We have articles on our site dedicated to different methods of reach calculations: Page Reach: Page-Level Reporting Post Reach: Post-Level Reporting Paid Reach: Why Your Reporting May Miss the Complete Picture
How can I share my Facebook pixel?
Jon wrote an article outlining the process of sharing a Facebook pixel or advertising audience here.
What is the Facebook pixel?
The pixel is an implementation of Facebook-provided code on your website which enables tracking, optimization, and attribution within ads on Facebook-owned properties. The Facebook pixel is a common theme across many of the resources on our site. You can check out our pixel-related articles here.
What do the different click metrics mean in Ads Manager?
Jon wrote an article outlining the differences between different click metrics here.
How can I compare audiences between Facebook and Instagram?
You can use Ads Manager to analyze and compare audience sizes between these platforms, though it requires a bit of a manual approach. We have an article outlining how to do this here.