If you’ve searched recently for tips on optimizing WordPress’ performance, then you have definitely come across various techniques that people recommend. These include all sorts of caching mechanisms, such as reverse proxies, object caching and cache plugins, CSS minification, using sprites for images, and so on. All of them are viable and effective ways to speed up a WordPress website’s performance . However, be careful when implementing any of these techniques, and always test their effect on your particular website. In this article, we’ll cover some of the most common issues with various speed boosters that I have encountered and share solutions to help you fix those problems or find ways around them. Possible Problems When Using Reverse Proxies Such As Varnish And Nginx I will start with the reverse proxies because, when used correctly, they can give you the biggest speed boost and, when used improperly, can cause serious problems, such as making your website inaccessible or showing the wrong information to the wrong visitors.
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