Shared hosting is a wonderful thing but it still has its caveats. That is, some people will encounter wordpress memory limit problems when they administer their websites. I came across this problem recently when I started getting 404 errors after making posts and trying to re-configure one of my websites using the theme settings. I inquired with my web host provider Dreamhost and was told that my websites were approaching the memory limit.
They gave me advice on how to track and reduce my memory usage and also mentioned that I could simply upgrade to a private server account in order to increase my memory threshold. This disappointed me a bit because I wasn’t quite prepared to extend the budget for web hosting just yet.
That said, I tried to figure out a few more ways to reduce my memory limit with a little research and tinkering on my own. I’ll list my findings below:
1) Examine Your Scripts
In my case I had a bad script which was putting visible gobblety gook on the header of my web page. It was a problem I noticed but didn’t realize was related to my memory/page speed problems. Bad scripts can slow down a page significantly. You most likely wont have any added scripts if you are just starting out but as you implement other features into your website you may be required to paste a script or two into your header and this is where the problems can start.
2) Use Firebug
You can test for all web page loading elements by using the Firefox browser and the FireBug add in. Speed page is another tool you can use and it