Embedded timelines from Twitter are delayed on Sunday morning June 1, 2014 from about 8:00 a.m. to at least 9:30 a.m. The message in browser status bars reports "Resolving host ..."
During the delay, no tweets are displayed. The delays are lasting about 10 to 20 seconds.
Embedded individual tweets are also experiencing a delay -- showing the "resolving host" message.
Internet Service Provider: Comcast
No mention of any trouble reported at status.twitter.com.