Recently I found on my blog this error. it makes my blog site running slow. someone just now I fix it? and my blog is not running well? I do a blog on wordpress.
[EDIT NOTE: PLEASE ANONYMISE URLS. I HAVE ANONYMYZED THIS ONE FOR YOU. -DJ, Moderator]
[edited by: DixonJones at 9:09 am (utc) on Feb 29, 2016] [edit reason] Anonymyzed URL. [/edit]
robzilla
7:37 pm on Feb 29, 2016 (gmt 0)
This error does not make your blog run slow, because it's a client-side Javascript issue (the jQuery library is not loaded). If your WordPress blog is slow, perhaps it's hosted on a slow or overloaded server. Plug-ins and themes can be at fault, too. Disable your plug-ins one at a time to see if your load time improves.
As for jQuery, check your source code and make sure the jQuery library is loaded. Example:
