Metrics per run

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

Tested 2026-06-06 13:11:56 using Firefox 150.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 410 ms 406 ms 408 ms 406 ms 407 ms407 ms407 ms1 ms0.37 %
Largest Contentful Paint 2.203 s 2.290 s 2.499 s 2.340 s 2.417 s2.340 s2.350 s102 ms4.34 %
Timing metrics
First Paint 1.405 s 1.415 s 1.367 s 1.375 s 1.389 s1.389 s1.390 s18 ms1.29 %
Largest Contentful Paint 2.203 s 2.290 s 2.499 s 2.340 s 2.417 s2.340 s2.350 s102 ms4.34 %
Load Event End 2.646 s 2.225 s 2.196 s 2.798 s 2.637 s2.637 s2.500 s244 ms9.75 %
Server Response Time 107 ms 107 ms 107 ms 107 ms 107 ms107 ms107 ms0 ms0.00 %
TTFB 410 ms 406 ms 408 ms 406 ms 407 ms407 ms407 ms1 ms0.37 %
Page Load Time 2.646 s 2.225 s 2.195 s 2.798 s 2.636 s2.636 s2.500 s244 ms9.75 %
First Visual Change 1.433 s 1.467 s 1.400 s 1.433 s 1.433 s1.433 s1.433 s21 ms1.48 %
Last Visual Change 4.100 s 4.033 s 3.667 s 3.900 s 3.967 s3.967 s3.933 s149 ms3.79 %
Speed Index 1.764 s 1.768 s 1.666 s 1.741 s 1.741 s1.741 s1.736 s37 ms2.12 %
Visual Readiness 2.667 s 2.566 s 2.267 s 2.467 s 2.534 s2.534 s2.500 s133 ms5.33 %
Visual Complete 95 3.100 s 2.933 s 2.600 s 2.900 s 2.933 s2.933 s2.893 s162 ms5.61 %
Visual Complete 99 3.100 s 2.967 s 2.600 s 2.900 s 2.933 s2.933 s2.900 s165 ms5.68 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 77 ms 77 ms 83 ms 77 ms77 ms78 ms2 ms3.07 %
Page metrics
DOM elements 22242 22242 22242 22242 22242222422224200.00 %
Document height 50658 50659 50658 50659 50659506595065900.00 %
Total Requests 66 66 66 66 65666600.61 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 8 8 8 8 88800.00 %
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 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB228 B0.02 %
HTML Transfer Size 265.0 KB 265.0 KB 265.0 KB 265.0 KB 265.0 KB265.0 KB265.0 KB0 b0.00 %
JavaScript Transfer Size 311.0 KB 311.0 KB 311.0 KB 311.0 KB 311.0 KB311.0 KB311.0 KB0 b0.00 %
CSS Transfer Size 28.1 KB 28.1 KB 28.1 KB 28.1 KB 28.1 KB28.1 KB28.1 KB1 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 %
SVG Transfer Size 88.8 KB 88.8 KB 89.0 KB 88.8 KB 88.8 KB88.8 KB88.9 KB76 B0.08 %
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 66 66 66 66 65666600.61 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB228 B0.02 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %