Metrics per run

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

Tested 2025-08-30 18:12:26 using Firefox 141.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 584 ms 514 ms 516 ms 514 ms 763 ms516 ms578 ms96 ms16.64 %
First Contentful Paint 1.169 s 1.050 s 948 ms 1.050 s 1.322 s1.050 s1.108 s128 ms11.55 %
Largest Contentful Paint 2.345 s 2.646 s 2.795 s 2.645 s 2.920 s2.646 s2.670 s192 ms7.20 %
Timing metrics
First Paint 1.443 s 1.340 s 1.253 s 1.329 s 1.603 s1.340 s1.394 s121 ms8.68 %
First Contentful Paint 1.169 s 1.050 s 948 ms 1.050 s 1.322 s1.050 s1.108 s128 ms11.55 %
Largest Contentful Paint 2.345 s 2.646 s 2.795 s 2.645 s 2.920 s2.646 s2.670 s192 ms7.20 %
Load Event End 2.881 s 2.928 s 3.008 s 3.039 s 3.140 s3.008 s2.999 s90 ms3.00 %
Server Response Time 193 ms 194 ms 194 ms 194 ms 269 ms194 ms209 ms30 ms14.42 %
TTFB 584 ms 514 ms 516 ms 514 ms 763 ms516 ms578 ms96 ms16.64 %
Page Load Time 2.880 s 2.928 s 3.008 s 3.039 s 3.139 s3.008 s2.999 s90 ms3.00 %
First Visual Change 1.500 s 1.367 s 1.300 s 1.367 s 1.666 s1.367 s1.440 s130 ms9.05 %
Last Visual Change 4.033 s 4.067 s 3.933 s 3.967 s 4.066 s4.033 s4.013 s54 ms1.35 %
Speed Index 1.580 s 1.543 s 1.486 s 1.543 s 1.848 s1.543 s1.600 s128 ms7.97 %
Visual Readiness 2.533 s 2.700 s 2.633 s 2.600 s 2.400 s2.600 s2.573 s102 ms3.96 %
Visual Complete 95 2.100 s 2.600 s 2.633 s 2.600 s 2.966 s2.600 s2.580 s277 ms10.73 %
Visual Complete 99 2.700 s 2.733 s 2.633 s 2.833 s 3.100 s2.733 s2.800 s163 ms5.84 %
CPU metrics
Browser metrics
CPU benchmark score 53 ms 54 ms 52 ms 52 ms 52 ms52 ms53 ms1 ms1.52 %
Page metrics
DOM elements 20837 20837 20837 20837 20837208372083700.00 %
Document height 45841 45841 45841 45841 45841458414584100.00 %
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 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB0 b0.00 %
HTML Transfer Size 243.3 KB 243.3 KB 243.3 KB 243.3 KB 243.3 KB243.3 KB243.3 KB0 b0.00 %
JavaScript Transfer Size 370.2 KB 370.2 KB 370.2 KB 370.2 KB 370.2 KB370.2 KB370.2 KB0 b0.00 %
CSS Transfer Size 27.3 KB 27.3 KB 27.3 KB 27.3 KB 27.3 KB27.3 KB27.3 KB0 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 32.9 KB 32.9 KB 32.9 KB 32.9 KB 32.9 KB32.9 KB32.9 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 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB0 b0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %