Metrics per run

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

Tested 2026-06-18 19:34:35 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 418 ms 417 ms 420 ms 444 ms 421 ms420 ms424 ms10 ms2.38 %
Largest Contentful Paint 2.526 s 2.425 s 2.237 s 2.702 s 2.152 s2.425 s2.408 s198 ms8.21 %
Timing metrics
First Paint 1.357 s 1.351 s 1.440 s 1.419 s 1.532 s1.419 s1.420 s66 ms4.64 %
Largest Contentful Paint 2.526 s 2.425 s 2.237 s 2.702 s 2.152 s2.425 s2.408 s198 ms8.21 %
Load Event End 2.532 s 2.766 s 2.852 s 2.708 s 2.261 s2.708 s2.624 s209 ms7.98 %
Server Response Time 112 ms 112 ms 112 ms 112 ms 112 ms112 ms112 ms0 ms0.00 %
TTFB 418 ms 417 ms 420 ms 444 ms 421 ms420 ms424 ms10 ms2.38 %
Page Load Time 2.532 s 2.766 s 2.852 s 2.708 s 2.261 s2.708 s2.624 s209 ms7.98 %
First Visual Change 1.400 s 1.400 s 1.467 s 1.467 s 1.567 s1.467 s1.460 s61 ms4.19 %
Last Visual Change 4.067 s 4.200 s 4.367 s 4.433 s 4.433 s4.367 s4.300 s144 ms3.36 %
Speed Index 1.773 s 1.777 s 1.837 s 1.855 s 1.903 s1.837 s1.829 s49 ms2.68 %
Visual Readiness 2.667 s 2.800 s 2.900 s 2.966 s 2.866 s2.866 s2.840 s102 ms3.58 %
Visual Complete 95 3.067 s 3.167 s 3.367 s 3.367 s 3.333 s3.333 s3.260 s122 ms3.73 %
Visual Complete 99 3.067 s 3.167 s 3.367 s 3.367 s 3.333 s3.333 s3.260 s122 ms3.73 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 77 ms 77 ms 80 ms 78 ms77 ms78 ms1 ms1.50 %
Page metrics
DOM elements 22287 22287 22287 22287 22287222872228700.00 %
Document height 50822 50822 50822 50822 50822508225082200.00 %
Total Requests 67 67 67 67 67676700.00 %
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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB1.5 KB0.11 %
HTML Transfer Size 265.4 KB 265.4 KB 265.4 KB 265.4 KB 265.4 KB265.4 KB265.4 KB36 B0.01 %
JavaScript Transfer Size 311.3 KB 311.7 KB 311.3 KB 311.7 KB 311.3 KB311.3 KB311.5 KB217 B0.07 %
CSS Transfer Size 28.8 KB 29.0 KB 28.8 KB 29.0 KB 28.8 KB28.8 KB28.9 KB73 B0.25 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.0 KB 2.1 KB 2.0 KB 2.1 KB 2.0 KB2.0 KB2.0 KB36 B1.75 %
Plain Transfer Size 973 B 1.0 KB 973 B 1.0 KB 973 B973 B1003 B36 B3.62 %
SVG Transfer Size 89.5 KB 90.8 KB 89.5 KB 90.7 KB 89.3 KB89.5 KB89.9 KB687 B0.75 %
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 67 67 67 67 67676700.00 %
First Party Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB1.5 KB0.11 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %