Modernizr is a JavaScript library that detects HTML5 and CSS3 features in browsers, allowing developers to conditionally load polyfills or apply fallback styling. It adds CSS classes to the HTML element indicating which features are supported.
Categories: JavaScript library
Official website: https://modernizr.com
Modernizr is ranked #2 of 299 in JavaScript library by website adoption.
WhatStack detects Modernizr 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.