Metrics per run

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

Tested 2026-06-21 00:51:39 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 416 ms 417 ms 416 ms 417 ms 416 ms416 ms416 ms0 ms0.12 %
Largest Contentful Paint 2.403 s 2.657 s 2.356 s 2.326 s 2.648 s2.403 s2.478 s145 ms5.84 %
Timing metrics
First Paint 1.333 s 1.370 s 1.311 s 1.379 s 1.467 s1.370 s1.372 s54 ms3.90 %
Largest Contentful Paint 2.403 s 2.657 s 2.356 s 2.326 s 2.648 s2.403 s2.478 s145 ms5.84 %
Load Event End 2.408 s 2.494 s 2.709 s 2.600 s 2.656 s2.600 s2.573 s109 ms4.24 %
Server Response Time 112 ms 112 ms 112 ms 112 ms 112 ms112 ms112 ms0 ms0.00 %
TTFB 416 ms 417 ms 416 ms 417 ms 416 ms416 ms416 ms0 ms0.12 %
Page Load Time 2.408 s 2.493 s 2.709 s 2.599 s 2.656 s2.599 s2.573 s109 ms4.25 %
First Visual Change 1.367 s 1.400 s 1.367 s 1.433 s 1.500 s1.400 s1.413 s50 ms3.52 %
Last Visual Change 3.900 s 3.800 s 3.967 s 4.067 s 4.067 s3.967 s3.960 s102 ms2.58 %
Speed Index 1.687 s 1.703 s 1.705 s 1.746 s 1.811 s1.705 s1.730 s45 ms2.59 %
Visual Readiness 2.533 s 2.400 s 2.600 s 2.634 s 2.567 s2.567 s2.547 s81 ms3.17 %
Visual Complete 95 2.900 s 2.800 s 2.933 s 3.000 s 3.034 s2.933 s2.933 s82 ms2.79 %
Visual Complete 99 2.900 s 2.800 s 2.933 s 3.000 s 3.034 s2.933 s2.933 s82 ms2.79 %
CPU metrics
Browser metrics
CPU benchmark score 79 ms 80 ms 77 ms 81 ms 77 ms79 ms79 ms2 ms2.03 %
Page metrics
DOM elements 22328 22328 22328 22328 22328223282232800.00 %
Document height 50848 50848 50848 50848 50848508485084800.00 %
Total Requests 66 66 66 67 66666600.60 %
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 MB3.3 KB0.24 %
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 311.5 KB 311.4 KB 311.4 KB 311.4 KB 311.8 KB311.4 KB311.5 KB181 B0.06 %
CSS Transfer Size 28.8 KB 28.8 KB 28.8 KB 28.8 KB 29.0 KB28.8 KB28.9 KB60 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 2.0 KB 2.0 KB 2.0 KB 2.1 KB2.0 KB2.0 KB30 B1.46 %
Plain Transfer Size 973 B 973 B 973 B 973 B 1.0 KB973 B988 B30 B3.04 %
SVG Transfer Size 89.2 KB 89.2 KB 89.2 KB 89.2 KB 90.5 KB89.2 KB89.4 KB540 B0.59 %
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 66 66 66 67 66666600.60 %
First Party Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB3.3 KB0.24 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %