4 - Use Preloading Resources

Preloading and pre-fetching is a technique used to instruct a browser and load resources in the background that a user may need.

It's a system that sort of predicts the next page or pages that a web user would visit. So the preloader fetches these pages and loads them in the background in anticipation of the user's next click.

Some techniques used are DNS pre-fetching to the speed of load time and Pre-rendering for loading the most important pages before they are requested. Preloading and pre-fetching resources are available in some of the caching tools such as WP-Rocket.

5 - Upgrade Your PHP Version

Upgrading the PHP version of your site isn't a task to be undertaken by the faint-hearted. But the rewards in terms of page speed improvement are great benefits to all.

You may not be required to make any physical changes to your website when upgrading your PHP version. You will, however, need the assistance of your web hosting company or a developer.

PHP is the programming language used for creating most CMS (Content Management Systems) that you know. While the current version of PHP works fine, the developers of PHP are constantly working to improve future versions.

And one of the features of newer PHP versions is the improvement in speed that it offers to users. However, you need to check out for the features of the newer PHP version you want to upgrade to.

Also, note that PHP upgrade may adversely affect your WordPress site, so you need to have someone capable of handling any of these. If you're able to get the upgrade done successfully, you are sure to reap speed improvements for your website.

6 - Take Advantage of Browser Caching

The caching that was mentioned earlier is server caching and a lot different from browser caching. The browser caching is a mechanism that is built into newer browsers to enable web pages to load faster.

Browser caching follows a simple method which is quite easy for anyone to understand. When a web browser first loads any web page, it saves some elements of the page such as CSS and JavaScript files on the user's device.

When next the website or a particular page on it is visited by the user, the browser serves the page using the elements that were saved earlier on. This leads to a greatly improved load speed because the web page is being served with elements that were locally saved on the user's device.

To configure this feature for your website, you'll have to instruct the web browsers through the .htaccess file on your server. However, the WP-Rocket WordPress caching plugin handles the browser caching without any input from you.