performance - Read For Learn

Is wp_deregister_script the best way to deal with unneeded plugins in a page?

I assume that you want to activate a plugin only when it is necessary. There is a better option to do this. You can activate the whole plugin upon a certain action. I have provided a example code that will help you achieve what you are looking for and if you have any more queries … Read more

AJAX – SHORTINIT set to TRUE returns blank

You are using esc_attr(), which isn’t available if you use define( ‘SHORTINIT’, true ); , see source. So you either have to load the formatting.php manually or have to ditch the define( ‘SHORTINIT’, true ); – actually like the example in the thread you are referring to shows. As said in the comment, I checked … Read more

Using functions repeatedly instead of variables

The difference is going to be pretty minimal, I’d expect. There is overhead to using the functions, which you could save by storing your output in a variable. (WordPress does a pretty good job at caching the queries though.) And the variable is going to be more convenient as it is probably fewer characters than … Read more

WordPress performance – send all metaboxes to function or to call it again

Meta retrieval go through Cache API, so retrieving same data for same post during same page load won’t cause database re–querying (and in case of Object Cache even between different page loads). So that concern aside I would recommend (as usual) to: Architect in a way that makes sense, not in a way that might … Read more

Minimize Performance Issues of MultiSite Large Number of Tables Created

Well, WordPress.com it’s the largest deployment of WordPress Multisite and they’re basically using the same setup (multiple tables for each site), so you could say that it’s a good strategy. This kind of setup would let you to, for instance, keep your VIP users on a dedicated box, or add multiple DB servers as the … Read more

wp_get_update_data() function running on every admin request

If it’s native behavior (and not something like third party extensions screwing it up) then update checks should basically fire if there is no data or the time for next check have passed. My educated guess would be it’s one of the two: your install not being able to store transients correctly (thus data always … Read more

Performance testing a WordPress site locally?

Why do you want to test it on localhost if this doesnt reflect your real server envirement? You can do these kind of test (but not on localhost) with a website called https://www.blitz.io/ It shows you exactly the response times for your server, how many users it can handle till producing errors, etc. But you … Read more

Best Way to get facebook share count and update using wp_schedule_event or any other method

I’ve actually made a plugin called Social Metrics Tracker which does exactly what you are trying to achieve. Please also feel free to read the source code on GitHub. To answer your questions: You are right that running an hourly cron task to update all of the posts would cause a problem with even just … Read more

Dashboard memory overload problem

At the top of your wp-config.php you add define(‘WP_MAX_MEMORY_LIMIT’, ‘256M’); this will work only in back-end and do not increase memory in front-end. If this doesn’t work in your site, you can also add this define(‘WP_MEMORY_LIMIT’, ‘256M’);

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