Mibbit is a web IRC client. It is mainly used on its website, and people can also use widgets to access certain IRC networks with it. Mibbit also provides the Special:WebChat feature on certain wikis. Mibbit is a decent web IRC method, but it is often criticized by people. For example, it doesn't work with certain IRC networks such as Freenode, and lacks features such as allowing custom usernames in hostnames.