The symptom here resembles the presence of an upstream cache, but the cache may be in Google physical space.
Today being Patch Tuesday, and with this problem having apparently started in the UK / Europe, one might think of Microsoft Updates as being a contributing factor. But with the comments below mentioning Firefox and Safari as much as Internet Explorer, that's not a strong probability. Only time will tell whether bloggers in the Americas, and later, Asia, are also affected.
If you're experiencing this problem, please provide diagnostics in a comment below. Everybody can subscribe to the comment thread for this post, to track this.
- Where are you? Country and city is appreciated.
- What ISP do you use?
- What browser and operating system (name and version please) do you use?
- What is the BlogSpot and domain URLs of the blog involved?
- Is it your blog?
- A log from either PathPing (preferred), or from TraceRt (useful still), would be very appreciated.
- If possible, join the discussion in my forum (approval for membership required, be patient please).
(Update 5/17 13:00): It appears that this problem may not be fixed, for everybody.
(Update 5/15): It looks like the emergency is over. Possibly related to the Asian routing path in the Google network.