Metrics per run

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

Tested 2026-04-12 22:56:26 using Firefox 148.0.2 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 424 ms 409 ms 424 ms 428 ms 409 ms424 ms419 ms8 ms1.94 %
First Contentful Paint 1.077 s 1.073 s 1.096 s 1.095 s 1.087 s1.087 s1.086 s9 ms0.86 %
Largest Contentful Paint 1.715 s 1.647 s 1.680 s 1.917 s 1.579 s1.680 s1.708 s114 ms6.67 %
Interaction to Next Paint 144 ms NaN s 144 ms 144 ms NaN s144 ms144 ms0 ms0.00 %
Timing metrics
First Paint 1.076 s 1.073 s 1.095 s 1.095 s 1.086 s1.086 s1.085 s9 ms0.85 %
First Contentful Paint 1.077 s 1.073 s 1.096 s 1.095 s 1.087 s1.087 s1.086 s9 ms0.86 %
Largest Contentful Paint 1.715 s 1.647 s 1.680 s 1.917 s 1.579 s1.680 s1.708 s114 ms6.67 %
Load Event End 2.825 s 2.298 s 2.889 s 2.672 s 2.248 s2.672 s2.586 s266 ms10.28 %
Server Response Time 102 ms 104 ms 103 ms 104 ms 103 ms103 ms103 ms1 ms0.73 %
TTFB 424 ms 409 ms 424 ms 428 ms 409 ms424 ms419 ms8 ms1.94 %
Page Load Time 2.824 s 2.298 s 2.888 s 2.672 s 2.248 s2.672 s2.586 s265 ms10.27 %
First Visual Change 1.133 s 1.133 s 1.166 s 1.133 s 1.166 s1.133 s1.146 s16 ms1.41 %
Last Visual Change 4.000 s 4.033 s 4.033 s 4.300 s 3.833 s4.033 s4.040 s150 ms3.71 %
Speed Index 1.267 s 1.252 s 1.293 s 1.294 s 1.276 s1.276 s1.276 s16 ms1.25 %
Visual Readiness 2.867 s 2.900 s 2.867 s 3.167 s 2.667 s2.867 s2.894 s160 ms5.52 %
Visual Complete 95 1.800 s 1.666 s 1.700 s 1.933 s 1.600 s1.700 s1.740 s116 ms6.68 %
Visual Complete 99 2.866 s 2.633 s 2.866 s 3.100 s 2.566 s2.866 s2.806 s190 ms6.78 %
CPU metrics
Browser metrics
CPU benchmark score 76 ms 77 ms 78 ms 78 ms 78 ms78 ms77 ms1 ms1.03 %
Page metrics
DOM elements 13285 13286 13285 13285 13286132851328500.00 %
Document height 49685 49685 49685 49685 49685496854968500.00 %
Total Requests 246 246 246 246 24624624600.00 %
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 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB941 B0.07 %
HTML Transfer Size 183.4 KB 183.4 KB 183.4 KB 183.4 KB 183.4 KB183.4 KB183.4 KB0 b0.00 %
JavaScript Transfer Size 312.1 KB 312.1 KB 312.1 KB 312.1 KB 312.1 KB312.1 KB312.1 KB0 b0.00 %
CSS Transfer Size 33.6 KB 33.6 KB 33.6 KB 33.6 KB 33.6 KB33.6 KB33.6 KB10 B0.03 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.0 KB 2.0 KB 2.0 KB 2.0 KB 2.0 KB2.0 KB2.0 KB0 b0.00 %
SVG Transfer Size 35.7 KB 35.7 KB 35.7 KB 35.7 KB 35.7 KB35.7 KB35.7 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 246 246 246 246 24624624600.00 %
First Party Total Transfer Size 1.4 MB 1.4 MB 1.4 MB 1.4 MB 1.4 MB1.4 MB1.4 MB941 B0.07 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %