The numbers are shown only to roblox admins.
20:44:34.913 - httpGet http://ecsv2.roblox.com/studio/e.png?sessionID=many numbers&userID=4309939&placeID=numbers&category=PublishFeatures&evt=&label=numbers&value=0 failed. Trying again. Error: HTTP 400 (HTTP/1.1 400 Target and EventType parameters are required). Elapsed time: 0.2521644