Metrics per run

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

Tested 2025-08-30 17:46:44 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 489 ms 487 ms 487 ms 504 ms 488 ms488 ms491 ms7 ms1.33 %
First Contentful Paint 1.292 s 1.308 s 1.280 s 1.324 s 1.284 s1.292 s1.298 s16 ms1.26 %
Largest Contentful Paint 1.292 s 1.308 s 1.280 s 1.324 s 1.284 s1.292 s1.298 s16 ms1.26 %
Total Blocking Time 239 ms 209 ms 215 ms 236 ms 217 ms217 ms223 ms12 ms5.38 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.292 s 1.308 s 1.280 s 1.324 s 1.284 s1.292 s1.298 s16 ms1.26 %
First Contentful Paint 1.292 s 1.308 s 1.280 s 1.324 s 1.284 s1.292 s1.298 s16 ms1.26 %
Largest Contentful Paint 1.292 s 1.308 s 1.280 s 1.324 s 1.284 s1.292 s1.298 s16 ms1.26 %
Load Event End 1.949 s 1.951 s 1.953 s 1.964 s 1.945 s1.951 s1.952 s6 ms0.33 %
Server Response Time 519 ms 523 ms 519 ms 519 ms 518 ms519 ms520 ms2 ms0.34 %
TTFB 489 ms 487 ms 487 ms 504 ms 488 ms488 ms491 ms7 ms1.33 %
Page Load Time 1.949 s 1.951 s 1.953 s 1.964 s 1.945 s1.951 s1.952 s6 ms0.33 %
First Visual Change 1.300 s 1.300 s 1.266 s 1.333 s 1.300 s1.300 s1.300 s21 ms1.63 %
Last Visual Change 2.666 s 2.600 s 2.600 s 2.633 s 2.600 s2.600 s2.620 s26 ms1.01 %
Speed Index 1.332 s 1.335 s 1.302 s 1.363 s 1.330 s1.332 s1.332 s19 ms1.45 %
Visual Readiness 1.366 s 1.300 s 1.334 s 1.300 s 1.300 s1.300 s1.320 s27 ms2.01 %
Visual Complete 95 1.333 s 1.366 s 1.333 s 1.366 s 1.333 s1.333 s1.346 s16 ms1.20 %
Visual Complete 99 2.566 s 2.500 s 2.533 s 2.533 s 2.500 s2.533 s2.526 s25 ms0.98 %
CPU metrics
Total Blocking Time 239 ms 209 ms 215 ms 236 ms 217 ms217 ms223 ms12 ms5.38 %
Max Potential FID 141 ms 139 ms 136 ms 142 ms 142 ms141 ms140 ms2 ms1.63 %
Number of Long Tasks 6 6 6 6 66600.00 %
Total Duration of Long Tasks 863 ms 847 ms 837 ms 882 ms 839 ms847 ms854 ms17 ms1.98 %
Browser metrics
CPU benchmark score 34 ms 36 ms 33 ms 33 ms 33 ms33 ms34 ms1 ms3.45 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 20838 20838 20838 20838 20838208382083800.00 %
Document height 41368 41368 41368 41368 41368413684136800.00 %
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 MB6 B0.00 %
HTML Transfer Size 243.1 KB 243.1 KB 243.1 KB 243.1 KB 243.1 KB243.1 KB243.1 KB0 b0.00 %
JavaScript Transfer Size 369.3 KB 369.3 KB 369.3 KB 369.3 KB 369.3 KB369.3 KB369.3 KB1 B0.00 %
CSS Transfer Size 26.9 KB 26.9 KB 26.9 KB 26.9 KB 26.9 KB26.9 KB26.9 KB0 b0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.7 KB 1.7 KB 1.7 KB 1.7 KB 1.7 KB1.7 KB1.7 KB0 b0.00 %
SVG Transfer Size 28.6 KB 28.6 KB 28.6 KB 28.6 KB 28.6 KB28.6 KB28.6 KB0 b0.00 %
Total Content Size 3.7 MB 3.7 MB 3.7 MB 3.7 MB 3.7 MB3.7 MB3.7 MB0 b0.00 %
HTML Content Size 1.5 MB 1.5 MB 1.5 MB 1.5 MB 1.5 MB1.5 MB1.5 MB0 b0.00 %
JavaScript Content Size 1.6 MB 1.6 MB 1.6 MB 1.6 MB 1.6 MB1.6 MB1.6 MB0 b0.00 %
CSS Content Size 190.9 KB 190.9 KB 190.9 KB 190.9 KB 190.9 KB190.9 KB190.9 KB0 b0.00 %
Image Content Size 511.0 KB 511.0 KB 511.0 KB 511.0 KB 511.0 KB511.0 KB511.0 KB0 b0.00 %
Font Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Content Size 2.7 KB 2.7 KB 2.7 KB 2.7 KB 2.7 KB2.7 KB2.7 KB0 b0.00 %
SVG Content Size 23.7 KB 23.7 KB 23.7 KB 23.7 KB 23.7 KB23.7 KB23.7 KB0 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 MB6 B0.00 %
First Party Total Content Size 3.7 MB 3.7 MB 3.7 MB 3.7 MB 3.7 MB3.7 MB3.7 MB0 b0.00 %