Metrics per run

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

Tested 2025-08-28 20:31:34 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 487 ms 489 ms 505 ms 487 ms 488 ms488 ms491 ms7 ms1.41 %
First Contentful Paint 1.304 s 1.272 s 1.312 s 1.292 s 1.312 s1.304 s1.298 s15 ms1.16 %
Largest Contentful Paint 1.304 s 1.272 s 1.312 s 1.292 s 1.312 s1.304 s1.298 s15 ms1.16 %
Total Blocking Time 215 ms 241 ms 217 ms 218 ms 181 ms217 ms214 ms19 ms8.96 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.304 s 1.272 s 1.312 s 1.292 s 1.312 s1.304 s1.298 s15 ms1.16 %
First Contentful Paint 1.304 s 1.272 s 1.312 s 1.292 s 1.312 s1.304 s1.298 s15 ms1.16 %
Largest Contentful Paint 1.304 s 1.272 s 1.312 s 1.292 s 1.312 s1.304 s1.298 s15 ms1.16 %
Load Event End 2.001 s 2.736 s 2.020 s 2.008 s 2.003 s2.008 s2.154 s291 ms13.53 %
Server Response Time 519 ms 519 ms 517 ms 520 ms 517 ms519 ms518 ms1 ms0.23 %
TTFB 487 ms 489 ms 505 ms 487 ms 488 ms488 ms491 ms7 ms1.41 %
Page Load Time 2.001 s 2.735 s 2.020 s 2.008 s 2.003 s2.008 s2.153 s291 ms13.51 %
First Visual Change 1.300 s 1.266 s 1.300 s 1.300 s 1.300 s1.300 s1.293 s14 ms1.05 %
Last Visual Change 2.666 s 2.633 s 2.700 s 2.566 s 2.666 s2.666 s2.646 s45 ms1.71 %
Speed Index 1.336 s 1.299 s 1.333 s 1.331 s 1.336 s1.333 s1.327 s14 ms1.06 %
Visual Readiness 1.366 s 1.367 s 1.400 s 1.266 s 1.366 s1.366 s1.353 s45 ms3.36 %
Visual Complete 95 1.366 s 1.333 s 1.333 s 1.333 s 1.366 s1.333 s1.346 s16 ms1.20 %
Visual Complete 99 2.566 s 2.533 s 2.600 s 2.566 s 2.566 s2.566 s2.566 s21 ms0.83 %
CPU metrics
Total Blocking Time 215 ms 241 ms 217 ms 218 ms 181 ms217 ms214 ms19 ms8.96 %
Max Potential FID 141 ms 143 ms 134 ms 138 ms 156 ms141 ms142 ms7 ms5.23 %
Number of Long Tasks 6 6 6 6 56606.90 %
Total Duration of Long Tasks 852 ms 859 ms 852 ms 845 ms 780 ms852 ms838 ms29 ms3.48 %
Browser metrics
CPU benchmark score 33 ms 36 ms 33 ms 33 ms 34 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 20837 20838208382083800.00 %
Document height 41342 41342 41342 41342 41342413424134200.00 %
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 MB9 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 367.4 KB 367.4 KB 367.4 KB 367.4 KB 367.4 KB367.4 KB367.4 KB0 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 28.9 KB 28.9 KB 28.9 KB 28.9 KB 28.9 KB28.9 KB28.9 KB0 b0.00 %
Total Content Size 3.8 MB 3.8 MB 3.8 MB 3.8 MB 3.8 MB3.8 MB3.8 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 576.9 KB 576.9 KB 576.9 KB 576.9 KB 576.9 KB576.9 KB576.9 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 MB9 B0.00 %
First Party Total Content Size 3.8 MB 3.8 MB 3.8 MB 3.8 MB 3.8 MB3.8 MB3.8 MB0 b0.00 %