i have a wordpress blog that uses the directory plugin called wp-dir. it's a very nice plugin that makes my site into a directory. unfortunately the developer seems to no longer support it for the last 2 months and i can't get an answer to this one issue. there is a feature of this plugin that shows the google PR value of the websites in the directory. but it is not working on this blog, an automotive directory - http://www.123automotivedirectory.com. So after much testing and trying to figure it out, i installed the same plugin on another blog, a wordpress directory - www.userw.com - and it works fine. these 2 websites are on different hosting so i've come to the conclusion that there is some setting on the host that is causing the update to not happen. it works fine on hostgator but not on justhost. i seem to remember with another directory script i had in the past, this was caused by a setting on the host. has anyone else encountered this??
Case A) I create a PR checker that query many google servers and I noticed that there's one server giving me always 0. But if I try the script using the other IP address of my VPS it work correctly: In few words seems that some google servers simply ban some querying IP addresses, this is for sure your case. Solution? Sure! Edit the WP Plugin and change the queried google server. Case B) The WP Script try to use CURL or FOPEN and other similar functions and your Hosting simply blocked this kind of functions. Solution? Sure! Change Hosting. ... ok, too drastic. Talk with them an ask if they blocked this kind of functions, why and how can they help you...