performance - Read For Learn

Styles are not loading when changing permalink to %postname%?

What are you typing in the src=”https://wordpress.stackexchange.com/questions/82463/xxxxxx”? Do you have the absolute path or relative path to your style? If your not loading the CSS from your functions.php with wp_enqueue_style you should load it like this in your header to always get the correct URL to the file: <link rel=”stylesheet” type=”text/css” href=”https://wordpress.stackexchange.com/questions/82463/<?php echo get_stylesheet_uri(); ?>”> … Read more

Most efficient way of deleting post

Yes, but unless you have total understanding of your system and it is going to be frozen at that state, this can be dangerous. Can you be sure that you know all the places in the DB where the post is referenced? There is the post table, the metadata table, taxonomies, and plugins. If you … Read more

Diagnosing a connection reset problem

How to handle high load of traffic of my server

How about budget? I think you need add more RAM. Using Xcache or memcached. Using s3 amazon for your static file. For more information ask in serverfault.

Get multiple posts with some custom fields efficient

Meta fields are heavily cached. Depending on your configuration and specific query, it is likely that WP_Query calls update_post_caches() which trickles down to update_meta_cache() for queried posts. Most of the time you don’t need to worry about this, until you determine that it is real bottleneck in some way (like profiling code).

admin.php taking 14 seconds

Debug Performance Issues

There are essentially two very different cases how WP site typically bring server down with symptoms of CPU overload: Your site is not fast enough for your traffic Simply put if your server can serve page every tenth of a second and you get more than 10 pageviews in that second – your resources are … Read more