Metrics per run

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

Tested 2026-06-01 05:33:35 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 706 ms 407 ms 408 ms 407 ms 405 ms407 ms467 ms120 ms25.65 %
Largest Contentful Paint 1.932 s 2.305 s 2.429 s 2.353 s 2.221 s2.305 s2.248 s172 ms7.64 %
Timing metrics
First Paint 1.379 s 1.330 s 1.255 s 1.329 s 1.331 s1.330 s1.325 s40 ms3.00 %
Largest Contentful Paint 1.932 s 2.305 s 2.429 s 2.353 s 2.221 s2.305 s2.248 s172 ms7.64 %
Load Event End 2.707 s 2.494 s 2.247 s 2.457 s 2.413 s2.457 s2.464 s148 ms6.01 %
Server Response Time 406 ms 107 ms 107 ms 107 ms 107 ms107 ms167 ms120 ms71.70 %
TTFB 706 ms 407 ms 408 ms 407 ms 405 ms407 ms467 ms120 ms25.65 %
Page Load Time 2.707 s 2.494 s 2.247 s 2.456 s 2.413 s2.456 s2.463 s148 ms6.01 %
First Visual Change 1.433 s 1.367 s 1.300 s 1.367 s 1.400 s1.367 s1.373 s44 ms3.21 %
Last Visual Change 4.100 s 3.833 s 3.600 s 3.767 s 3.767 s3.767 s3.813 s163 ms4.27 %
Speed Index 1.673 s 1.641 s 1.581 s 1.625 s 1.689 s1.641 s1.642 s38 ms2.31 %
Visual Readiness 2.667 s 2.466 s 2.300 s 2.400 s 2.367 s2.400 s2.440 s125 ms5.14 %
Visual Complete 95 2.800 s 2.733 s 2.533 s 2.633 s 2.767 s2.733 s2.693 s98 ms3.63 %
Visual Complete 99 3.033 s 2.833 s 2.533 s 2.700 s 2.767 s2.767 s2.773 s164 ms5.91 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 79 ms 81 ms 78 ms 81 ms79 ms79 ms2 ms2.02 %
Page metrics
DOM elements 22203 22203 22199 22203 22199222032220120.01 %
Document height 50540 50540 50535 50540 50535505405053820.00 %
Total Requests 64 64 66 64 66646511.51 %
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 MB32.6 KB2.28 %
HTML Transfer Size 264.2 KB 264.2 KB 264.2 KB 264.2 KB 264.2 KB264.2 KB264.2 KB15 B0.01 %
JavaScript Transfer Size 312.3 KB 312.3 KB 311.4 KB 312.3 KB 311.4 KB312.3 KB312.0 KB455 B0.14 %
CSS Transfer Size 28.1 KB 28.1 KB 28.1 KB 28.1 KB 28.1 KB28.1 KB28.1 KB1 B0.00 %
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 2.0 KB2.0 KB2.0 KB0 b0.00 %
SVG Transfer Size 80.2 KB 80.2 KB 86.1 KB 80.2 KB 86.1 KB80.2 KB82.6 KB2.9 KB3.47 %
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 64 64 66 64 66646511.51 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB32.6 KB2.28 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %