W3.CSS is a CSS framework developed by the World Wide Web Consortium (W3C), the main international standards organisation for the World Wide Web.
Categories: UI framework
Official website: https://www.w3schools.com/w3css/
W3.CSS is ranked #92 of 95 in UI framework by website adoption.
WhatStack detects W3.CSS by analyzing HTTP headers, HTML source code, JavaScript globals, meta tags, cookies, DNS records, and ads.txt entries using signature-based pattern matching across 10 different analyzers.