> ## Documentation Index > Fetch the complete documentation index at: https://docs.cookiechimp.com/docs/llms.txt > Use this file to discover all available pages before exploring further. # HTML > Install a consent banner on any plain HTML website — no framework or build step required. If your site is plain HTML — a static landing page, a hand-written multi-page site, or anything served as `.html` files — you can install CookieChimp by adding a single `

Welcome to my website

``` Replace `abc123` with your website's unique CookieChimp ID. If you have many HTML pages, consider using a shared header include (via your static site generator, a server-side include, or a small build step) so you only have to update the snippet in one place. The pattern is to change any third-party ` ``` **After** — the same tags blocked until the user accepts the `analytics` category: ```html theme={null} ``` Setting `type="text/plain"` stops the browser from executing the script. CookieChimp scans the page on load, watches for consent, and rewrites the `type` back to `text/javascript` on tags whose `data-category` the user has accepted. See the [Scripts Management](/block-scripts-cookies/script-attributes) page for the full attribute reference, including how to block iframes, images, and inline event handlers. A full example with a footer link that opens the preferences modal: ```html theme={null} ``` ## How does the script work? When the browser loads `https://cookiechimp.com/widget/abc123.js`, CookieChimp: 1. Reads your configuration (categories, services, banner copy and design) from your account. 2. Scans the DOM for any ` ``` To react when the user changes their preferences later, listen for `cc:onUpdate`: ```html theme={null} ``` ## Troubleshooting * Make sure your domain is allowed in the **Account Settings** in your CookieChimp dashboard. Local file URLs (`file://`) and `localhost` need to be explicitly added if you want to test before deploying. * The script must be the **first** script in ``. If you see other scripts setting cookies before consent is granted, they were added above the CookieChimp tag. * Make sure you updated every HTML page on your site — pages without the snippet won't show the banner.