Metrics per run

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

Tested 2025-08-29 05:58:26 using Firefox 141.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 515 ms 572 ms 636 ms 518 ms 585 ms572 ms565 ms45 ms7.99 %
First Contentful Paint 1.084 s 1.050 s 1.236 s 1.066 s 1.185 s1.084 s1.124 s73 ms6.50 %
Largest Contentful Paint 2.653 s 2.274 s 2.373 s 2.540 s 2.712 s2.540 s2.510 s165 ms6.58 %
Timing metrics
First Paint 1.350 s 1.325 s 1.498 s 1.358 s 1.460 s1.358 s1.398 s68 ms4.86 %
First Contentful Paint 1.084 s 1.050 s 1.236 s 1.066 s 1.185 s1.084 s1.124 s73 ms6.50 %
Largest Contentful Paint 2.653 s 2.274 s 2.373 s 2.540 s 2.712 s2.540 s2.510 s165 ms6.58 %
Load Event End 2.991 s 3.083 s 3.341 s 2.753 s 2.846 s2.991 s3.003 s204 ms6.79 %
Server Response Time 194 ms 272 ms 194 ms 195 ms 194 ms194 ms210 ms31 ms14.82 %
TTFB 515 ms 572 ms 636 ms 518 ms 585 ms572 ms565 ms45 ms7.99 %
Page Load Time 2.990 s 3.083 s 3.341 s 2.752 s 2.845 s2.990 s3.002 s204 ms6.81 %
First Visual Change 1.400 s 1.400 s 1.566 s 1.400 s 1.533 s1.400 s1.460 s74 ms5.07 %
Last Visual Change 3.933 s 3.766 s 4.033 s 3.667 s 3.800 s3.800 s3.840 s129 ms3.35 %
Speed Index 1.559 s 1.527 s 1.685 s 1.534 s 1.683 s1.559 s1.598 s71 ms4.47 %
Visual Readiness 2.533 s 2.366 s 2.467 s 2.267 s 2.267 s2.366 s2.380 s107 ms4.47 %
Visual Complete 95 2.567 s 2.300 s 2.400 s 2.300 s 2.666 s2.400 s2.447 s147 ms6.00 %
Visual Complete 99 2.667 s 2.633 s 2.766 s 2.400 s 2.666 s2.666 s2.626 s122 ms4.63 %
CPU metrics
Browser metrics
CPU benchmark score 52 ms 53 ms 52 ms 51 ms 52 ms52 ms52 ms1 ms1.22 %
Page metrics
DOM elements 20855 20855 20855 20855 20855208552085500.00 %
Document height 45895 45895 45895 45895 45895458954589500.00 %
Total Requests 64 64 64 64 64646400.00 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 7 7 7 7 77700.00 %
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 MB540 B0.04 %
HTML Transfer Size 243.4 KB 243.4 KB 243.4 KB 243.4 KB 243.4 KB243.4 KB243.4 KB0 b0.00 %
JavaScript Transfer Size 368.3 KB 368.3 KB 368.3 KB 368.3 KB 368.3 KB368.3 KB368.3 KB1 B0.00 %
CSS Transfer Size 27.3 KB 27.3 KB 27.3 KB 27.3 KB 27.3 KB27.3 KB27.3 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 33.2 KB 33.2 KB 33.2 KB 33.2 KB 33.2 KB33.2 KB33.2 KB0 b0.00 %
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 64 64 64646400.00 %
First Party Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB540 B0.04 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %