Metrics per run

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

Tested 2025-04-05 18:48:54 using Firefox 136.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 496 ms 514 ms 496 ms 495 ms 515 ms496 ms503 ms9 ms1.84 %
First Contentful Paint 982 ms 983 ms 965 ms 965 ms 949 ms965 ms969 ms13 ms1.30 %
Largest Contentful Paint 1.120 s 1.985 s 1.866 s 1.104 s 1.072 s1.120 s1.429 s407 ms28.48 %
Timing metrics
First Paint 989 ms 984 ms 972 ms 971 ms 1.012 s984 ms986 ms15 ms1.51 %
First Contentful Paint 982 ms 983 ms 965 ms 965 ms 949 ms965 ms969 ms13 ms1.30 %
Largest Contentful Paint 1.120 s 1.985 s 1.866 s 1.104 s 1.072 s1.120 s1.429 s407 ms28.48 %
Load Event End 2.153 s 2.354 s 2.326 s 2.287 s 2.289 s2.289 s2.282 s69 ms3.03 %
Server Response Time 194 ms 194 ms 193 ms 195 ms 194 ms194 ms194 ms1 ms0.33 %
TTFB 496 ms 514 ms 496 ms 495 ms 515 ms496 ms503 ms9 ms1.84 %
Page Load Time 2.152 s 2.353 s 2.326 s 2.287 s 2.288 s2.288 s2.281 s69 ms3.03 %
First Visual Change 1.066 s 1.066 s 1.033 s 1.033 s 1.066 s1.066 s1.053 s16 ms1.54 %
Last Visual Change 2.733 s 2.733 s 2.800 s 2.700 s 2.800 s2.733 s2.753 s40 ms1.46 %
Speed Index 1.141 s 1.183 s 1.149 s 1.113 s 1.140 s1.141 s1.145 s22 ms1.96 %
Visual Readiness 1.667 s 1.667 s 1.767 s 1.667 s 1.734 s1.667 s1.700 s42 ms2.48 %
Visual Complete 95 1.966 s 2.000 s 1.900 s 2.000 s 2.000 s2.000 s1.973 s39 ms1.97 %
Visual Complete 99 2.200 s 2.333 s 2.366 s 2.333 s 2.133 s2.333 s2.273 s90 ms3.97 %
CPU metrics
Browser metrics
CPU benchmark score 51 ms 51 ms 51 ms 51 ms 54 ms51 ms52 ms1 ms2.33 %
Page metrics
DOM elements 11441 11441 11441 11441 11441114411144100.00 %
Document height 47663 47663 47663 47663 47663476634766300.00 %
Total Requests 231 231 231 231 23123123100.00 %
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 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB13 B0.00 %
HTML Transfer Size 134.3 KB 134.3 KB 134.3 KB 134.3 KB 134.3 KB134.3 KB134.3 KB0 b0.00 %
JavaScript Transfer Size 290.5 KB 290.5 KB 290.4 KB 290.4 KB 290.4 KB290.4 KB290.5 KB8 B0.00 %
CSS Transfer Size 28.2 KB 28.2 KB 28.2 KB 28.2 KB 28.2 KB28.2 KB28.2 KB10 B0.03 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.9 KB 1.9 KB 1.9 KB 1.9 KB 1.9 KB1.9 KB1.9 KB0 b0.00 %
SVG Transfer Size 27.5 KB 27.5 KB 27.5 KB 27.5 KB 27.5 KB27.5 KB27.5 KB0 b0.00 %
Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
HTML Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
JavaScript Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
CSS Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Image Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Font Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
SVG Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 231 231 231 231 23123123100.00 %
First Party Total Transfer Size 1.1 MB 1.1 MB 1.1 MB 1.1 MB 1.1 MB1.1 MB1.1 MB13 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %