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Top Mistakes on Speeding Up WordPress

Top Mistakes on Speeding Up WordPress

The competition between websites now becomes more and more fierce as there are an increasing number of websites on the Internet. Apart from creating readable content, increasing visual enjoyment, and using suitable layout, fast speed is the key to victory. As many researchers suggest, the maximum time for people waiting for a website loading is less than three seconds.

Fast speed means good user experience, large traffic, as well as high SEO rankings. However, for many people, newbies in particular, they have little experience in this field and make many fatal mistakes on website speed building. In order to help our readers establish a better website, we carefully summarize several easy to make mistakes in below, expecting that all readers can gain benefits from them.

Choose a Slow Web Host

web hostThe web hosting solution has a significant influence on the website performance. And the slow hosting solution is the mainly server issue. If you purchase a bad hosting solution with limited bandwidth and slow server response speed, your website definitely has a slow speed.

Besides, many personal and small businesses host their websites on shared web hosting with which their sites share the same server resources with thousands of other websites. In this case, your site can be slow down because of the over consumption of other websites on the same server.


To ensure your site performance, you should choose a truly reliable WordPress hosting package. Going with the reputable hosting providers who build rock data centers and utilize high performance servers, you can get quite fast hosting solutions.

After reviewing some reputable evaluation websites such as HowsHosting and WhatsWP, we notice that all of these websites speak highly of the hosting service offering by the below companies.

Install Too Many Plugins

We all know that managing a website manually is not an easy task. In this case, as a successful and considerate CMS, WordPress offers many useful plugins to help users control their sites. However, plugins are a double edged sword. On the one hand, they help you build an outstanding website. On the other hand, they might be the biggest cause lead to website slowness. Because once you install a new plugin, it will occupy some CPU and take some server resources to running. When you have installed a large number of plugins, it’s no wondering your website get slow notably.

Besides, good and bad plugins mixed up, and it’s easy to pick up a poor coding plugin. As the programmers may don’t take the performance impacts into consideration, or overlook the possible conflicts which their code might have on other plugins or the core functionality of WordPress, your site speed may be greatly affected by the bad coding plugins.


You can certainly use some plugins for the specific functionality, but for the sake of website performance, you should limit the number of plugins you use on your WordPress site and make sure that you only install the really necessary ones. Besides, when you choose a plugin, you should avoid the bad and bloated plugin, but go with the really best WordPress plugin which are completely compatible with WordPress core and the main plugins.

Not Use a Cache Plugin

Cache plugins produce static files according to your WordPress blog and then your web server will serve the file rather than the initial PHP scripts that are heavier. In this way, your server works with fewer burdens. However, not all the webmasters remember installing them.


You can deactivate all other plugins for speed concern, however, there is only exception – cache plugins that target to accelerate your websites. We recommend the well-performed cache plugins for you – WP Super Cache.

Without a CDN

cdnCDN is the short name for Content Delivery Network that can accelerate your WordPress website in times. It achieves this by taking away your static content including images, CSS, js, and so on so forth. As a result, it reduces the burden of your web servers. However, many webmasters simply ignore this powerful tool and think there is no benefit it can bring.


In today’s market, there are two main CDN services containing CloudFlare and MaxCDN. You can choose one of them. If you are confusing about them, please read CloudFlare VS MaxCDN to know their difference.

Of course, good things always come with a price and CDN is no particular in this regard. Out of budget concern, you can consider a reliable we hosting solutions that have CDN service integrated. For example, the below companies includes CloudFlare CDN by default for speeding up WordPress sites.

Using a Poor Theme

For a variety of reasons, you may install a custom theme to beautify your website. However, some premium WordPress themes may just be the killers of your site speed. In general, the premium theme includes many large pictures, flashes, JavaScript, etc, which may extremely slow down the site speed.

By contrary, the simple WordPress theme Twenty Ten/Twenty Eleven has a very excellent performance because it keeps the guts simple and light which are always the way to have speedy websites.


WordPress themes are necessary for customize the website appearances. However, you should start with a solid and light template, and make sure your theme has been properly constructed by the developer. Note that try to avoid the themes that use a lot of JavaScript files.

Don’t Optimize Image Size

Applying images in posts or pages is a useful and effective solution to leverage website design. Thus, to make the web page or post content look beautiful and showy, site owners often use big and high-quality images. Although pictures can make your websites attractive, too many of them can occupy large room in servers. As a result, with the increasing of website content, your page loading speed becomes slower.


This problem is easy to solve. You can try to combine small pictures and big pictures together and only use them in the necessary place. Also, you can simply compress images before using it, and optimize its size, width, and length in photo editor instead of setting them in html properties.

Large Traffic

Every website owner expects a large traffic to be driven to their websites. However, do you know that too much traffic can slow down your website? A large number of customers visiting your websites means that a large number of data querying on your server database, and a large number of the page loading at the same time. This process consumes much memory and storage of your web hosting server, which leads your website loading speed really slow.


This issue can be easily fixed by upgrading your web server. If you are hosting your site on a shared web hosting, you can consider upgrading it to a VPS hosting with which you can have guaranteed resources and root access with a reasonable price. In general, going with the best VPS hosting you can get superior services.

If you have already utilized a VPS which still cannot resolve the slowness, you shall consider the change. Below is the best VPS companies we have reviewed from 100+ hosting packages, you can go with them for excellent performance and professional support.

Don’t Update Your WordPress

WordPress developers never stop the steps to fix the bugs in the previous versions. Website owners will be noticed the latest version at the top of the admin panel. For example, WordPress 4.9.4 contains 1 bug fix for WordPress 4.9.3 which has a problem to update automatically. At the same time, each update comes with the offerings of more features, which gives you the possibility to make a better website management.

This principle also applies to WordPress theme and plugins. There is the need for you to make regular updates so as to fix the security problems and use new features in time. Through the timely updates can make your WordPress website more safe and secure. That is to say, your website can better resist security threats out of vulnerabilities.

Upload Videos Directly to WordPress

It is convenient for you to directly upload videos. However, this practice will use more bandwidth and increase your backup sizes than the embedded videos. What’s more, your website speed will become slower. In this case, you will avoid those situations with the use of the built-in video embed feature.


Lucy has been a very experienced SEOer, technical writer, web developer, c# developer since 2002. Now she owns a startup in San Francisco, CA, focusing on running a couple of blogs to share knowledge and experience with global readers and deliver exceptional results to global sponsors by leveraging the power of Internet.