Facebook SDK Market Share Report, Oct 2019
Number of websites that use Facebook SDK
Facebook SDK Market Share
About Facebook SDK
The Facebook SDK for PHP provides developers with a modern, native library for accessing the Graph API and taking advantage of Facebook Login.
How did we calculate Facebook SDK's market share data?
Websites that use Facebook SDK
Sites in the top 10k on Alexa that use Facebook SDKairbnb.com
Sites in the top 100k on Alexa that use Facebook SDKscarymommy.com
Sites in the top 1M on Alexa that use Facebook SDKcchealth.org