Metrics per run

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

Tested 2026-03-04 11:23:53 using Chrome 144.0.7559.59 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 519 ms 431 ms 414 ms 414 ms 430 ms430 ms442 ms39 ms8.92 %
First Contentful Paint 1.256 s 1.184 s 1.152 s 1.120 s 1.172 s1.172 s1.177 s45 ms3.84 %
Largest Contentful Paint 1.256 s 1.184 s 1.152 s 1.120 s 1.172 s1.172 s1.177 s45 ms3.84 %
Interaction to Next Paint 720 ms 736 ms 720 ms 688 ms 728 ms720 ms718 ms16 ms2.27 %
Total Blocking Time 47 ms 28 ms 42 ms 36 ms 35 ms36 ms38 ms6 ms17.20 %
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
Timing metrics
First Paint 1.256 s 1.184 s 1.152 s 1.120 s 1.172 s1.172 s1.177 s45 ms3.84 %
First Contentful Paint 1.256 s 1.184 s 1.152 s 1.120 s 1.172 s1.172 s1.177 s45 ms3.84 %
Largest Contentful Paint 1.256 s 1.184 s 1.152 s 1.120 s 1.172 s1.172 s1.177 s45 ms3.84 %
Load Event End 2.668 s 2.300 s 2.271 s 2.336 s 2.237 s2.300 s2.362 s156 ms6.61 %
Server Response Time 463 ms 472 ms 470 ms 464 ms 475 ms470 ms469 ms5 ms0.99 %
TTFB 519 ms 431 ms 414 ms 414 ms 430 ms430 ms442 ms39 ms8.92 %
Page Load Time 2.668 s 2.300 s 2.271 s 2.336 s 2.237 s2.300 s2.362 s156 ms6.61 %
First Visual Change 1.233 s 1.166 s 1.133 s 1.133 s 1.133 s1.133 s1.160 s39 ms3.35 %
Last Visual Change 2.366 s 2.100 s 2.066 s 2.133 s 2.100 s2.100 s2.153 s109 ms5.04 %
Speed Index 1.263 s 1.190 s 1.162 s 1.165 s 1.163 s1.165 s1.189 s39 ms3.25 %
Visual Readiness 1.133 s 934 ms 933 ms 1.000 s 967 ms967 ms993 ms74 ms7.45 %
Visual Complete 95 1.266 s 1.166 s 1.166 s 1.166 s 1.166 s1.166 s1.186 s40 ms3.37 %
Visual Complete 99 2.000 s 1.933 s 1.966 s 2.000 s 2.000 s2.000 s1.980 s27 ms1.36 %
CPU metrics
Total Blocking Time 47 ms 28 ms 42 ms 36 ms 35 ms36 ms38 ms6 ms17.20 %
Max Potential FID 90 ms 78 ms 90 ms 81 ms 82 ms82 ms84 ms5 ms5.84 %
Number of Long Tasks 3 3 4 3 333012.50 %
Total Duration of Long Tasks 405 ms 374 ms 428 ms 389 ms 368 ms389 ms393 ms22 ms5.54 %
Browser metrics
CPU benchmark score 41 ms 33 ms 43 ms 33 ms 37 ms37 ms37 ms4 ms10.91 %
Page metrics
Cumulative Layout Shift 0.001 0.001 0.001 0.001 0.0010.0010.00100.00 %
DOM elements 13261 13261 13261 13261 13261132611326100.00 %
Document height 46663 46659 46665 46666 46667466654666430.01 %
Total Requests 87 76 75 73 5775741013.08 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 9 9 9 9 99900.00 %
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 902.2 KB 760.7 KB 743.7 KB 807.0 KB 651.3 KB760.7 KB773.0 KB82.1 KB10.62 %
HTML Transfer Size 182.7 KB 182.7 KB 182.7 KB 182.7 KB 182.7 KB182.7 KB182.7 KB18 B0.01 %
JavaScript Transfer Size 304.8 KB 305.0 KB 305.0 KB 305.0 KB 305.0 KB305.0 KB304.9 KB63 B0.02 %
CSS Transfer Size 30.2 KB 30.2 KB 30.2 KB 30.2 KB 30.2 KB30.2 KB30.2 KB0 b0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.8 KB 1.8 KB 1.8 KB 1.8 KB 1.8 KB1.8 KB1.8 KB0 b0.00 %
SVG Transfer Size 30.7 KB 30.7 KB 30.7 KB 30.7 KB 30.7 KB30.7 KB30.7 KB0 b0.00 %
Total Content Size 2.9 MB 2.8 MB 2.8 MB 2.8 MB 2.7 MB2.8 MB2.8 MB72.2 KB2.52 %
HTML Content Size 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB0 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 204.9 KB 204.9 KB 204.9 KB 204.9 KB 204.9 KB204.9 KB204.9 KB0 b0.00 %
Image Content Size 290.6 KB 159.6 KB 144.4 KB 210.7 KB 73.8 KB159.6 KB175.8 KB72.2 KB41.05 %
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 33.9 KB 33.9 KB 33.9 KB 33.9 KB 33.9 KB33.9 KB33.9 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 87 76 75 73 5775741013.08 %
First Party Total Transfer Size 902.2 KB 760.7 KB 743.7 KB 807.0 KB 651.3 KB760.7 KB773.0 KB82.1 KB10.62 %
First Party Total Content Size 2.9 MB 2.8 MB 2.8 MB 2.8 MB 2.7 MB2.8 MB2.8 MB72.2 KB2.52 %