Metrics per run

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

Tested 2025-02-20 18:29:16 using Firefox 135.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 496 ms 499 ms 513 ms 528 ms 512 ms512 ms510 ms11 ms2.24 %
First Contentful Paint 948 ms 948 ms 966 ms 983 ms 965 ms965 ms962 ms13 ms1.36 %
Largest Contentful Paint 2.491 s 2.509 s 2.390 s 2.525 s 2.560 s2.509 s2.495 s57 ms2.29 %
Timing metrics
First Paint 1.222 s 1.230 s 1.245 s 1.266 s 1.253 s1.245 s1.243 s16 ms1.27 %
First Contentful Paint 948 ms 948 ms 966 ms 983 ms 965 ms965 ms962 ms13 ms1.36 %
Largest Contentful Paint 2.491 s 2.509 s 2.390 s 2.525 s 2.560 s2.509 s2.495 s57 ms2.29 %
Load Event End 2.477 s 2.269 s 2.389 s 2.288 s 2.300 s2.300 s2.345 s78 ms3.33 %
Server Response Time 195 ms 195 ms 195 ms 208 ms 194 ms195 ms197 ms5 ms2.69 %
TTFB 496 ms 499 ms 513 ms 528 ms 512 ms512 ms510 ms11 ms2.24 %
Page Load Time 2.476 s 2.269 s 2.389 s 2.288 s 2.299 s2.299 s2.344 s78 ms3.32 %
First Visual Change 1.333 s 1.333 s 1.333 s 1.366 s 1.366 s1.333 s1.346 s16 ms1.20 %
Last Visual Change 3.433 s 3.500 s 3.433 s 3.533 s 3.533 s3.500 s3.486 s45 ms1.30 %
Speed Index 1.562 s 1.550 s 1.549 s 1.582 s 1.579 s1.562 s1.564 s14 ms0.89 %
Visual Readiness 2.100 s 2.167 s 2.100 s 2.167 s 2.167 s2.167 s2.140 s33 ms1.53 %
Visual Complete 95 2.466 s 2.500 s 2.366 s 2.533 s 2.566 s2.500 s2.486 s69 ms2.76 %
Visual Complete 99 2.500 s 2.533 s 2.400 s 2.533 s 2.566 s2.533 s2.506 s57 ms2.28 %
CPU metrics
Browser metrics
CPU benchmark score 76 ms 77 ms 76 ms 76 ms 76 ms76 ms76 ms0 ms0.52 %
Page metrics
DOM elements 22562 22562 22562 22562 22562225622256200.00 %
Document height 51857 51857 51857 51857 51857518575185700.00 %
Total Requests 69 69 70 69 69696900.58 %
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 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB1.4 KB0.12 %
HTML Transfer Size 266.1 KB 266.1 KB 266.1 KB 266.1 KB 266.1 KB266.1 KB266.1 KB0 b0.00 %
JavaScript Transfer Size 283.9 KB 283.9 KB 283.9 KB 283.9 KB 283.9 KB283.9 KB283.9 KB0 b0.00 %
CSS Transfer Size 26.4 KB 26.4 KB 26.4 KB 26.4 KB 26.4 KB26.4 KB26.4 KB1 B0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.9 KB 1.9 KB 1.9 KB 1.9 KB 1.9 KB1.9 KB1.9 KB0 b0.00 %
SVG Transfer Size 39.3 KB 39.3 KB 39.3 KB 39.3 KB 39.3 KB39.3 KB39.3 KB2 B0.01 %
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 69 69 70 69 69696900.58 %
First Party Total Transfer Size 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB1.4 KB0.12 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %