WordPress developers: please stay away from WP_MEMORY_LIMIT and PHP memory_limit settings! We see this done wrong over and over in WordPress plugins and themes. One of such themes is the premium theme Jupiter by Artbees, or WPML as plugin. WordPress users: don’t touch these memory limitation settings either! They’re imposed for a reason. Here’s some […]
Isn’t it true that, when you (start to) develop WordPress websites for clients, and you host them yourself, you find yourself in a situation where you need to know a lot about “stuff” other than WordPress development? In this optimizing WordPress hosting post, I provide 9+ practical tips for you, to improve WordPress hosting performance. […]
Are you running into MySQL load problems? Learn how how I tuned my MySQL servers for a heavy InnoDB workload, by configuring innodb_buffer_pool_instances. Dividing the InnoDB buffer pool into multiple instances improves Disk I/O. By doing so, you run your database and website more efficiently and faster. Here is a little help for you.
To regularly optimize my WordPress database tables, I created a small plugin that utilizes the WordPress Cron feature. This comes in handy to perform database optimization for WordPress on a regular basis, without forgetting about it. Just activate and enjoy. And here is the plugin code …
The WordPress WP-Super-Cache cache plugin doesn’t minify HTML cache files, which I find a disadvantage. Knowing minify libraries, I went looking for an existing solution (why reinvent the wheel?), and found one: WPSCMin. Read on …
Tune OPcache and make PHP OPcache perform even better! Now that you’ve optimized PHP realpath_cache_size, it’s time to fine-tune OPcache. With just a few tweaks you can tune PHP OPcache to make it perform much better, and here is how…
Installing WordPress is one thing, keeping it up to date is something else. Each week brings new bugs or potential attack scenarios that will make a WordPress website vulnerable to hacks. Enabling automatic updates for all or at least most parts of WordPress solves a large number of problems with irregularly maintained WordPress websites.
The PHP directive realpath_cache_size sets the size of the realpath cache to be used by PHP. Increasing realpath_cache_size might greatly improve PHP performance, as PHP states: “this value should be increased on systems where PHP opens many files.” Setting a correct value for PHP realpath_cache_size can greatly improve PHP performance and optimize WordPress – and […]
How to change WordPress’ stylesheet URL with add_filter(). Just a quicky: To change the stylesheet URL in WordPress, to offload static content, put the following in your theme’s functions.php file:
Joomla! performance tuning: learn how to improve & speed up Joomla! with these 8 simple and important tips. Add caching, gzip compression, set your sessions & optimize MySQL database functions… Provide your visitors with a blazing fast Joomla! website!
Why MySQL indices are so important? At Vevida, we like to help our customers as much as possible. Even with optimizing a MySQL database when they don’t ask for it, or when a customer doesn’t know performance can be improved. For example by adding an index because we spotted a slow query in our slow-query […]
Convert MyISAM tables to InnoDB. In the earlier days of MySQL, the default storage engine for your database was MyISAM. This is also why you still encounter a lot of examples with engine=MyISAM online. Nowadays, the default storage engine is InnoDB, and MyISAM is no longer actively developed. Therefore, all MySQL performance optimizations are for […]
Learn how to optimize WordPress’ wp_options table for faster database results. This probably isn’t a big issue, but today I noticed a slow MySQL query coming from a WordPress database (WordPress wp_options table). This made me investigate and to optimize the WordPress wp_options table “autoload” feature. The autoload feature loads and caches all autoloaded options, […]
How to use mysqlcheck when your MySQL table gets corrupted. Check & repair tables with MySQL’s mysqlcheck, a command line table maintenance program. Mysqlcheck checks, repairs, optimizes, or analyzes MySQL tables. In this post I’ll show you how to use mysqlcheck to optimize all MySQL tables using a cronjob.
Umbraco SQLServer sessionState storage for your sessions. Prepare your Umbraco website for high performance web garden or web farm, and load balancing environments. Store your sessions out-of-process (OutProc). As opposed to the default in-process (inProc) sessions, where sessions are saved in the worker process.