Metrics per run

https://it.wikipedia.org/wiki/Rai

Tested 2025-09-01 04:12:10 using Chrome 139.0.7258.127 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 507 ms 503 ms 504 ms 488 ms 487 ms503 ms498 ms9 ms1.71 %
First Contentful Paint 832 ms 804 ms 796 ms 784 ms 788 ms796 ms801 ms17 ms2.13 %
Largest Contentful Paint 960 ms 932 ms 916 ms 1.036 s 904 ms932 ms950 ms47 ms4.96 %
Interaction to Next Paint 136 ms 136 ms 136 ms 232 ms 128 ms136 ms154 ms39 ms25.60 %
Total Blocking Time 63 ms 46 ms 81 ms 212 ms 44 ms63 ms89 ms63 ms70.45 %
Cumulative Layout Shift 0.052 0.052 0.052 0.052 0.0520.0520.05200.00 %
Timing metrics
First Paint 832 ms 804 ms 796 ms 784 ms 788 ms796 ms801 ms17 ms2.13 %
First Contentful Paint 832 ms 804 ms 796 ms 784 ms 788 ms796 ms801 ms17 ms2.13 %
Largest Contentful Paint 960 ms 932 ms 916 ms 1.036 s 904 ms932 ms950 ms47 ms4.96 %
Load Event End 2.155 s 2.152 s 2.277 s 2.138 s 2.215 s2.155 s2.187 s52 ms2.38 %
Server Response Time 415 ms 413 ms 414 ms 414 ms 415 ms414 ms414 ms1 ms0.18 %
TTFB 507 ms 503 ms 504 ms 488 ms 487 ms503 ms498 ms9 ms1.71 %
Page Load Time 2.155 s 2.151 s 2.277 s 2.138 s 2.215 s2.155 s2.187 s52 ms2.38 %
First Visual Change 833 ms 800 ms 800 ms 800 ms 800 ms800 ms807 ms13 ms1.64 %
Last Visual Change 2.100 s 2.133 s 2.166 s 2.200 s 2.133 s2.133 s2.146 s34 ms1.58 %
Speed Index 1.064 s 1.041 s 1.036 s 1.084 s 1.046 s1.046 s1.054 s18 ms1.67 %
Visual Readiness 1.267 s 1.333 s 1.366 s 1.400 s 1.333 s1.333 s1.340 s44 ms3.29 %
Visual Complete 95 2.066 s 2.100 s 2.166 s 2.200 s 2.133 s2.133 s2.133 s47 ms2.21 %
Visual Complete 99 2.066 s 2.100 s 2.166 s 2.200 s 2.133 s2.133 s2.133 s47 ms2.21 %
CPU metrics
Total Blocking Time 63 ms 46 ms 81 ms 212 ms 44 ms63 ms89 ms63 ms70.45 %
Max Potential FID 90 ms 80 ms 97 ms 187 ms 86 ms90 ms108 ms40 ms36.93 %
Number of Long Tasks 5 4 5 4 444011.13 %
Total Duration of Long Tasks 355 ms 283 ms 366 ms 412 ms 279 ms355 ms339 ms51 ms15.07 %
Browser metrics
CPU benchmark score 33 ms 33 ms 35 ms 33 ms 33 ms33 ms33 ms1 ms2.40 %
Page metrics
Cumulative Layout Shift 0.052 0.052 0.052 0.052 0.0520.0520.05200.00 %
DOM elements 11605 11605 11605 11605 11605116051160500.00 %
Document height 45453 45453 45453 45453 45453454534545300.00 %
Total Requests 234 234 234 234 23423423400.00 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 10 10 10 10 10101000.00 %
CSS Requests 3 3 3 3 33300.00 %
Font Requests 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0000N/A
Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB118 B0.01 %
HTML Transfer Size 134.5 KB 134.5 KB 134.5 KB 134.5 KB 134.5 KB134.5 KB134.5 KB0 b0.00 %
JavaScript Transfer Size 374.4 KB 374.3 KB 374.3 KB 374.3 KB 374.3 KB374.3 KB374.3 KB14 B0.00 %
CSS Transfer Size 28.7 KB 28.7 KB 28.7 KB 28.7 KB 28.7 KB28.7 KB28.7 KB4 B0.01 %
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 29.6 KB 29.6 KB 29.6 KB 29.6 KB 29.6 KB29.6 KB29.6 KB0 b0.00 %
Total Content Size 3.1 MB 3.1 MB 3.1 MB 3.1 MB 3.1 MB3.1 MB3.1 MB110 B0.00 %
HTML Content Size 780.9 KB 780.9 KB 780.9 KB 780.9 KB 780.9 KB780.9 KB780.9 KB0 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 197.0 KB 197.0 KB 197.0 KB 197.0 KB 197.0 KB197.0 KB197.0 KB0 b0.00 %
Image Content Size 536.6 KB 536.6 KB 536.3 KB 536.3 KB 536.3 KB536.3 KB536.4 KB110 B0.02 %
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 35.8 KB 35.8 KB 35.8 KB 35.8 KB 35.8 KB35.8 KB35.8 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 234 234 234 234 23423423400.00 %
First Party Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB118 B0.01 %
First Party Total Content Size 3.1 MB 3.1 MB 3.1 MB 3.1 MB 3.1 MB3.1 MB3.1 MB110 B0.00 %