 s4.426 s65 ms1.46 %
Speed Index 1.794 s 1.835 s 1.810 s 1.818 s 1.845 s1.818 s1.820 s18 ms0.99 %
Visual Readiness 2.933 s 3.066 s 2.966 s 2.933 s 2.833 s2.933 s2.946 s75 ms2.54 %
Visual Complete 95 3.167 s 3.467 s 3.300 s 3.200 s 3.267 s3.267 s3.280 s105 ms3.19 %
Visual Complete 99 3.200 s 3.467 s 3.333 s 3.233 s 3.267 s3.267 s3.300 s94 ms2.86 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 77 ms 77 ms 77 ms 78 ms77 ms77 ms0 ms0.52 %
Page metrics
DOM elements 22226 22222 22226 22226 22222222262222420.01 %
Document height 50617 50613 50617 50617 50613506175061520.00 %
Total Requests 64 66 64 64 66646511.51 %
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 1.5 MB 1.4 MB 1.5 MB 1.5 MB 1.4 MB1.5 MB1.4 MB33.2 KB2.27 %
HTML Transfer Size 264.6 KB 264.6 KB 264.6 KB 264.6 KB 264.6 KB264.6 KB264.6 KB0 b0.00 %
JavaScript Transfer Size 312.3 KB 311.4 KB 312.3 KB 312.3 KB 311.4 KB312.3 KB312.0 KB463 B0.14 %
CSS Transfer Size 28.1 KB 28.1 KB 28.1 KB 28.1 KB 28.1 KB28.1 KB28.1 KB1 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 80.4 KB 86.2 KB 80.4 KB 80.4 KB 86.2 KB80.4 KB82.7 KB2.9 KB3.47 %
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 64 64 66646511.51 %
First Party Total Transfer Size 1.5 MB 1.4 MB 1.5 MB 1.5 MB 1.4 MB1.5 MB1.4 MB33.2 KB2.27 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %