Metrics per run

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

Tested 2025-08-27 05:53:24 using Firefox 141.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 736 ms 513 ms 516 ms 552 ms 751 ms552 ms614 ms107 ms17.45 %
First Contentful Paint 1.185 s 1.084 s 1.084 s 965 ms 1.219 s1.084 s1.107 s89 ms8.06 %
Largest Contentful Paint 2.373 s 2.549 s 2.591 s 2.678 s 2.389 s2.549 s2.516 s118 ms4.69 %
Timing metrics
First Paint 1.523 s 1.413 s 1.429 s 1.279 s 1.546 s1.429 s1.438 s95 ms6.59 %
First Contentful Paint 1.185 s 1.084 s 1.084 s 965 ms 1.219 s1.084 s1.107 s89 ms8.06 %
Largest Contentful Paint 2.373 s 2.549 s 2.591 s 2.678 s 2.389 s2.549 s2.516 s118 ms4.69 %
Load Event End 3.751 s 3.394 s 3.563 s 3.136 s 3.557 s3.557 s3.480 s206 ms5.92 %
Server Response Time 233 ms 194 ms 196 ms 200 ms 237 ms200 ms212 ms19 ms8.92 %
TTFB 736 ms 513 ms 516 ms 552 ms 751 ms552 ms614 ms107 ms17.45 %
Page Load Time 3.751 s 3.393 s 3.562 s 3.136 s 3.557 s3.557 s3.480 s206 ms5.92 %
First Visual Change 1.566 s 1.467 s 1.467 s 1.333 s 1.633 s1.467 s1.493 s102 ms6.82 %
Last Visual Change 4.633 s 4.533 s 4.433 s 3.866 s 4.533 s4.533 s4.400 s274 ms6.23 %
Speed Index 1.698 s 1.600 s 1.601 s 1.488 s 1.756 s1.601 s1.629 s92 ms5.65 %
Visual Readiness 3.067 s 3.066 s 2.966 s 2.533 s 2.900 s2.966 s2.906 s197 ms6.78 %
Visual Complete 95 2.400 s 2.267 s 2.267 s 2.400 s 2.400 s2.400 s2.347 s65 ms2.78 %
Visual Complete 99 3.200 s 3.100 s 3.300 s 2.966 s 3.400 s3.200 s3.193 s151 ms4.74 %
CPU metrics
Browser metrics
CPU benchmark score 52 ms 52 ms 52 ms 52 ms 51 ms52 ms52 ms0 ms0.77 %
Page metrics
DOM elements 20877 20877 20877 20877 20877208772087700.00 %
Document height 45985 45985 45985 45985 45985459854598500.00 %
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 MB0 b0.00 %
HTML Transfer Size 243.8 KB 243.8 KB 243.8 KB 243.8 KB 243.8 KB243.8 KB243.8 KB0 b0.00 %
JavaScript Transfer Size 370.1 KB 370.1 KB 370.1 KB 370.1 KB 370.1 KB370.1 KB370.1 KB0 b0.00 %
CSS Transfer Size 27.2 KB 27.2 KB 27.2 KB 27.2 KB 27.2 KB27.2 KB27.2 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 33.0 KB 33.0 KB 33.0 KB 33.0 KB 33.0 KB33.0 KB33.0 KB1 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 MB0 b0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %