Metrics per run

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

Tested 2026-03-28 01:26:26 using Firefox 148.0.2 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 445 ms 426 ms 426 ms 426 ms 409 ms426 ms426 ms11 ms2.67 %
First Contentful Paint 1.244 s 1.255 s 1.259 s 1.235 s 1.258 s1.255 s1.250 s9 ms0.74 %
Largest Contentful Paint 1.850 s 2.288 s 2.209 s 2.227 s 2.135 s2.209 s2.142 s154 ms7.18 %
Timing metrics
First Paint 1.243 s 1.254 s 1.258 s 1.235 s 1.258 s1.254 s1.250 s9 ms0.73 %
First Contentful Paint 1.244 s 1.255 s 1.259 s 1.235 s 1.258 s1.255 s1.250 s9 ms0.74 %
Largest Contentful Paint 1.850 s 2.288 s 2.209 s 2.227 s 2.135 s2.209 s2.142 s154 ms7.18 %
Load Event End 2.356 s 2.560 s 2.533 s 2.340 s 2.477 s2.477 s2.453 s90 ms3.67 %
Server Response Time 104 ms 105 ms 104 ms 102 ms 104 ms104 ms104 ms1 ms0.94 %
TTFB 445 ms 426 ms 426 ms 426 ms 409 ms426 ms426 ms11 ms2.67 %
Page Load Time 2.355 s 2.559 s 2.532 s 2.340 s 2.476 s2.476 s2.452 s90 ms3.66 %
First Visual Change 1.300 s 1.333 s 1.333 s 1.300 s 1.333 s1.333 s1.320 s16 ms1.22 %
Last Visual Change 3.767 s 3.733 s 3.600 s 3.700 s 3.866 s3.733 s3.733 s87 ms2.32 %
Speed Index 1.378 s 1.463 s 1.439 s 1.425 s 1.442 s1.439 s1.429 s28 ms1.99 %
Visual Readiness 2.467 s 2.400 s 2.267 s 2.400 s 2.533 s2.400 s2.413 s88 ms3.66 %
Visual Complete 95 1.767 s 2.300 s 1.966 s 2.100 s 1.966 s1.966 s2.020 s176 ms8.71 %
Visual Complete 99 2.400 s 2.766 s 2.566 s 2.366 s 2.500 s2.500 s2.520 s142 ms5.64 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 77 ms 80 ms 76 ms 80 ms77 ms78 ms2 ms2.15 %
Page metrics
DOM elements 21565 21565 21565 21565 21565215652156500.00 %
Document height 47533 47533 47533 47533 47533475334753300.00 %
Total Requests 63 63 63 63 63636300.00 %
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 MB2 B0.00 %
HTML Transfer Size 254.2 KB 254.2 KB 254.2 KB 254.2 KB 254.2 KB254.2 KB254.2 KB0 b0.00 %
JavaScript Transfer Size 308.0 KB 308.0 KB 308.0 KB 308.0 KB 308.0 KB308.0 KB308.0 KB0 b0.00 %
CSS Transfer Size 27.8 KB 27.8 KB 27.8 KB 27.8 KB 27.8 KB27.8 KB27.8 KB0 b0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.0 KB 2.0 KB 2.0 KB 2.0 KB 2.0 KB2.0 KB2.0 KB0 b0.00 %
Plain Transfer Size 973 B 973 B 973 B 973 B 973 B973 B973 B0 b0.00 %
SVG Transfer Size 80.5 KB 80.5 KB 80.5 KB 80.5 KB 80.5 KB80.5 KB80.5 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 %
Plain 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 63 63 63 63 63636300.00 %
First Party Total Transfer Size 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB2 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %