Update: September 22, 2022 Roblox is currently online.
Roblox has been down for a while after a significant player drop off of the site. The Roblox official Twitter account has not been updated, and Pro Game Guides cannot play games on Roblox. Roblox has identified and is actively working on the issue, according to the Official Roblox Status website. There seems to be an active incident that the team is working to fix.
What is a 503 Error?
A 503 Service Unavailable Error typically occurs when the site you're trying to reach is unable to complete your transfer request or, in other words, can't successfully lead you to where you want to go. This can happen for multiple reasons, but the most common instances are either the website is receiving too many users attempting to access it at one time, or it's been taken down by the site admins for maintenance. In the case of Roblox, considering the platform's massive popularity, either of these possibilities could be causing the 503 Error.
More often than not, this error is not fixable by the user, meaning that it's just a waiting game until Roblox gets things up and running.
When will Roblox be back up?
This question is unanswerable at the moment, however, according to the official Roblox server status page, progress is currently being made to fix the issue. Within 30 minutes, the outage was taken from global to individual users, so we should be seeing a total fix within the next few hours at most. Considering the chaos that ensued during October's massive outage, Roblox is likely extremely prepared to handle any kind of server issues moving forward, including this one.
Looking for something else to play while Roblox is down? Check out our guide on the best games to play while Roblox is down!