Metrics per run

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

Tested 2026-04-29 17:55:11 using Chrome 146.0.7680.80 (runtime settings).

Side by side

Metric123MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 415 ms 414 ms 396 ms414 ms408 ms9 ms2.14 %
First Contentful Paint 980 ms 976 ms 932 ms976 ms963 ms22 ms2.26 %
Largest Contentful Paint 1.360 s 1.336 s 1.300 s1.336 s1.332 s25 ms1.85 %
Interaction to Next Paint 160 ms 152 ms NaN s156 ms156 ms4 ms2.56 %
Total Blocking Time 1.454 s 1.432 s 1.499 s1.454 s1.462 s28 ms1.91 %
Cumulative Layout Shift 0.011 0.011 0.0110.0110.01100.00 %
Timing metrics
First Paint 980 ms 976 ms 932 ms976 ms963 ms22 ms2.26 %
First Contentful Paint 980 ms 976 ms 932 ms976 ms963 ms22 ms2.26 %
Largest Contentful Paint 1.360 s 1.336 s 1.300 s1.336 s1.332 s25 ms1.85 %
Load Event End 2.043 s 2.063 s 2.045 s2.045 s2.050 s9 ms0.44 %
Server Response Time 427 ms 428 ms 428 ms428 ms428 ms0 ms0.11 %
TTFB 415 ms 414 ms 396 ms414 ms408 ms9 ms2.14 %
Page Load Time 2.043 s 2.063 s 2.045 s2.045 s2.050 s9 ms0.44 %
First Visual Change 1.000 s 966 ms 933 ms966 ms966 ms27 ms2.83 %
Last Visual Change 9.734 s 9.700 s 9.666 s9.700 s9.700 s28 ms0.29 %
Speed Index 1.969 s 1.874 s 1.681 s1.874 s1.841 s120 ms6.51 %
Visual Readiness 8.734 s 8.734 s 8.733 s8.734 s8.734 s0 ms0.01 %
Visual Complete 95 9.700 s 9.666 s 3.100 s9.666 s7.489 s3.103 s41.44 %
Visual Complete 99 9.700 s 9.666 s 9.633 s9.666 s9.666 s27 ms0.28 %
CPU metrics
Total Blocking Time 1.454 s 1.432 s 1.499 s1.454 s1.462 s28 ms1.91 %
Max Potential FID 561 ms 563 ms 566 ms563 ms563 ms2 ms0.36 %
Number of Long Tasks 13 12 11121216.80 %
Total Duration of Long Tasks 2.148 s 2.080 s 2.085 s2.085 s2.104 s31 ms1.47 %
Browser metrics
CPU benchmark score 254 ms 254 ms 254 ms254 ms254 ms0 ms0.00 %
Page metrics
Cumulative Layout Shift 0.011 0.011 0.0110.0110.01100.00 %
DOM elements 8377 8377 83778377837700.00 %
Document height 4765 4765 47654765476500.00 %
Total Requests 30 30 30303000.00 %
HTML Requests 1 1 11100.00 %
JavaScript Requests 5 5 55500.00 %
CSS Requests 2 2 22200.00 %
Font Requests 0 0 00000.00 %
HTTP Errors 0 0 0000N/A
Total Transfer Size 656.0 KB 656.0 KB 656.0 KB656.0 KB656.0 KB4 B0.00 %
HTML Transfer Size 150.8 KB 150.8 KB 150.8 KB150.8 KB150.8 KB0 b0.00 %
JavaScript Transfer Size 242.5 KB 242.5 KB 242.5 KB242.5 KB242.5 KB4 B0.00 %
CSS Transfer Size 22.6 KB 22.6 KB 22.6 KB22.6 KB22.6 KB0 b0.00 %
Font Transfer Size 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.8 KB 1.8 KB 1.8 KB1.8 KB1.8 KB0 b0.00 %
JSON Transfer Size 1.8 KB 1.8 KB 1.8 KB1.8 KB1.8 KB0 b0.00 %
SVG Transfer Size 18.4 KB 18.4 KB 18.4 KB18.4 KB18.4 KB0 b0.00 %
Total Content Size 2.1 MB 2.1 MB 2.1 MB2.1 MB2.1 MB0 b0.00 %
HTML Content Size 886.1 KB 886.1 KB 886.1 KB886.1 KB886.1 KB0 b0.00 %
JavaScript Content Size 925.0 KB 925.0 KB 925.0 KB925.0 KB925.0 KB0 b0.00 %
CSS Content Size 159.5 KB 159.5 KB 159.5 KB159.5 KB159.5 KB0 b0.00 %
Image Content Size 211.8 KB 211.8 KB 211.8 KB211.8 KB211.8 KB0 b0.00 %
Font Content Size 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Content Size 2.7 KB 2.7 KB 2.7 KB2.7 KB2.7 KB0 b0.00 %
JSON Content Size 271 B 271 B 271 B271 B271 B0 b0.00 %
SVG Content Size 13.9 KB 13.9 KB 13.9 KB13.9 KB13.9 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 30 30 30303000.00 %
First Party Total Transfer Size 656.0 KB 656.0 KB 656.0 KB656.0 KB656.0 KB4 B0.00 %
First Party Total Content Size 2.1 MB 2.1 MB 2.1 MB2.1 MB2.1 MB0 b0.00 %