There are 4 major reasons why & how you should to speed up your forum:

Visitors don’t want to wait, so they will leave your website if it takes too long to load. Therefore, speeding up your website will be an added-value that brings higher visitor engagement, retention and conversation.
Google has announced that website speed affects its search ranking: faster websites are ranked higher because they provide visitors with a better experience. And that’s quite sensible.

The number of active smartphone users around the world has topped 1 billion. Mobile devices are slower, yet users expect sites to load as quickly on their phones as they do on their browsers.

Faster site saves you money on the server software and hardware. One way to improve your page load time is to use dynamic tools such as web servers distributed across multiple locations to deliver content more efficiently, e.g. from a server located closer to the end user. This is known as a content delivery network or CDN. There are no requirements for installing additional server software or hardware, while choosing a CDN hosting over a standard one.

You’ve wondered why your XenForo forum loads so slowly? Well, let’s check out 5 tips you can use now to speed up your XenForo forum.

1. Choose the Right Hosting / Server
Your site was probably put on the same server as hundreds or thousands of other sites. It could lead to slow speeds when many clients try to access this server at the same time.
Therefore, ensure that you choose the right hosting from a reputable provider – one who can meet all of XenForo’s hosting requirements: a limited number of sites per server, server hardware support, server caching support, XenForo expert support…

2. Enable Minify CSS
Minification is the practice of removing unnecessary characters from code to reduce its size, removing unnecessary spacing, and optimizing the CSS code; thus improving load times. When CSS are compressed all comments are usually removed, as well as unneeded "white space" characters like space, new line, and tab. Additionally code can be further formatted onto a single line instead of multiple.

In the case of CSS, this improves load time performance because the size of the file downloaded is often significantly, significantly reduced. Therefore, you have to enable it manually by following these steps:

On the Top Menu, select Home > Options > Performance and turn the Minify CSS to on option.

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