Roblox is joining the growing ranks of online platforms that are trying to better understand the ages of their teen users. The company is rolling out a new "age estimation" feature for teens 13 and older.

Roblox is making two big changes to its wildly popular online gaming platform used by millions of children globally. The San Mateo-headquartered tech company has been criticized by some parents for lacking online security safeguards.

Following accusations of grooming and predatory behavior experienced by its younger-skewing users, Roblox rolled out new safety features Thursday.