Sysadmins of the North

Technical blog, where topics include: computer, server, web, sysadmin, MySQL, database, virtualization, optimization and security

Category: WordPress (Page 2 of 4)

How to optimize your WordPress hosting – 9+ practical tips

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. Especially useful if you plan to develop and host WordPress websites yourself.

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WordPress advisory: Akal premium theme XSS vulnerability & abandonded

Over the course of one week I had the opportunity to audit two hacked WordPress websites. I could quickly discover two vulnerabilities: a Cross Site Scripting, or XSS, in a premium WordPress theme Akal, and a Denial-of-Service in an undisclosed newsletter plugin. This post describes the Akal premium WordPress theme XSS vulnerability.

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SSL Summary A plus

SSL in WordPress: how to move WordPress to HTTPS? The definitive guide

Having an SSL certificate in your WordPress is the de-facto standard nowadays, did you know that? Google ranks sites having HTTPS higher in their SERP. But in WordPress, how do you configure an SSL certificate and HTTPS URL? You’ll learn the important steps to move WordPress from http to https in this post.

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17+ Valuable WordPress snippets you never knew you couldn’t live without

Here are 17+ valuable WordPress snippets for a site-specific plugin and functions.php file that provides you a better WordPress experience. Enhance your WordPress site with these small PHP snippets: WordPress filters, actions and functions. Quickly add or extend the functionality you need for your WordPress website! Read on…

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Optimize WordPress MySQL tables through Cron, behind the scenes

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 …

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Minify WP-Super-Cache HTML cache files: WPSCMin a WP-Super-Cache plugin

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 …

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add_rewrite_rule() accepts an array of query vars in WordPress 4.4

John Blackbourn writes to Make WordPress Core that a small change to add_rewrite_rule() in [34708] means that in the upcoming WordPress 4.4 an array can be passed as the second parameter instead of a query string…

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WordPress and PHP7

Aaron Jorbin writes to Make WordPress Core about WordPress and PHP7 (I run PHP7 and WordPress for quite some time on Saotn.org, and I think its a great step forward). For the last few months, WordPress Core has been getting ready for the upcoming release of PHP7. PHP7 is bringing a host of improvements to PHP. One of the most notably is substantial performance improvements. Benchmarks of WordPress using PHP7 are showing a 2-3x speed improvement compared to PHP5.6.

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WordPress JSON REST API, talk to me baby!

Saotn.org now provides the WordPress REST API (WP API), for you to use my posts to fill your website. How great is that?! 🙂 But what is a REST API exactly, and what can I do with it?

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How to add conditional analytics tracking code in WordPress Multisite

In my WordPress multisite, I use one theme for three sites and a tracking code for analytics on my websites. Whether it is Google Analytics or Piwik doesn’t matter. Here is how you can conditionally add tracking codes to your WordPress Multisite: Use a condition in functions.php to add the tracking code for Piwik Analytics or Google Analytics.

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Add a delay to your WordPress login form

It is important to protect your WordPress website from brute-force attacks, and various security plugins exist in doing so. For the purpose of this article, I modified the WordPress Login Delay plugin with a fixed delay of three seconds for my wp-login.php page. This provides you with an easy to use method of protecting your WordPress login form (but do read the caveats!).

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WordPress comments are now turned off on pages by default

Mel Choyce writes on Make WordPress Core: we’ve turned comments off on new pages by default.. This is huge!

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My WordPress web.config

Do you host your WordPress website on Windows Server IIS? And are you having trouble with your web.config? I often receive questions about how to use a web.config file in WordPress on Windows Server, and which settings are important for a WordPress site. Maybe it’s because I’m a WordPress on IIS enthusiast, so here is my web.config for your convenience (really, it’s not that special).

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Load Transposh Translation Filter over HTTPS

Transposh Translation Filter is the translation filter for WordPress, Transposh helps you multi-lingualize your blog with ease by translating your posts automagically. Unfortunately, Transposh plugin doesn’t load over HTTPS, which is easy to fix…

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Vevida Optimizer WordPress plugin

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.

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