Metrics per run

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

Tested 2025-08-29 17:36:27 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 486 ms 504 ms 486 ms 486 ms 488 ms486 ms490 ms7 ms1.44 %
First Contentful Paint 1.276 s 1.316 s 1.284 s 1.272 s 1.288 s1.284 s1.287 s15 ms1.20 %
Largest Contentful Paint 1.276 s 1.316 s 1.284 s 1.272 s 1.288 s1.284 s1.287 s15 ms1.20 %
Total Blocking Time 222 ms 242 ms 237 ms 246 ms 216 ms237 ms233 ms12 ms5.00 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.276 s 1.316 s 1.284 s 1.272 s 1.288 s1.284 s1.287 s15 ms1.20 %
First Contentful Paint 1.276 s 1.316 s 1.284 s 1.272 s 1.288 s1.284 s1.287 s15 ms1.20 %
Largest Contentful Paint 1.276 s 1.316 s 1.284 s 1.272 s 1.288 s1.284 s1.287 s15 ms1.20 %
Load Event End 1.953 s 1.981 s 1.956 s 1.978 s 1.959 s1.959 s1.965 s12 ms0.60 %
Server Response Time 517 ms 519 ms 520 ms 522 ms 520 ms520 ms520 ms2 ms0.31 %
TTFB 486 ms 504 ms 486 ms 486 ms 488 ms486 ms490 ms7 ms1.44 %
Page Load Time 1.953 s 1.981 s 1.956 s 1.978 s 1.959 s1.959 s1.965 s12 ms0.60 %
First Visual Change 1.266 s 1.300 s 1.300 s 1.266 s 1.300 s1.300 s1.286 s17 ms1.29 %
Last Visual Change 2.633 s 2.666 s 2.633 s 2.666 s 2.633 s2.633 s2.646 s16 ms0.61 %
Speed Index 1.302 s 1.332 s 1.331 s 1.301 s 1.331 s1.331 s1.319 s15 ms1.11 %
Visual Readiness 1.367 s 1.366 s 1.333 s 1.400 s 1.333 s1.366 s1.360 s25 ms1.84 %
Visual Complete 95 1.333 s 1.333 s 1.333 s 1.333 s 1.333 s1.333 s1.333 s0 ms0.00 %
Visual Complete 99 2.533 s 2.566 s 2.533 s 2.566 s 2.533 s2.533 s2.546 s16 ms0.63 %
CPU metrics
Total Blocking Time 222 ms 242 ms 237 ms 246 ms 216 ms237 ms233 ms12 ms5.00 %
Max Potential FID 145 ms 150 ms 147 ms 159 ms 140 ms147 ms148 ms6 ms4.25 %
Number of Long Tasks 6 6 6 6 66600.00 %
Total Duration of Long Tasks 842 ms 879 ms 864 ms 863 ms 837 ms863 ms857 ms15 ms1.80 %
Browser metrics
CPU benchmark score 33 ms 34 ms 33 ms 34 ms 33 ms33 ms33 ms0 ms1.47 %
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 MB3.0 KB0.24 %
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 369.5 KB 369.6 KB 369.6 KB 369.6 KB 369.6 KB369.6 KB369.6 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 3.8 MB 3.8 MB 3.8 MB 3.8 MB 3.8 MB3.8 MB3.8 MB3.0 KB0.08 %
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 522.1 KB 522.1 KB 516.0 KB 516.0 KB 516.0 KB516.0 KB518.4 KB3.0 KB0.57 %
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 MB3.0 KB0.24 %
First Party Total Content Size 3.8 MB 3.8 MB 3.8 MB 3.8 MB 3.8 MB3.8 MB3.8 MB3.0 KB0.08 %