- **youtube:subscriptions**: YouTube.com subscriptions feed, "ytsubs" keyword (requires authentication)
- **YoutubeYtUser**: YouTube.com user videos (URL or "ytuser" keyword)
- **youtube:tab**: YouTube.com tab
- **youtube:subscriptions**: YouTube.com subscriptions feed, "ytsubs" keyword (requires authentication)
- **YoutubeYtUser**: YouTube.com user videos (URL or "ytuser" keyword)
- **youtube:tab**: YouTube.com tab