Metrics per run

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

Tested 2025-02-20 17:58:18 using Chrome 133.0.6943.53 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 506 ms 490 ms 507 ms 490 ms 490 ms490 ms497 ms8 ms1.63 %
First Contentful Paint 1.052 s 1.056 s 1.084 s 1.044 s 1.028 s1.052 s1.053 s18 ms1.74 %
Largest Contentful Paint 1.052 s 1.056 s 1.084 s 1.044 s 1.028 s1.052 s1.053 s18 ms1.74 %
Total Blocking Time 18 ms 20 ms 19 ms 27 ms 17 ms19 ms20 ms4 ms17.54 %
Cumulative Layout Shift 0.031 0.031 0.031 0.031 0.0310.0310.03100.00 %
Timing metrics
First Paint 1.052 s 1.056 s 1.084 s 1.044 s 1.028 s1.052 s1.053 s18 ms1.74 %
First Contentful Paint 1.052 s 1.056 s 1.084 s 1.044 s 1.028 s1.052 s1.053 s18 ms1.74 %
Largest Contentful Paint 1.052 s 1.056 s 1.084 s 1.044 s 1.028 s1.052 s1.053 s18 ms1.74 %
Load Event End 1.947 s 1.934 s 1.963 s 1.964 s 1.964 s1.963 s1.954 s12 ms0.62 %
Server Response Time 415 ms 415 ms 416 ms 416 ms 416 ms416 ms416 ms0 ms0.12 %
TTFB 506 ms 490 ms 507 ms 490 ms 490 ms490 ms497 ms8 ms1.63 %
Page Load Time 1.946 s 1.934 s 1.963 s 1.964 s 1.964 s1.963 s1.954 s12 ms0.62 %
First Visual Change 1.066 s 1.033 s 1.066 s 1.033 s 1.033 s1.033 s1.046 s16 ms1.55 %
Last Visual Change 2.000 s 1.966 s 2.000 s 2.000 s 2.000 s2.000 s1.993 s14 ms0.68 %
Speed Index 1.178 s 1.146 s 1.179 s 1.151 s 1.149 s1.151 s1.161 s15 ms1.27 %
Visual Readiness 934 ms 933 ms 934 ms 967 ms 967 ms934 ms947 ms16 ms1.72 %
Visual Complete 95 2.000 s 1.966 s 2.000 s 2.000 s 2.000 s2.000 s1.993 s14 ms0.68 %
Visual Complete 99 2.000 s 1.966 s 2.000 s 2.000 s 2.000 s2.000 s1.993 s14 ms0.68 %
CPU metrics
Total Blocking Time 18 ms 20 ms 19 ms 27 ms 17 ms19 ms20 ms4 ms17.54 %
Max Potential FID 59 ms 62 ms 60 ms 77 ms 67 ms62 ms65 ms7 ms10.16 %
Number of Long Tasks 3 3 3 2 233018.84 %
Total Duration of Long Tasks 354 ms 358 ms 367 ms 322 ms 297 ms354 ms340 ms26 ms7.70 %
Browser metrics
CPU benchmark score 40 ms 40 ms 40 ms 40 ms 42 ms40 ms40 ms1 ms1.98 %
Page metrics
Cumulative Layout Shift 0.031 0.031 0.031 0.031 0.0310.0310.03100.00 %
DOM elements 8609 8609 8609 8609 86098609860900.00 %
Document height 32479 32479 32479 32479 32479324793247900.00 %
Total Requests 59 59 59 59 59595900.00 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 8 8 8 8 88800.00 %
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 833.5 KB 833.5 KB 833.5 KB 833.5 KB 833.5 KB833.5 KB833.5 KB4 B0.00 %
HTML Transfer Size 135.8 KB 135.8 KB 135.8 KB 135.8 KB 135.8 KB135.8 KB135.8 KB0 b0.00 %
JavaScript Transfer Size 279.6 KB 279.6 KB 279.6 KB 279.6 KB 279.6 KB279.6 KB279.6 KB1 B0.00 %
CSS Transfer Size 25.2 KB 25.2 KB 25.2 KB 25.2 KB 25.2 KB25.2 KB25.2 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 34.9 KB 34.9 KB 34.9 KB 34.9 KB 34.9 KB34.9 KB34.9 KB1 B0.00 %
Total Content Size 2.3 MB 2.3 MB 2.3 MB 2.3 MB 2.3 MB2.3 MB2.3 MB0 b0.00 %
HTML Content Size 746.3 KB 746.3 KB 746.3 KB 746.3 KB 746.3 KB746.3 KB746.3 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 181.5 KB 181.5 KB 181.5 KB 181.5 KB 181.5 KB181.5 KB181.5 KB0 b0.00 %
Image Content Size 335.5 KB 335.5 KB 335.5 KB 335.5 KB 335.5 KB335.5 KB335.5 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 40.0 KB 40.0 KB 40.0 KB 40.0 KB 40.0 KB40.0 KB40.0 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 59 59 59 59 59595900.00 %
First Party Total Transfer Size 833.5 KB 833.5 KB 833.5 KB 833.5 KB 833.5 KB833.5 KB833.5 KB4 B0.00 %
First Party Total Content Size 2.3 MB 2.3 MB 2.3 MB 2.3 MB 2.3 MB2.3 MB2.3 MB0 b0.00 %