Metrics per run

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

Tested 2026-07-27 22:23:14 using Chrome 150.0.7871.186 (runtime settings)

Side by side

5 runs
MetricRun 1Run 2Run 3Run 4Run 5MedianMeanStddevRSD
Google Web Vitals
Time to First Byte578 ms404 ms402 ms402 ms404 ms404 ms438 ms70 ms15.98 %
Largest Contentful Paint1.528 s1.160 s1.152 s1.188 s1.188 s1.188 s1.243 s143 ms11.51 %
Total Blocking Time90 ms54 ms49 ms76 ms55 ms55 ms65 ms16 ms24.13 %
Cumulative Layout Shift0.0010.0010.0010.0010.0010.0010.00100.00 %
Timing metrics
First Paint1.528 s1.160 s1.152 s1.188 s1.188 s1.188 s1.243 s143 ms11.51 %
Largest Contentful Paint1.528 s1.160 s1.152 s1.188 s1.188 s1.188 s1.243 s143 ms11.51 %
Load Event End2.455 s2.291 s2.285 s2.290 s2.282 s2.290 s2.321 s67 ms2.90 %
Server Response Time820 ms531 ms520 ms477 ms479 ms520 ms565 ms129 ms22.83 %
TTFB578 ms404 ms402 ms402 ms404 ms404 ms438 ms70 ms15.98 %
Page Load Time2.454 s2.291 s2.285 s2.290 s2.282 s2.290 s2.320 s67 ms2.88 %
First Visual Change1.533 s1.166 s1.166 s1.166 s1.166 s1.166 s1.239 s147 ms11.84 %
Last Visual Change2.100 s2.700 s2.633 s2.700 s2.633 s2.633 s2.553 s229 ms8.95 %
Speed Index1.561 s1.199 s1.198 s1.199 s1.198 s1.199 s1.271 s145 ms11.41 %
Visual Readiness567 ms1.534 s1.467 s1.534 s1.467 s1.467 s1.314 s375 ms28.51 %
Visual Complete 951.833 s1.200 s1.200 s1.200 s1.200 s1.200 s1.327 s253 ms19.09 %
Visual Complete 992.000 s2.633 s2.600 s2.633 s2.600 s2.600 s2.493 s247 ms9.91 %
CPU metrics
Total Blocking Time90 ms54 ms49 ms76 ms55 ms55 ms65 ms16 ms24.13 %
Max Potential FID111 ms92 ms91 ms105 ms95 ms95 ms99 ms8 ms7.95 %
Number of Long Tasks333333300.00 %
Total Duration of Long Tasks468 ms415 ms400 ms447 ms428 ms428 ms432 ms24 ms5.53 %
Browser metrics
CPU benchmark score42 ms45 ms33 ms34 ms34 ms34 ms38 ms5 ms13.09 %
Page metrics
Cumulative Layout Shift0.0010.0010.0010.0010.0010.0010.00100.00 %
DOM elements1337413374133731337413373133741337400.00 %
Document height469784669746697466974669746697467531120.24 %
Total Requests212243243243243243237125.24 %
HTML Requests111111100.00 %
JavaScript Requests999999900.00 %
CSS Requests333333300.00 %
Font Requests000000000.00 %
HTTP Errors00000000N/A
Total Transfer Size1.4 MB1.5 MB1.5 MB1.5 MB1.5 MB1.5 MB1.5 MB57.9 KB3.85 %
HTML Transfer Size186.5 KB186.5 KB186.5 KB186.5 KB186.5 KB186.5 KB186.5 KB27 B0.01 %
JavaScript Transfer Size440.2 KB440.2 KB440.1 KB440.1 KB440.2 KB440.2 KB440.2 KB29 B0.01 %
CSS Transfer Size31.6 KB31.6 KB31.5 KB31.5 KB31.6 KB31.6 KB31.5 KB26 B0.08 %
Font Transfer Size0 b0 b0 b0 b0 b0 b0 b0 b0.00 %
Favicon Transfer Size1.8 KB1.8 KB1.8 KB1.8 KB1.8 KB1.8 KB1.8 KB0 b0.02 %
SVG Transfer Size32.3 KB32.3 KB32.3 KB32.3 KB32.3 KB32.3 KB32.3 KB2 B0.01 %
Total Content Size3.5 MB3.6 MB3.6 MB3.6 MB3.6 MB3.6 MB3.6 MB35.6 KB0.96 %
HTML Content Size1.2 MB1.2 MB1.2 MB1.2 MB1.2 MB1.2 MB1.2 MB0 b0.00 %
JavaScript Content Size1.7 MB1.7 MB1.7 MB1.7 MB1.7 MB1.7 MB1.7 MB0 b0.00 %
CSS Content Size223.1 KB223.1 KB223.1 KB223.1 KB223.1 KB223.1 KB223.1 KB0 b0.00 %
Image Content Size372.5 KB461.4 KB461.4 KB461.4 KB461.4 KB461.4 KB443.6 KB35.6 KB8.02 %
Font Content Size0 b0 b0 b0 b0 b0 b0 b0 b0.00 %
Favicon Content Size2.7 KB2.7 KB2.7 KB2.7 KB2.7 KB2.7 KB2.7 KB0 b0.00 %
SVG Content Size34.2 KB34.2 KB34.2 KB34.2 KB34.2 KB34.2 KB34.2 KB0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests212243243243243243237125.24 %
First Party Total Transfer Size1.4 MB1.5 MB1.5 MB1.5 MB1.5 MB1.5 MB1.5 MB57.9 KB3.85 %
First Party Total Content Size3.5 MB3.6 MB3.6 MB3.6 MB3.6 MB3.6 MB3.6 MB35.6 KB0.96 %