I have been experiencing 500 internal server error for nearly a week now. This occurs when I am trying to publish a new post. I am also having a http error when I try to upload photos.
I contacted Hostgator and they gave me confliting responses, looks like they are not sure of what the issue is. Initially they told me the problem is because my site is not optimized, it is a Multisite and has many plugins. I already had WP Super Cache for optimizing. I then decided to delete some plugins, deactivate some from other sub-sites, except the parent site and delete some of the sub-sites. All these couldn't solve the problem.
I contacted them again and they said.
"A a temporary PHP limit was placed on your account, thus giving the 500 error when you try to view your site.
HostGator allows a maximum of 25% CPU usage limit. You may exceed this limit for no longer than 90 seconds.
It is unlikely that you hit the 25% CPU usage. Unless your site is script intensive and requires more processing."
I checked the CPU usage on my cPanel and I was nowhere close to using a large amount of the cpu.
I have other sites(not multisites and all have few plugins) on the same hosting account and they are all experiencing the same problem.
Can anyone kindly help? :)