Independent website Down Detector measures social mentions pertaining to a certain topic to track outages across the globe.
Instagram users were having trouble posting their #WCW posts on Wednesday due to an apparent outage on the app and website.
When asked what was causing the outages, a Facebook spokesperson only responded, "We're aware that some people are now having trouble accessing Facebook and Instagram".
BAE Systems announce huge job cuts across all sectors
She said the cuts were the result of internal restructuring, and "not related to any United Kingdom defense spending decisions". She said: "BAE Systems is an important employer in Fife and a key player in the region's technology and engineering sector".
Facebook is down for hundreds of users across the United States.
Swathes of social media users were left frustrated after being unable to access Facebook on Wednesday afternoon.
Facebook reportedly confirmed the outages with a statement posted to Facebook, which is not accessible by a large portion of its users.