Did you try clearing the cache and cookies of your browser? Sometimes the site may not due to the same and needs to be cleaned time to time for optimal performance.

I had no trouble with the link.

Clearing cache and cookies did not solve the problem. To be clear: Firefox opens a page headed with my blog page title but the page is totally blank. Other browsers work just fine when i enter the address

Start Firefox in Safe Mode {web Link} by holding down the <Shift>
(Mac=Options) key, and then starting Firefox. A small dialog should appear. Click Start In Safe Mode (not Refresh).

Is the problem still there?