Metrics per run

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

Tested 2026-06-20 05:52:30 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 416 ms 420 ms 421 ms 418 ms 419 ms419 ms419 ms2 ms0.41 %
Largest Contentful Paint 2.322 s 2.260 s 2.308 s 2.375 s 2.458 s2.322 s2.345 s68 ms2.88 %
Timing metrics
First Paint 1.310 s 1.339 s 1.424 s 1.464 s 1.442 s1.424 s1.396 s60 ms4.32 %
Largest Contentful Paint 2.322 s 2.260 s 2.308 s 2.375 s 2.458 s2.322 s2.345 s68 ms2.88 %
Load Event End 2.508 s 2.528 s 2.958 s 2.303 s 2.666 s2.528 s2.593 s216 ms8.35 %
Server Response Time 112 ms 112 ms 112 ms 112 ms 112 ms112 ms112 ms0 ms0.00 %
TTFB 416 ms 420 ms 421 ms 418 ms 419 ms419 ms419 ms2 ms0.41 %
Page Load Time 2.507 s 2.527 s 2.958 s 2.303 s 2.665 s2.527 s2.592 s216 ms8.35 %
First Visual Change 1.367 s 1.400 s 1.467 s 1.500 s 1.467 s1.467 s1.440 s49 ms3.40 %
Last Visual Change 4.067 s 3.934 s 4.067 s 4.100 s 3.967 s4.067 s4.027 s64 ms1.60 %
Speed Index 1.705 s 1.719 s 1.790 s 1.814 s 1.791 s1.790 s1.764 s43 ms2.46 %
Visual Readiness 2.700 s 2.534 s 2.600 s 2.600 s 2.500 s2.600 s2.587 s69 ms2.65 %
Visual Complete 95 2.933 s 2.934 s 3.100 s 3.034 s 2.933 s2.934 s2.987 s69 ms2.30 %
Visual Complete 99 2.933 s 2.934 s 3.100 s 3.034 s 2.933 s2.934 s2.987 s69 ms2.30 %
CPU metrics
Browser metrics
CPU benchmark score 80 ms 80 ms 76 ms 79 ms 79 ms79 ms79 ms1 ms1.87 %
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 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB928 B0.06 %
HTML Transfer Size 265.9 KB 265.9 KB 265.9 KB 265.9 KB 265.9 KB265.9 KB265.9 KB30 B0.01 %
JavaScript Transfer Size 311.2 KB 311.6 KB 311.6 KB 311.7 KB 311.7 KB311.6 KB311.6 KB179 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 KB2.1 KB30 B1.41 %
Plain Transfer Size 973 B 1.0 KB 1.0 KB 1.0 KB 1.0 KB1.0 KB1.0 KB30 B2.87 %
SVG Transfer Size 89.2 KB 90.5 KB 90.5 KB 90.5 KB 90.5 KB90.5 KB90.2 KB533 B0.58 %
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 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB928 B0.06 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %