Metrics per run

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

Tested 2025-04-27 04:08:49 using Chrome 135.0.7049.52 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 489 ms 488 ms 487 ms 488 ms 505 ms488 ms491 ms7 ms1.39 %
First Contentful Paint 1.096 s 1.068 s 1.040 s 1.060 s 1.084 s1.068 s1.070 s19 ms1.81 %
Largest Contentful Paint 1.096 s 1.068 s 1.040 s 1.060 s 1.084 s1.068 s1.070 s19 ms1.81 %
Total Blocking Time 26 ms 18 ms 28 ms 11 ms 27 ms26 ms22 ms7 ms29.74 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.096 s 1.068 s 1.040 s 1.060 s 1.084 s1.068 s1.070 s19 ms1.81 %
First Contentful Paint 1.096 s 1.068 s 1.040 s 1.060 s 1.084 s1.068 s1.070 s19 ms1.81 %
Largest Contentful Paint 1.096 s 1.068 s 1.040 s 1.060 s 1.084 s1.068 s1.070 s19 ms1.81 %
Load Event End 2.139 s 2.121 s 2.071 s 2.113 s 2.111 s2.113 s2.111 s22 ms1.06 %
Server Response Time 417 ms 417 ms 416 ms 417 ms 417 ms417 ms417 ms0 ms0.10 %
TTFB 489 ms 488 ms 487 ms 488 ms 505 ms488 ms491 ms7 ms1.39 %
Page Load Time 2.138 s 2.120 s 2.070 s 2.113 s 2.110 s2.113 s2.110 s22 ms1.06 %
First Visual Change 1.066 s 1.066 s 1.033 s 1.066 s 1.066 s1.066 s1.059 s13 ms1.25 %
Last Visual Change 1.866 s 1.866 s 1.800 s 1.866 s 1.833 s1.866 s1.846 s26 ms1.43 %
Speed Index 1.083 s 1.083 s 1.049 s 1.083 s 1.083 s1.083 s1.076 s14 ms1.26 %
Visual Readiness 800 ms 800 ms 767 ms 800 ms 767 ms800 ms787 ms16 ms2.05 %
Visual Complete 95 1.066 s 1.066 s 1.033 s 1.066 s 1.066 s1.066 s1.059 s13 ms1.25 %
Visual Complete 99 1.800 s 1.833 s 1.733 s 1.733 s 1.766 s1.766 s1.773 s39 ms2.20 %
CPU metrics
Total Blocking Time 26 ms 18 ms 28 ms 11 ms 27 ms26 ms22 ms7 ms29.74 %
Max Potential FID 64 ms 68 ms 64 ms 61 ms 64 ms64 ms64 ms2 ms3.47 %
Number of Long Tasks 3 2 4 2 333126.73 %
Total Duration of Long Tasks 388 ms 330 ms 421 ms 321 ms 376 ms376 ms367 ms37 ms10.13 %
Browser metrics
CPU benchmark score 40 ms 40 ms 39 ms 39 ms 40 ms40 ms40 ms0 ms1.24 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 8913 8913 8913 8913 89138913891300.00 %
Document height 32892 32892 32892 32892 32892328923289200.00 %
Total Requests 56 56 56 56 56565600.00 %
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 828.2 KB 828.2 KB 828.2 KB 828.2 KB 828.2 KB828.2 KB828.2 KB5 B0.00 %
HTML Transfer Size 138.0 KB 138.0 KB 138.0 KB 138.0 KB 138.0 KB138.0 KB138.0 KB0 b0.00 %
JavaScript Transfer Size 288.5 KB 288.5 KB 288.5 KB 288.5 KB 288.5 KB288.5 KB288.5 KB1 B0.00 %
CSS Transfer Size 25.4 KB 25.4 KB 25.4 KB 25.4 KB 25.4 KB25.4 KB25.4 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 28.8 KB 28.8 KB 28.8 KB 28.8 KB 28.8 KB28.8 KB28.8 KB0 b0.00 %
Total Content Size 2.4 MB 2.4 MB 2.4 MB 2.4 MB 2.4 MB2.4 MB2.4 MB0 b0.00 %
HTML Content Size 763.0 KB 763.0 KB 763.0 KB 763.0 KB 763.0 KB763.0 KB763.0 KB0 b0.00 %
JavaScript Content Size 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB0 b0.00 %
CSS Content Size 183.3 KB 183.3 KB 183.3 KB 183.3 KB 183.3 KB183.3 KB183.3 KB0 b0.00 %
Image Content Size 327.6 KB 327.6 KB 327.6 KB 327.6 KB 327.6 KB327.6 KB327.6 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 23.8 KB 23.8 KB 23.8 KB 23.8 KB 23.8 KB23.8 KB23.8 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 56 56 56 56 56565600.00 %
First Party Total Transfer Size 828.2 KB 828.2 KB 828.2 KB 828.2 KB 828.2 KB828.2 KB828.2 KB5 B0.00 %
First Party Total Content Size 2.4 MB 2.4 MB 2.4 MB 2.4 MB 2.4 MB2.4 MB2.4 MB0 b0.00 %