WebSub
[bg] PubSubHubbub
[de] PubSubHubbub
[fi] PubSubHubbub
[fr] WebSub
[hu] PubSubHubbub
[it] PubSubHubbub
[ja] WebSub
[ko] 웹서브
[sr] PubSubHubBub
[zh] WebSub