Metrics per run

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

Tested 2026-06-22 18:39:34 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 419 ms 416 ms 435 ms 417 ms 418 ms418 ms421 ms7 ms1.68 %
Largest Contentful Paint 2.434 s 1.498 s 2.374 s 2.421 s 2.356 s2.374 s2.217 s360 ms16.26 %
Timing metrics
First Paint 1.387 s 1.470 s 1.440 s 1.413 s 1.447 s1.440 s1.431 s29 ms2.00 %
Largest Contentful Paint 2.434 s 1.498 s 2.374 s 2.421 s 2.356 s2.374 s2.217 s360 ms16.26 %
Load Event End 2.592 s 2.562 s 2.540 s 2.712 s 2.537 s2.562 s2.589 s65 ms2.50 %
Server Response Time 112 ms 112 ms 112 ms 112 ms 112 ms112 ms112 ms0 ms0.00 %
TTFB 419 ms 416 ms 435 ms 417 ms 418 ms418 ms421 ms7 ms1.68 %
Page Load Time 2.592 s 2.561 s 2.539 s 2.712 s 2.537 s2.561 s2.588 s65 ms2.51 %
First Visual Change 1.433 s 1.500 s 1.467 s 1.467 s 1.500 s1.467 s1.473 s25 ms1.70 %
Last Visual Change 4.033 s 3.967 s 4.067 s 4.033 s 4.100 s4.033 s4.040 s44 ms1.09 %
Speed Index 1.755 s 1.733 s 1.791 s 1.801 s 1.806 s1.791 s1.777 s28 ms1.60 %
Visual Readiness 2.600 s 2.467 s 2.600 s 2.566 s 2.600 s2.600 s2.567 s52 ms2.01 %
Visual Complete 95 2.967 s 2.967 s 3.000 s 3.000 s 2.967 s2.967 s2.980 s16 ms0.54 %
Visual Complete 99 2.967 s 2.967 s 3.000 s 3.000 s 2.967 s2.967 s2.980 s16 ms0.54 %
CPU metrics
Browser metrics
CPU benchmark score 79 ms 80 ms 80 ms 79 ms 78 ms79 ms79 ms1 ms0.94 %
Page metrics
DOM elements 22328 22328 22328 22328 22328223282232800.00 %
Document height 50848 50848 50848 50848 50848508485084800.00 %
Total Requests 67 67 67 67 67676700.00 %
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 MB1.1 KB0.08 %
HTML Transfer Size 265.9 KB 265.9 KB 265.8 KB 265.8 KB 265.9 KB265.9 KB265.9 KB36 B0.01 %
JavaScript Transfer Size 311.6 KB 311.6 KB 311.2 KB 311.2 KB 311.6 KB311.6 KB311.4 KB219 B0.07 %
CSS Transfer Size 29.0 KB 29.0 KB 28.8 KB 28.8 KB 29.0 KB29.0 KB28.9 KB74 B0.25 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.1 KB 2.1 KB 2.0 KB 2.0 KB 2.1 KB2.1 KB2.0 KB36 B1.75 %
Plain Transfer Size 1.0 KB 1.0 KB 973 B 973 B 1.0 KB1.0 KB1018 B36 B3.58 %
SVG Transfer Size 90.5 KB 90.5 KB 89.2 KB 89.2 KB 90.5 KB90.5 KB90.0 KB656 B0.71 %
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 %
Plain 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 67 67 67 67 67676700.00 %
First Party Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB1.1 KB0.08 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %