Metrics per run

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

Tested 2025-08-28 05:29:26 using Chrome 138.0.7204.168 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 485 ms 503 ms 485 ms 504 ms 503 ms503 ms496 ms9 ms1.81 %
First Contentful Paint 1.272 s 1.300 s 1.272 s 1.292 s 1.308 s1.292 s1.289 s15 ms1.13 %
Largest Contentful Paint 1.272 s 1.300 s 1.272 s 1.292 s 1.308 s1.292 s1.289 s15 ms1.13 %
Total Blocking Time 239 ms 206 ms 255 ms 240 ms 240 ms240 ms236 ms16 ms6.84 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.272 s 1.300 s 1.272 s 1.292 s 1.308 s1.292 s1.289 s15 ms1.13 %
First Contentful Paint 1.272 s 1.300 s 1.272 s 1.292 s 1.308 s1.292 s1.289 s15 ms1.13 %
Largest Contentful Paint 1.272 s 1.300 s 1.272 s 1.292 s 1.308 s1.292 s1.289 s15 ms1.13 %
Load Event End 2.006 s 2.687 s 2.004 s 2.027 s 2.024 s2.024 s2.150 s269 ms12.51 %
Server Response Time 520 ms 519 ms 519 ms 519 ms 519 ms519 ms519 ms0 ms0.08 %
TTFB 485 ms 503 ms 485 ms 504 ms 503 ms503 ms496 ms9 ms1.81 %
Page Load Time 2.006 s 2.686 s 2.004 s 2.027 s 2.024 s2.024 s2.149 s268 ms12.49 %
First Visual Change 1.266 s 1.266 s 1.266 s 1.266 s 1.300 s1.266 s1.273 s14 ms1.07 %
Last Visual Change 2.566 s 2.600 s 2.600 s 2.600 s 2.700 s2.600 s2.613 s45 ms1.74 %
Speed Index 1.302 s 1.304 s 1.302 s 1.302 s 1.334 s1.302 s1.309 s13 ms0.96 %
Visual Readiness 1.300 s 1.334 s 1.334 s 1.334 s 1.400 s1.334 s1.340 s33 ms2.43 %
Visual Complete 95 1.333 s 1.366 s 1.333 s 1.333 s 1.400 s1.333 s1.353 s27 ms1.98 %
Visual Complete 99 2.533 s 2.500 s 2.533 s 2.566 s 2.600 s2.533 s2.546 s34 ms1.33 %
CPU metrics
Total Blocking Time 239 ms 206 ms 255 ms 240 ms 240 ms240 ms236 ms16 ms6.84 %
Max Potential FID 145 ms 134 ms 145 ms 136 ms 153 ms145 ms143 ms7 ms4.83 %
Number of Long Tasks 5 6 5 6 66608.75 %
Total Duration of Long Tasks 799 ms 819 ms 818 ms 855 ms 869 ms819 ms832 ms26 ms3.11 %
Browser metrics
CPU benchmark score 34 ms 33 ms 33 ms 36 ms 34 ms34 ms34 ms1 ms3.22 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 20856 20857 20856 20856 20857208562085600.00 %
Document height 41393 41393 41393 41393 41393413934139300.00 %
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 MB745 B0.06 %
HTML Transfer Size 243.5 KB 243.5 KB 243.5 KB 243.5 KB 243.5 KB243.5 KB243.5 KB0 b0.00 %
JavaScript Transfer Size 367.1 KB 367.1 KB 367.1 KB 367.1 KB 367.1 KB367.1 KB367.1 KB0 b0.00 %
CSS Transfer Size 26.8 KB 26.8 KB 26.8 KB 26.8 KB 26.8 KB26.8 KB26.8 KB1 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 KB1 B0.00 %
Total Content Size 3.8 MB 3.8 MB 3.8 MB 3.8 MB 3.8 MB3.8 MB3.8 MB719 B0.02 %
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 577.7 KB 577.7 KB 577.7 KB 577.7 KB 579.5 KB577.7 KB578.1 KB719 B0.12 %
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 MB745 B0.06 %
First Party Total Content Size 3.8 MB 3.8 MB 3.8 MB 3.8 MB 3.8 MB3.8 MB3.8 MB719 B0.02 %