The best way is checkout Facebook documentation. Head to https://www.facebook.com/business/help/314143995668266?id=1205376682832142
1/ Facebook Pixel Helper
The best way to check that events are firing correctly is to use the Facebook Pixel Helper extension for Chrome. You can read more information about this extension here.
Once installed, head to your store, if everything is ok you'll see pixels firing in the helper like this
Another way to double-check that events are firing is by enabling debug mode on the app, and setting it to verbose. Once configured, head to your store using Chrome, and open Console in Developer Tools.
Inside the console you will see information printed out about the events triggered and which pixels was initialized for which page.
You need to keep in mind that firing duplicates pixels is a bad thing as it will impact your Facebook Ads reports and will likely have an impact on your website performance.
It is therefore recommended removing your Pixel ID from your settings in Shopify Store.
No. Everything is configured on installation.
No. The application uses something called
script tags.Shopify will delete them on uninstall, so there is no need to edit your theme code.
There is no limit on the number of Pixels that you can add.