In HelpDocs, go to Settings > Integrations > Hotjar
Find your Hotjar Site ID.
You can find your Hotjar Site ID in your Sites & Organizations.
Copy the Site ID for the site you wish to install the Tracking Code for. The Site ID is the set of numbers next to the Site URL.
Paste your Hotjar Site ID within the HelpDocs installation pop-up.
Make sure to Save Changes.
Once you have added the Hotjar Tracking Code to your site, you will need to wait a few minutes for Hotjar to check if it is installed correctly. This usually happens the moment your site is loaded with the Hotjar Tracking Code on it - you can visit the page yourself to speed the process up. Once Hotjar has detected the Tracking Code on your site, the Site overview will show a notice like the one below:
Keep Tracking Code in mind when making design changes
If after you install the Tracking Code, your website undergoes a major design change check to ensure your Tracking Code is still installed.