> ## Documentation Index > Fetch the complete documentation index at: https://docs.squid-id.com/llms.txt > Use this file to discover all available pages before exploring further. # Plain HTML > Add the Squid ID snippet to any plain HTML or static site by pasting it directly into the head of every page you want to identify visitors on. Works for any site where you can edit the page head. Copy your snippet from [Install the snippet](/getting-started/install-snippet), then: Find the file or template that produces the `` on every page. Paste the snippet just before the closing `` tag. Deploy or publish the change, then [verify](/getting-started/verify).