The Facebook (Meta) pixel is a piece of code on a website that allows you to measure the effectiveness of your advertising by understanding the actions that people take on your website/a partner's website.
This article covers how to set up a Facebook pixel.
Sign in to your Facebook account
Click 'connect data sources'
Select 'web'
Click 'connect'
Name your pixel
Click 'create pixel'
Copy and paste the pixel ID
Add the pixel ID to your FIXR account by signing in and going to manage account > account settings > advertising. Click 'save changes'.
For more information visit the Facebook Business Help Centre.