Metrics per run

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

Tested 2025-08-26 05:24:02 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 487 ms 611 ms 487 ms 486 ms 503 ms487 ms515 ms49 ms9.42 %
First Contentful Paint 1.292 s 1.420 s 1.288 s 1.292 s 1.312 s1.292 s1.321 s50 ms3.81 %
Largest Contentful Paint 1.292 s 1.420 s 1.288 s 1.292 s 1.312 s1.292 s1.321 s50 ms3.81 %
Total Blocking Time 253 ms 264 ms 231 ms 236 ms 232 ms236 ms243 ms13 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 1.420 s 1.288 s 1.292 s 1.312 s1.292 s1.321 s50 ms3.81 %
First Contentful Paint 1.292 s 1.420 s 1.288 s 1.292 s 1.312 s1.292 s1.321 s50 ms3.81 %
Largest Contentful Paint 1.292 s 1.420 s 1.288 s 1.292 s 1.312 s1.292 s1.321 s50 ms3.81 %
Load Event End 2.021 s 2.148 s 2.020 s 2.032 s 2.047 s2.032 s2.054 s48 ms2.35 %
Server Response Time 517 ms 519 ms 517 ms 518 ms 519 ms518 ms518 ms1 ms0.17 %
TTFB 487 ms 611 ms 487 ms 486 ms 503 ms487 ms515 ms49 ms9.42 %
Page Load Time 2.021 s 2.148 s 2.020 s 2.032 s 2.047 s2.032 s2.054 s48 ms2.35 %
First Visual Change 1.300 s 1.433 s 1.300 s 1.266 s 1.300 s1.300 s1.320 s58 ms4.40 %
Last Visual Change 2.600 s 2.833 s 2.700 s 2.600 s 2.600 s2.600 s2.667 s92 ms3.44 %
Speed Index 1.331 s 1.465 s 1.332 s 1.303 s 1.331 s1.331 s1.352 s57 ms4.24 %
Visual Readiness 1.300 s 1.400 s 1.400 s 1.334 s 1.300 s1.334 s1.347 s45 ms3.35 %
Visual Complete 95 1.333 s 1.466 s 1.333 s 1.333 s 1.333 s1.333 s1.360 s53 ms3.91 %
Visual Complete 99 2.566 s 2.733 s 2.600 s 2.566 s 2.566 s2.566 s2.606 s65 ms2.48 %
CPU metrics
Total Blocking Time 253 ms 264 ms 231 ms 236 ms 232 ms236 ms243 ms13 ms5.38 %
Max Potential FID 156 ms 155 ms 142 ms 142 ms 142 ms142 ms147 ms7 ms4.49 %
Number of Long Tasks 6 6 6 5 56608.75 %
Total Duration of Long Tasks 883 ms 894 ms 856 ms 820 ms 820 ms856 ms855 ms31 ms3.61 %
Browser metrics
CPU benchmark score 33 ms 33 ms 33 ms 33 ms 36 ms33 ms34 ms1 ms3.57 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 20835 20836 20836 20835 20835208352083500.00 %
Document height 41316 41316 41316 41316 41316413164131600.00 %
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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB2.1 KB0.16 %
HTML Transfer Size 243.0 KB 243.0 KB 243.0 KB 243.0 KB 243.0 KB243.0 KB243.0 KB0 b0.00 %
JavaScript Transfer Size 369.2 KB 369.2 KB 369.2 KB 369.2 KB 369.2 KB369.2 KB369.2 KB0 b0.00 %
CSS Transfer Size 26.8 KB 26.8 KB 26.8 KB 26.8 KB 26.8 KB26.8 KB26.8 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 MB2.1 KB0.05 %
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 190.3 KB 190.3 KB 190.3 KB 190.3 KB 190.3 KB190.3 KB190.3 KB0 b0.00 %
Image Content Size 595.1 KB 595.1 KB 595.1 KB 599.4 KB 599.4 KB595.1 KB596.8 KB2.1 KB0.35 %
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 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB2.1 KB0.16 %
First Party Total Content Size 3.8 MB 3.8 MB 3.8 MB 3.8 MB 3.8 MB3.8 MB3.8 MB2.1 KB0.05 %