Metrics per run

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

Tested 2025-08-30 06:05:22 using Firefox 141.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 626 ms 654 ms 620 ms 615 ms 513 ms620 ms606 ms48 ms7.96 %
First Contentful Paint 1.169 s 1.305 s 1.169 s 1.203 s 1.083 s1.169 s1.186 s72 ms6.04 %
Largest Contentful Paint 2.305 s 2.119 s 2.759 s 2.678 s 2.877 s2.678 s2.548 s287 ms11.28 %
Timing metrics
First Paint 1.447 s 1.580 s 1.445 s 1.484 s 1.349 s1.447 s1.461 s74 ms5.09 %
First Contentful Paint 1.169 s 1.305 s 1.169 s 1.203 s 1.083 s1.169 s1.186 s72 ms6.04 %
Largest Contentful Paint 2.305 s 2.119 s 2.759 s 2.678 s 2.877 s2.678 s2.548 s287 ms11.28 %
Load Event End 3.366 s 3.259 s 3.548 s 3.152 s 2.882 s3.259 s3.241 s222 ms6.86 %
Server Response Time 232 ms 247 ms 228 ms 195 ms 194 ms228 ms219 ms21 ms9.64 %
TTFB 626 ms 654 ms 620 ms 615 ms 513 ms620 ms606 ms48 ms7.96 %
Page Load Time 3.365 s 3.258 s 3.548 s 3.152 s 2.881 s3.258 s3.241 s222 ms6.86 %
First Visual Change 1.500 s 1.633 s 1.500 s 1.533 s 1.400 s1.500 s1.513 s75 ms4.94 %
Last Visual Change 4.133 s 4.300 s 4.100 s 4.300 s 3.967 s4.133 s4.160 s127 ms3.06 %
Speed Index 1.623 s 1.698 s 1.623 s 1.698 s 1.549 s1.623 s1.638 s56 ms3.41 %
Visual Readiness 2.633 s 2.667 s 2.600 s 2.767 s 2.567 s2.633 s2.647 s69 ms2.60 %
Visual Complete 95 2.267 s 2.033 s 2.267 s 2.633 s 2.400 s2.267 s2.320 s196 ms8.45 %
Visual Complete 99 3.000 s 3.167 s 3.100 s 3.167 s 2.867 s3.100 s3.060 s114 ms3.74 %
CPU metrics
Browser metrics
CPU benchmark score 52 ms 51 ms 53 ms 52 ms 52 ms52 ms52 ms1 ms1.22 %
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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB3 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 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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB3 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %