Re: Cannot connect to “http://www.calcudoku.org” 在线算独网站被长城防火
Which means this site may be shielded by the Great Firewall(temporarily or for ever).
Thanks for letting me know, I'm hoping/guessing this was temporary.
No idea why my site would be blocked anyway.
On the site greatfirewallofchina.org
: only Beijing timed out once, and after a 2nd test all was ok, fortunately.