Metrics per run

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

Tested 2025-10-27 01:02:08 using Chrome 141.0.7390.107 (runtime settings).

Side by side

Metric1234567MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 487 ms 488 ms 506 ms 488 ms 504 ms 487 ms 486 ms488 ms492 ms8 ms1.64 %
First Contentful Paint 1.028 s 1.048 s 1.060 s 1.068 s 1.068 s 1.028 s 1.028 s1.048 s1.047 s17 ms1.67 %
Largest Contentful Paint 1.028 s 1.048 s 1.060 s 1.068 s 1.068 s 1.028 s 1.028 s1.048 s1.047 s17 ms1.67 %
Interaction to Next Paint 528 ms 544 ms 536 ms 568 ms 552 ms 528 ms 528 ms536 ms541 ms14 ms2.61 %
Total Blocking Time 33 ms 25 ms 32 ms 24 ms 17 ms 20 ms 34 ms25 ms26 ms6 ms23.49 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.028 s 1.048 s 1.060 s 1.068 s 1.068 s 1.028 s 1.028 s1.048 s1.047 s17 ms1.67 %
First Contentful Paint 1.028 s 1.048 s 1.060 s 1.068 s 1.068 s 1.028 s 1.028 s1.048 s1.047 s17 ms1.67 %
Largest Contentful Paint 1.028 s 1.048 s 1.060 s 1.068 s 1.068 s 1.028 s 1.028 s1.048 s1.047 s17 ms1.67 %
Load Event End 2.004 s 2.034 s 2.040 s 2.123 s 2.002 s 2.014 s 1.977 s2.014 s2.028 s44 ms2.15 %
Server Response Time 408 ms 409 ms 408 ms 409 ms 409 ms 409 ms 409 ms409 ms409 ms0 ms0.11 %
TTFB 487 ms 488 ms 506 ms 488 ms 504 ms 487 ms 486 ms488 ms492 ms8 ms1.64 %
Page Load Time 2.003 s 2.033 s 2.039 s 2.123 s 2.001 s 2.013 s 1.976 s2.013 s2.027 s44 ms2.16 %
First Visual Change 1.000 s 1.033 s 1.033 s 1.033 s 1.033 s 1.033 s 1.000 s1.033 s1.024 s15 ms1.46 %
Last Visual Change 1.833 s 1.833 s 1.866 s 1.833 s 1.833 s 1.833 s 1.800 s1.833 s1.833 s18 ms0.96 %
Speed Index 1.018 s 1.049 s 1.049 s 1.049 s 1.049 s 1.049 s 1.017 s1.049 s1.040 s14 ms1.37 %
Visual Readiness 833 ms 800 ms 833 ms 800 ms 800 ms 800 ms 800 ms800 ms809 ms15 ms1.84 %
Visual Complete 95 1.000 s 1.033 s 1.033 s 1.033 s 1.033 s 1.033 s 1.000 s1.033 s1.024 s15 ms1.46 %
Visual Complete 99 1.733 s 1.733 s 1.700 s 1.733 s 1.733 s 1.666 s 1.666 s1.733 s1.709 s29 ms1.72 %
CPU metrics
Total Blocking Time 33 ms 25 ms 32 ms 24 ms 17 ms 20 ms 34 ms25 ms26 ms6 ms23.49 %
Max Potential FID 73 ms 68 ms 71 ms 71 ms 62 ms 69 ms 68 ms69 ms69 ms3 ms4.75 %
Number of Long Tasks 3 3 3 3 3 3 33300.00 %
Total Duration of Long Tasks 359 ms 377 ms 374 ms 372 ms 356 ms 356 ms 359 ms359 ms365 ms9 ms2.33 %
Browser metrics
CPU benchmark score 33 ms 34 ms 33 ms 33 ms 33 ms 36 ms 33 ms33 ms34 ms1 ms3.13 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 8603 8603 8603 8603 8603 8603 86038603860300.00 %
Document height 30475 30475 30475 30475 30475 30475 30475304753047500.00 %
Total Requests 55 55 77 55 55 55 555558813.24 %
HTML Requests 1 1 1 1 1 1 11100.00 %
JavaScript Requests 7 7 8 7 7 7 77704.90 %
CSS Requests 2 2 2 2 2 2 22200.00 %
Font Requests 0 0 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0 0 0000N/A
Total Transfer Size 703.2 KB 703.2 KB 723.6 KB 703.2 KB 703.2 KB 703.2 KB 700.8 KB703.2 KB705.8 KB7.3 KB1.04 %
HTML Transfer Size 128.7 KB 128.7 KB 128.7 KB 128.7 KB 128.7 KB 128.7 KB 128.7 KB128.7 KB128.7 KB0 b0.00 %
JavaScript Transfer Size 287.5 KB 287.5 KB 290.6 KB 287.5 KB 287.5 KB 287.5 KB 287.5 KB287.5 KB287.9 KB1.1 KB0.38 %
CSS Transfer Size 26.2 KB 26.2 KB 26.2 KB 26.2 KB 26.2 KB 26.2 KB 26.2 KB26.2 KB26.2 KB1 B0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.8 KB 1.8 KB 1.8 KB 1.8 KB 1.8 KB 1.8 KB 1.8 KB1.8 KB1.8 KB0 b0.00 %
SVG Transfer Size 31.0 KB 31.0 KB 31.0 KB 31.0 KB 31.0 KB 31.0 KB 31.0 KB31.0 KB31.0 KB0 b0.00 %
Total Content Size 2.2 MB 2.2 MB 2.2 MB 2.2 MB 2.2 MB 2.2 MB 2.2 MB2.2 MB2.2 MB2.9 KB0.13 %
HTML Content Size 727.5 KB 727.5 KB 727.5 KB 727.5 KB 727.5 KB 727.5 KB 727.5 KB727.5 KB727.5 KB0 b0.00 %
JavaScript Content Size 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB2.6 KB0.23 %
CSS Content Size 186.5 KB 186.5 KB 186.5 KB 186.5 KB 186.5 KB 186.5 KB 186.5 KB186.5 KB186.5 KB0 b0.00 %
Image Content Size 204.9 KB 204.9 KB 204.9 KB 204.9 KB 204.9 KB 204.9 KB 202.4 KB204.9 KB204.5 KB890 B0.42 %
Font Content Size 0 b 0 b 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 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 KB 23.8 KB 23.8 KB23.8 KB23.8 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 55 55 77 55 55 55 555558813.24 %
First Party Total Transfer Size 703.2 KB 703.2 KB 723.6 KB 703.2 KB 703.2 KB 703.2 KB 700.8 KB703.2 KB705.8 KB7.3 KB1.04 %
First Party Total Content Size 2.2 MB 2.2 MB 2.2 MB 2.2 MB 2.2 MB 2.2 MB 2.2 MB2.2 MB2.2 MB2.9 KB0.13 %