Metrics per run

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

Tested 2026-06-20 09:41:07 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 416 ms 432 ms 417 ms 421 ms 418 ms418 ms421 ms6 ms1.39 %
Largest Contentful Paint 2.000 s 1.881 s 1.899 s 2.016 s 2.575 s2.000 s2.074 s256 ms12.34 %
Timing metrics
First Paint 1.429 s 1.471 s 1.342 s 1.384 s 1.385 s1.385 s1.402 s44 ms3.14 %
Largest Contentful Paint 2.000 s 1.881 s 1.899 s 2.016 s 2.575 s2.000 s2.074 s256 ms12.34 %
Load Event End 2.707 s 2.739 s 2.602 s 2.489 s 2.589 s2.602 s2.625 s89 ms3.41 %
Server Response Time 112 ms 112 ms 112 ms 113 ms 112 ms112 ms112 ms0 ms0.36 %
TTFB 416 ms 432 ms 417 ms 421 ms 418 ms418 ms421 ms6 ms1.39 %
Page Load Time 2.706 s 2.738 s 2.601 s 2.489 s 2.588 s2.601 s2.624 s89 ms3.40 %
First Visual Change 1.467 s 1.500 s 1.400 s 1.400 s 1.433 s1.433 s1.440 s39 ms2.70 %
Last Visual Change 4.167 s 4.033 s 4.067 s 4.167 s 4.000 s4.067 s4.087 s69 ms1.68 %
Speed Index 1.747 s 1.749 s 1.678 s 1.682 s 1.759 s1.747 s1.723 s35 ms2.05 %
Visual Readiness 2.700 s 2.533 s 2.667 s 2.767 s 2.567 s2.667 s2.647 s86 ms3.25 %
Visual Complete 95 3.100 s 3.000 s 3.033 s 3.034 s 2.967 s3.033 s3.027 s44 ms1.46 %
Visual Complete 99 3.100 s 3.000 s 3.033 s 3.034 s 2.967 s3.033 s3.027 s44 ms1.46 %
CPU metrics
Browser metrics
CPU benchmark score 79 ms 79 ms 78 ms 79 ms 78 ms79 ms79 ms0 ms0.62 %
Page metrics
DOM elements 22328 22328 22328 22328 22328223282232800.00 %
Document height 50848 50848 50848 50848 50848508485084800.00 %
Total Requests 67 67 67 66 66676700.74 %
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 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB918 B0.06 %
HTML Transfer Size 265.9 KB 265.9 KB 265.9 KB 265.9 KB 265.9 KB265.9 KB265.9 KB29 B0.01 %
JavaScript Transfer Size 311.2 KB 311.6 KB 311.6 KB 311.7 KB 311.6 KB311.6 KB311.6 KB191 B0.06 %
CSS Transfer Size 28.8 KB 29.0 KB 29.0 KB 29.0 KB 29.0 KB29.0 KB28.9 KB59 B0.20 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.0 KB 2.1 KB 2.1 KB 2.1 KB 2.1 KB2.1 KB2.0 KB29 B1.40 %
Plain Transfer Size 973 B 1.0 KB 1.0 KB 1.0 KB 1.0 KB1.0 KB1.0 KB29 B2.82 %
SVG Transfer Size 89.2 KB 90.5 KB 90.5 KB 90.5 KB 90.5 KB90.5 KB90.2 KB529 B0.57 %
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 66 66676700.74 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB918 B0.06 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %