Metrics per run

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

Tested 2025-04-27 05:30:31 using Firefox 137.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 495 ms 585 ms 514 ms 495 ms 497 ms497 ms517 ms35 ms6.70 %
First Contentful Paint 881 ms 965 ms 880 ms 864 ms 983 ms881 ms915 ms49 ms5.38 %
Largest Contentful Paint 1.156 s 1.545 s 1.188 s 1.358 s 1.136 s1.188 s1.277 s155 ms12.18 %
Timing metrics
First Paint 997 ms 1.086 s 988 ms 987 ms 985 ms988 ms1.009 s39 ms3.86 %
First Contentful Paint 881 ms 965 ms 880 ms 864 ms 983 ms881 ms915 ms49 ms5.38 %
Largest Contentful Paint 1.156 s 1.545 s 1.188 s 1.358 s 1.136 s1.188 s1.277 s155 ms12.18 %
Load Event End 2.490 s 2.608 s 2.526 s 2.618 s 2.447 s2.526 s2.538 s66 ms2.62 %
Server Response Time 195 ms 195 ms 194 ms 193 ms 195 ms195 ms194 ms1 ms0.41 %
TTFB 495 ms 585 ms 514 ms 495 ms 497 ms497 ms517 ms35 ms6.70 %
Page Load Time 2.490 s 2.608 s 2.526 s 2.617 s 2.446 s2.526 s2.537 s66 ms2.62 %
First Visual Change 1.066 s 1.166 s 1.066 s 1.066 s 1.066 s1.066 s1.086 s40 ms3.68 %
Last Visual Change 3.133 s 3.200 s 3.133 s 3.133 s 2.933 s3.133 s3.106 s90 ms2.91 %
Speed Index 1.136 s 1.253 s 1.142 s 1.148 s 1.137 s1.142 s1.163 s45 ms3.88 %
Visual Readiness 2.067 s 2.034 s 2.067 s 2.067 s 1.867 s2.067 s2.020 s78 ms3.85 %
Visual Complete 95 1.400 s 1.666 s 1.400 s 1.500 s 1.666 s1.500 s1.526 s120 ms7.84 %
Visual Complete 99 2.466 s 2.633 s 2.566 s 2.666 s 2.500 s2.566 s2.566 s76 ms2.96 %
CPU metrics
Browser metrics
CPU benchmark score 51 ms 51 ms 51 ms 52 ms 52 ms51 ms51 ms0 ms0.95 %
Page metrics
DOM elements 11475 11476 11476 11475 11475114751147500.00 %
Document height 47984 47984 47984 47984 47984479844798400.00 %
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 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB589 B0.05 %
HTML Transfer Size 133.6 KB 133.6 KB 133.6 KB 133.6 KB 133.6 KB133.6 KB133.6 KB0 b0.00 %
JavaScript Transfer Size 288.8 KB 288.8 KB 288.8 KB 288.8 KB 288.8 KB288.8 KB288.8 KB0 b0.00 %
CSS Transfer Size 28.3 KB 28.3 KB 28.3 KB 28.3 KB 28.3 KB28.3 KB28.3 KB1 B0.00 %
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 1.2 MB 1.2 MB 1.2 MB 1.2 MB 1.2 MB1.2 MB1.2 MB589 B0.05 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %