> ## Documentation Index > Fetch the complete documentation index at: https://www.alttextlab.com/docs/llms.txt > Use this file to discover all available pages before exploring further. # Web snippet > Automatically generate and apply alt text to every image on your website with a single script tag. The AltTextLab web snippet is a JavaScript embed that detects images without alt text on each page load and generates descriptions for them automatically. ## How it works 1. You add one `