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10 tips to speed up WordPress website

10 tips to speed up your website (WordPress) and what else to do to optimize it.

"A fast website makes visitors happy, improves search engine optimization and lowers bounce rates"


Check the performance of your website

It's easy to forget about site speed until you see a drop in Google rankings or an increase in bounce rate. Therefore, it is extremely important to keep an eye on WordPress website performance, especially as it is one of the many factors which Google takes into account when determining the search engine rankings.

There are several tools you can use to measure website speed:

  • Pingdom Tools – Links: - offers free real-time website monitoring and has both a desktop app and a mobile app for iOS and Android devices. This tool provides both qualitative and quantitative results, allowing you to pinpoint where your site's performance is having issues and which pages are taking longer to load than others.
  • GTMetrix – Links: GTMetrix – is another free tool used by WordPress users to test how their websites perform under different conditions (e.g. high traffic). Also, GTMetrix allows you to compare two versions of the same page, e.g. B: What would happen if I put an extra paragraph here? how about here
  • Google Page Speed ​​Analytics – also a recommended tool, which also shows the user-friendliness

Optimize and compress images

When you upload images to your website, you need to make sure they are optimized for the web. Optimizing means reducing the file size of your images so they load faster and use less bandwidth. To do this, you can use a program like Photoshop or Gimp, which have built-in compression features. If you don't want to pay for the software, there are free tools like TinyPNG (for PNGs) and JPEGMini (for JPGs).

Optimize the website code

  • Use a tool like WP-Optimize to remove unnecessary code.
  • Clean up your database to reduce size and loading time.
  • Remove unused CSS, JavaScript and plugins (instructions here).
  • Use a caching plugin to reduce page load times. (e.g. Litespeed caching)

More and more important: use cache!

The cache is a buffer for data that browsers can access quickly. Most commonly, caching is used to store dynamic content such as ads, comments, and resource-consuming pages. That way, when you revisit your site, you'll see the cached version instead of reloading the page from scratch. Caching plugins can significantly improve your site's speed as they ensure that content loads faster from the server since it has already done much of the original work.

You can install a caching plugin manually or use an auto-installer like WP Rocket (more on that later). Once installed, you usually need to set up a few basic settings before you can take advantage of a caching plugin on your site:

  • enable caching - Make sure "Enable caching" is ticked so your web server knows which files to cache; usually this includes all static files like html pages and images!
  • Setup preload - If you have activated the function, you may first notice strange-looking URLs in your browser's address bar. That's because WordPress has been told where certain resources are on disk (e.g. https://examplewebsite/wp-content/cache/) but hasn't retrieved them yet, so they're still over normal HTTP requests rather than HTTPS requests (which means slower speeds). To work around this issue, we recommend installing another plugin called Preloadr, which automatically adds granular headers that indicate what type of resource each website should serve, depending on whether

Load JavaScript correctly (async)

One of the best ways to speed up your website is to load JavaScript properly.

You can do this in three ways:

  • Use async attribute and defer attribute together
  • use async attribute without defer attribute (for legacy browsers)
  • Use defer attribute without async attribute (for legacy browsers).

Minify HTML and CSS

Reduce HTML and CSS code:

This is a must if you have a website with a lot of image and JavaScript files. If your website uses WordPress, there is a plugin called WP-Minify that will do this for you automatically by consolidating all the CSS and JavaScript files into one file. This greatly reduces the number of HTTP requests required to load your website, making it load faster than before.

It's also possible to minify files manually (using tools like YUI Compressor), but if you don't know how to do that or want to use the automatic method instead, then install WP-Minify from the official WordPress plugin repository here .

If you use a caching service like WP-Rocket or Litespeed Caching, you can select the option here.

Keep WordPress up to date.

Keeping WordPress up to date is an important part of maintaining a website. Updates often include security fixes, performance improvements, and new features that keep your site running smoothly.

There are two ways you can update WordPress: manually or automatically. The first option means you have to remember when an update is available for download and then download it before manually applying it to your site. This means diverting your time from other tasks or topics that need your attention at the time.

It makes more sense to automate this process because it's easy to forget something as simple as a software update when so many other things in life require our attention! You can do this by enabling automatic updates in version 4+ of WordPress (or 3 if necessary).

reduce plugins

The next tip to speed up a WordPress website is to reduce the number of plugins you use in WordPress. Plugins can slow down your site, so only use the ones you really need. If you're not sure which plugins are safe, you can use a plugin like WP Optimize to help you.

Empty/clean up database

You can clean up your database by editing and deleting old posts, pages, comments, and other content. If you haven't already, you should do it now.

Use a CDN (Content Delivery Network).

A content delivery network or CDN is a service that distributes the content of your website to users. CDNs are used to speed up websites and reduce bandwidth costs.

CDNs can be used to cache images, style sheets, and JavaScript files. So what does that mean? When a user visits your site for the first time, their browser downloads all resources from your host server (hosting provider). If you have an image on your page, it will load from there as well. This means that all of these resources require access to the internet so that they can be downloaded by your visitor's browser! If you're using a CDN with Cloudflare and have additional caching services enabled, the resources will be loaded from Cloudflare's servers when you revisit them, not yours directly!

Of course, a big advantage is the cost savings because we don't have to pay any data transfer fees, and the faster loading times because all these little things are no longer fetched from one big server, but are spread over several locations around the world without that the quality suffers as a result.”

A fast website puts visitors at ease, improves search engine optimization, and lowers bounce rates

A fast website is better for your business, and not just because it's nice when words appear instantly on a page. There are other advantages of a fast website:

  • Visitors are more likely to stay on a website if it's fast.
  • A fast website is more likely to appear higher in search results, attracting more visitors who are looking for exactly what you have to offer.
  • A fast website is more likely to be shared on social media (and every post counts).
  • A fast website is also more likely to be shared via email (again, every post counts). Or on social media.


If you take the time to optimize your WordPress website, you will see better performance and higher user activity. It is important that you focus all your efforts on the users - and not just on making everything look nice.

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