AOS (Animate On Scroll) is a lightweight JavaScript library that triggers CSS animations when elements scroll into the browser viewport. It provides simple data attributes for adding scroll-based animation effects to web pages without complex JavaScript coding.
Categories: JavaScript library
Official website: https://michalsnik.github.io/aos/
AOS is ranked #18 of 299 in JavaScript library by website adoption.
WhatStack detects AOS 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.