Why is admin Ajax so slow in WordPress?
The WordPress Heartbeat API uses /wp-admin/admin-ajax.php to run AJAX calls from the web-browser. While this is great and all it can also cause high CPU usage and crazy amounts of PHP calls. For example, if you leave your dashboard open it will keep sending POST requests to this file at a regular interval.
How can I improve the performance of my Ajax request?
Because Ajax requests take place behind the scenes, to the end user there is little discernible difference between an Ajax request being slow, and nothing happening at all. In this article, Larry Ullman explains some of the concrete steps you can take to improve the performance of your sites’ Ajax interactions. Like this article? We recommend
What’s the difference between Ajax and ajax.post?
Just as a complementary, in the accepted answer, it is mentionned that ” The $.ajax method’s data param does something different than the $.post method does, not sure what exactly, but there is a difference ” { data: JSON.stringify (yourJsonData), } Else the json object get’s inserted in the payload as a url-encoded string.
What does admin-ajax.php do in WordPress?
This improved upon session management, revision tracking, and auto-saving. The WordPress Heartbeat API uses /wp-admin/admin-ajax.php to run AJAX calls from the web-browser. While this is great and all it can also cause high CPU usage and crazy amounts of PHP calls.
Why is there a long delay to log in?
Active Directory is NOT being used. Viewing the virtual server directly on Hyper-V host server, there’s a long delay after I press Ctrl+Alt+Del before I can log in. (Swirling dots are displayed.) Using remote desktop, there’s a long delay “Please wait for the Local Session Manager” and it usually times out.
Why is my WordPress backend so slow?
Unlike frontend pages, the WordPress backend is not cached. This means, every page is loaded by fetching the data from database. Therefore, the backend speed highly depends on the hosting power that allows you to fetch and load the data fast.
Why is there a delay in lsass.exe?
Viewing the virtual server directly on Hyper-V host server, there’s a long delay after I press Ctrl+Alt+Del before I can log in. (Swirling dots are displayed.) Using remote desktop, there’s a long delay “Please wait for the Local Session Manager” and it usually times out. Clue #1: I observed that lsass.exe is using high CPU while the delay occurs.