… why the timezone is set to UTC instead of what the value I’ve set in the WordPress-settings-page WordPress calculates offsets from UTC, therefore WordPress sets the default time zone to UTC and not the specific time zone you selected in the Settings → General admin page. Is it a big performance-hit, to leave my … Read more
First of all, you should know that $_SERVER[‘HTTP_USER_AGENT’] is not fully reliable because its output is based on http request User-Agent header, and so it can be easily omitted or disguised. That said, sure your method will detect the majority of mobile requests, but be aware the mayority is not totality. Now, you know that … Read more
Whilst I appreciate it’s not the solution anyone would want after they’ve chosen to host on an Azure Web App, I’m yet to find anyone with a solution to this problem and I’ve spent a long time looking. I also debugged every one of our plugins and our theme with a fine tooth comb and … Read more
There are plenty of ways to improve the speed of your WordPress site Irrespective of theme/ plugins you have used. Add caching plugin supercache which will show tremendous decrease in the speed loading time of your site. Put Following script in your sites .htacces file # BEGIN EXPIRES ExpiresActive On ExpiresDefault “access plus 10 days” … Read more
These functions do not even call the database each time they are run. It just pulls them off the current post object that was returned by the database query that retrieved the posts. There’s nothing to optimise here. get_the_ID() and get_the_title() literally just return $post->ID and $post->post_title. get_permalink() is a little bit more complicated, because … Read more
This is nonsense. Almost all URL getters are a result of get_option(), eg. get_option(‘stylesheet_root’), get_option(‘template’) and so on. These options are loaded very early during the request, they are cached and not fetched again. Since the options are fetched anyway, all you can improve is processing time. Nanoseconds. This isn’t worth the trouble. Just compare … Read more
There are following ways you can improve it; Use cloudflare and tick all the three options in Minify tab. Do not use Jetpack (If you’re using then do not use “Photon” option if you have cloudflare running on your site.) Use W3 Total Cache. Use Autoptimize. Use Async Autoptimize plugin. Turn on Lazy load if … Read more
To run a plugin only when it is needed the plugin author has to identify the pages where the code actually does something. WordPress offers a surprisingly simple way to do that: the global variable $pagenow. It is set before a plugin is called in wp-includes/vars.php. In a spam block plugin I have written recently … Read more
Checkout this page from GoDaddy: http://support.godaddy.com/help/article/7360/using-the-wordpress-plugin-performance-profiler-p3 It gives a pretty good overview of the P3 Plugin Profiler and should be able to answer your questions. There’s definitely error involved, and it should really just be used as a guideline.
Debugging high CPU usage during periods of inactivity