Metrics per run

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

Tested 2025-08-31 03:16:52 using Firefox 141.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 702 ms 515 ms 512 ms 495 ms 512 ms512 ms547 ms78 ms14.20 %
First Contentful Paint 1.169 s 1.067 s 932 ms 1.016 s 983 ms1.016 s1.033 s81 ms7.82 %
Largest Contentful Paint 2.424 s 2.356 s 2.289 s 2.679 s 2.627 s2.424 s2.475 s152 ms6.16 %
Timing metrics
First Paint 1.449 s 1.346 s 1.192 s 1.294 s 1.258 s1.294 s1.308 s87 ms6.62 %
First Contentful Paint 1.169 s 1.067 s 932 ms 1.016 s 983 ms1.016 s1.033 s81 ms7.82 %
Largest Contentful Paint 2.424 s 2.356 s 2.289 s 2.679 s 2.627 s2.424 s2.475 s152 ms6.16 %
Load Event End 3.194 s 2.925 s 2.767 s 2.901 s 2.866 s2.901 s2.931 s142 ms4.86 %
Server Response Time 301 ms 194 ms 195 ms 194 ms 192 ms194 ms215 ms43 ms19.94 %
TTFB 702 ms 515 ms 512 ms 495 ms 512 ms512 ms547 ms78 ms14.20 %
Page Load Time 3.193 s 2.925 s 2.767 s 2.901 s 2.865 s2.901 s2.930 s142 ms4.85 %
First Visual Change 1.500 s 1.367 s 1.267 s 1.333 s 1.300 s1.333 s1.353 s81 ms5.95 %
Last Visual Change 4.000 s 4.133 s 3.900 s 3.800 s 3.733 s3.900 s3.913 s142 ms3.64 %
Speed Index 1.639 s 1.514 s 1.401 s 1.523 s 1.486 s1.514 s1.513 s76 ms5.06 %
Visual Readiness 2.500 s 2.766 s 2.633 s 2.467 s 2.433 s2.500 s2.560 s123 ms4.82 %
Visual Complete 95 2.400 s 2.333 s 2.267 s 2.700 s 2.633 s2.400 s2.467 s170 ms6.89 %
Visual Complete 99 2.933 s 2.700 s 2.800 s 2.800 s 2.767 s2.800 s2.800 s76 ms2.71 %
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 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 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB20.0 KB1.56 %
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 KB1 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 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB20.0 KB1.56 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %