Metrics per run

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

Tested 2026-06-03 21:09:04 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 935 ms 435 ms 439 ms 439 ms 437 ms439 ms537 ms199 ms37.06 %
Largest Contentful Paint 2.819 s 2.288 s 2.305 s 2.448 s 1.695 s2.305 s2.311 s362 ms15.68 %
Timing metrics
First Paint 1.652 s 1.382 s 1.384 s 1.378 s 1.366 s1.382 s1.432 s110 ms7.68 %
Largest Contentful Paint 2.819 s 2.288 s 2.305 s 2.448 s 1.695 s2.305 s2.311 s362 ms15.68 %
Load Event End 2.903 s 2.526 s 2.580 s 2.680 s 2.499 s2.580 s2.638 s146 ms5.55 %
Server Response Time 617 ms 117 ms 117 ms 117 ms 116 ms117 ms217 ms200 ms92.30 %
TTFB 935 ms 435 ms 439 ms 439 ms 437 ms439 ms537 ms199 ms37.06 %
Page Load Time 2.903 s 2.526 s 2.579 s 2.679 s 2.499 s2.579 s2.637 s146 ms5.55 %
First Visual Change 1.700 s 1.433 s 1.433 s 1.433 s 1.400 s1.433 s1.480 s111 ms7.49 %
Last Visual Change 3.967 s 3.767 s 3.833 s 3.733 s 3.733 s3.767 s3.807 s88 ms2.31 %
Speed Index 1.996 s 1.685 s 1.714 s 1.673 s 1.600 s1.685 s1.734 s136 ms7.87 %
Visual Readiness 2.267 s 2.334 s 2.400 s 2.300 s 2.333 s2.333 s2.327 s44 ms1.90 %
Visual Complete 95 2.900 s 2.633 s 2.800 s 2.567 s 2.600 s2.633 s2.700 s128 ms4.75 %
Visual Complete 99 2.933 s 2.667 s 2.800 s 2.633 s 2.667 s2.667 s2.740 s112 ms4.10 %
CPU metrics
Browser metrics
CPU benchmark score 78 ms 77 ms 78 ms 77 ms 77 ms77 ms77 ms0 ms0.63 %
Page metrics
DOM elements 22223 22227 22223 22227 22227222272222520.01 %
Document height 50633 50637 50633 50637 50637506375063520.00 %
Total Requests 65 64 65 64 64646400.76 %
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 1.4 MB 1.3 MB 1.4 MB 1.4 MB1.4 MB1.3 MB32.8 KB2.41 %
HTML Transfer Size 264.6 KB 264.7 KB 264.7 KB 264.7 KB 264.7 KB264.7 KB264.7 KB15 B0.01 %
JavaScript Transfer Size 311.5 KB 312.4 KB 311.5 KB 312.4 KB 312.4 KB312.4 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 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 89.2 KB 82.4 KB 89.0 KB 82.4 KB 82.4 KB82.4 KB85.1 KB3.2 KB3.82 %
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 65 64 65 64 64646400.76 %
First Party Total Transfer Size 1.3 MB 1.4 MB 1.3 MB 1.4 MB 1.4 MB1.4 MB1.3 MB32.8 KB2.41 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %