Metrics per run

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

Tested 2026-06-23 20:40:50 using Chrome 149.0.7827.53 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 403 ms 404 ms 403 ms 401 ms 403 ms403 ms403 ms1 ms0.24 %
Largest Contentful Paint 1.048 s 1.020 s 1.040 s 1.048 s 1.028 s1.040 s1.037 s11 ms1.07 %
Total Blocking Time 5 ms 5 ms 1 ms 1 ms 6 ms5 ms4 ms2 ms59.84 %
Cumulative Layout Shift 0.032 0.032 0.032 0.032 0.0320.0320.03200.00 %
Timing metrics
First Paint 1.048 s 1.020 s 1.040 s 1.048 s 1.028 s1.040 s1.037 s11 ms1.07 %
Largest Contentful Paint 1.048 s 1.020 s 1.040 s 1.048 s 1.028 s1.040 s1.037 s11 ms1.07 %
Load Event End 2.015 s 2.033 s 1.995 s 2.018 s 1.994 s2.015 s2.011 s15 ms0.74 %
Server Response Time 405 ms 406 ms 406 ms 406 ms 406 ms406 ms406 ms0 ms0.10 %
TTFB 403 ms 404 ms 403 ms 401 ms 403 ms403 ms403 ms1 ms0.24 %
Page Load Time 2.014 s 2.032 s 1.994 s 2.017 s 1.993 s2.014 s2.010 s15 ms0.74 %
First Visual Change 1.033 s 1.033 s 1.033 s 1.033 s 1.000 s1.033 s1.026 s13 ms1.29 %
Last Visual Change 2.066 s 2.066 s 2.033 s 2.066 s 2.033 s2.066 s2.053 s16 ms0.79 %
Speed Index 1.161 s 1.162 s 1.159 s 1.161 s 1.129 s1.161 s1.154 s13 ms1.10 %
Visual Readiness 1.033 s 1.033 s 1.000 s 1.033 s 1.033 s1.033 s1.026 s13 ms1.29 %
Visual Complete 95 2.066 s 2.066 s 2.033 s 2.066 s 2.033 s2.066 s2.053 s16 ms0.79 %
Visual Complete 99 2.066 s 2.066 s 2.033 s 2.066 s 2.033 s2.066 s2.053 s16 ms0.79 %
CPU metrics
Total Blocking Time 5 ms 5 ms 1 ms 1 ms 6 ms5 ms4 ms2 ms59.84 %
Max Potential FID 54 ms 55 ms 51 ms 51 ms 56 ms54 ms53 ms2 ms3.86 %
Number of Long Tasks 3 2 2 2 222018.18 %
Total Duration of Long Tasks 352 ms 301 ms 293 ms 295 ms 295 ms295 ms307 ms23 ms7.34 %
Browser metrics
CPU benchmark score 42 ms 44 ms 36 ms 34 ms 34 ms36 ms38 ms4 ms11.04 %
Page metrics
Cumulative Layout Shift 0.032 0.032 0.032 0.032 0.0320.0320.03200.00 %
DOM elements 8562 8562 8562 8562 85628562856200.00 %
Document height 26923 26923 26923 26923 26923269232692300.00 %
Total Requests 61 61 61 61 61616100.00 %
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 886.9 KB 889.0 KB 886.9 KB 886.9 KB 886.9 KB886.9 KB887.3 KB860 B0.09 %
HTML Transfer Size 128.0 KB 128.1 KB 128.0 KB 128.0 KB 128.0 KB128.0 KB128.0 KB29 B0.02 %
JavaScript Transfer Size 314.4 KB 314.8 KB 314.4 KB 314.4 KB 314.4 KB314.4 KB314.5 KB170 B0.05 %
CSS Transfer Size 27.3 KB 27.4 KB 27.3 KB 27.3 KB 27.3 KB27.3 KB27.3 KB58 B0.21 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.8 KB 1.9 KB 1.8 KB 1.8 KB 1.8 KB1.8 KB1.8 KB29 B1.56 %
Plain Transfer Size 881 B 953 B 881 B 881 B 881 B881 B895 B29 B3.22 %
SVG Transfer Size 85.8 KB 87.1 KB 85.8 KB 85.8 KB 85.8 KB85.8 KB86.0 KB547 B0.62 %
Total Content Size 2.5 MB 2.5 MB 2.5 MB 2.5 MB 2.5 MB2.5 MB2.5 MB0 b0.00 %
HTML Content Size 699.3 KB 699.3 KB 699.3 KB 699.3 KB 699.3 KB699.3 KB699.3 KB0 b0.00 %
JavaScript Content Size 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB0 b0.00 %
CSS Content Size 201.0 KB 201.0 KB 201.0 KB 201.0 KB 201.0 KB201.0 KB201.0 KB0 b0.00 %
Image Content Size 285.6 KB 285.6 KB 285.6 KB 285.6 KB 285.6 KB285.6 KB285.6 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 %
Plain Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
SVG Content Size 160.7 KB 160.7 KB 160.7 KB 160.7 KB 160.7 KB160.7 KB160.7 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 61 61 61 61 61616100.00 %
First Party Total Transfer Size 886.9 KB 889.0 KB 886.9 KB 886.9 KB 886.9 KB886.9 KB887.3 KB860 B0.09 %
First Party Total Content Size 2.5 MB 2.5 MB 2.5 MB 2.5 MB 2.5 MB2.5 MB2.5 MB0 b0.00 %