I believe this is not Wordpress related but since the site is using wordpress I'm posting it here - please move it accordingly if it is misplaced.
I am regularly getting this error message while loading the website:
Fetching of original content failed with the following error: Proxy Publisher Failure - NO RESPONSE. If you own this domain, please consult this FAQ.
I have Google PageSpeed Service enabled and this is what their FAQ regarding the above error states:
And this is their FAQ regarding implementing the X-Forwarded-For header:
The site - http://www.nivipa.com/
Any ideas? I wrote to the support - no response yet.
A month ago I had the same problem and they basically said it's not on their side...