12 Reasons Why Your Website Is Slow (And How to Fix Them)7th June 2019
Site speed plays a crucial role in the success of your website. It affects a variety of key metrics, for example, including your site’s visibility and conversion rate. Optimizing your website’s speed is clearly a necessity, but figuring out how to do it can be tricky.
Fortunately, there are several easily-accessible speed tests you can use to determine how your site’s performance measures up. Although there are several reasons your site may be slow, you can resolve many of them with free WordPress plugins and quality web hosting.
In this post, we’ll explain why site speed is so vital to your website. Then we’ll share solutions to 12 common issues that can lead to poor website performance. Let’s dive right in!
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Why Your Website’s Loading Speed Matters
These days, users expect websites to be fast. When pages take longer than expected to load, it negatively impacts your site’s User Experience (UX). This matters because any time your UX takes a hit, so does your conversion rate.
You’ll likely see higher page abandonment and bounce rates as well. To be more specific, studies show that an additional two seconds of loading time can increase your site’s bounce rate by 103 percent. Plus, just 100 milliseconds of extra loading time can cause a 7 percent drop in conversion rates.
Even fractions of a second count, so optimizing your site’s performance as fully as you can is crucial. What’s more, website speed not only influences whether users stay on your site and convert; it also affects whether or not they can find it in the first place.
Site speed is now a Google ranking factor for both desktop and mobile sites. If you don’t maintain decent website performance, your site’s visibility on Search Engine Results Pages (SERPs) may decrease, leading to lower traffic levels.
With your website’s success on the line, speed can’t be ignored. If you’re feeling overwhelmed, a smart place to start is by testing to determine where your site stands now. You can run load time tests to see how long your users are waiting and then get to work on decreasing those numbers.
12 Reasons Your Website Is Slow (And How to Fix Them)
Once you know the current state of your site’s performance, you can start optimizing key factors that influence site speed. Let’s look at 12 of the most common problems that contribute to slow websites and discuss how to resolve them.
2. You’re Not Using a Content Delivery Network (CDN)
A Content Delivery Network (CDN) consists of several servers that are placed in strategic geographic locations. You can store copies of your website on them so its pages can be quickly loaded by users who are located far away from your main server.
There are several CDN options for your WordPress site. Cloudflare is one of the most popular solutions, as is the Jetpack CDN for images and videos. For customers on our DreamPress Plus and Pro plans, you’ll get unlimited CDN usage powered by Jetpack.
3. There’s Excessive Overhead in Your Database
‘Overhead’ refers to extraneous items in your site’s database — things like logs, transients, and other entries from plugins or themes can build up over time. Too much of this ‘overhead’ can cause database queries to take longer than necessary. In some cases, it can even cause your web server to time out while waiting for a response from your database.
Optimizing your database by removing overhead will help prevent this. Most web hosts allow you to access the database management platform phpMyAdmin via your hosting account. If you aren’t able to optimize your tables in phpMyAdmin, you can use the WordPress Command Line interface (WP-CLI).
4. Your Site’s CSS Isn’t Optimized
- If you have several external CSS files, combine them into one or a few files.
- Remove external CSS and use inline CSS instead.
- Use ‘media types’ to specify when certain CSS files should be loaded.
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5. OPcache Isn’t Enabled
OPcache is a built-in caching engine for the coding language PHP. If you use PHP on your site, having OPcache enabled can speed up its loading and the loading of your pages as a result.
If you host your website with one of our Shared WordPress or DreamPress plans, OPcache is enabled by default. If your site is hosted using one of our other plans or with another web host, you’ll likely need to enable it manually.
6. Caching Issues Are Preventing Optimized Page Loading
Caching is when browsers store static copies of your website’s files. Then when users access your site, their browsers can display the cached data instead of having to reload it.
There are several caching solutions available for WordPress users, including using a caching plugin such as WP Super Cache.
Our DreamPress customers have the advantage of built-in caching, which is included with your hosting account.
This makes third-party caching plugins unnecessary. However, we do recommend using the Proxy Cache Purge plugin to manage your DreamPress cache.
The plugin automatically sends requests to delete cached data for a page or post after you’ve modified it. This can help prevent some caching issues that may result in slower site speeds.
7. Large Media Files Are Increasing Loading Times
Media files, such as images and videos, tend to be quite large. Optimizing them through compression can help to decrease their size and, therefore, improve your loading times.
TinyJPG is a free online tool that compresses images. There are also several plugins you can use to compress media files within WordPress, including Smush Image Compression and Optimization.
Compressing videos is a little trickier, so it’s usually better to host them externally on YouTube or another platform instead. You can then easily embed your videos on pages or posts.
Related: Guide to Gzip Compression in WordPress
8. Poorly-Written Scripts Are Conflicting With Other Site Elements
You can then investigate these files more closely to determine how you can improve them. It may also be useful to turn potentially problematic scripts off temporarily, to see how your performance scores change without them enabled.
9. Your Site’s Code Is Too Bulky
The more code your user’s web browser has to load, the longer it will take for your website to become visible. If your code is too ‘bulky’ or contains unnecessary characters and line breaks, your site may be slower. In response, you can ‘minify’ that code by removing the elements that aren’t needed.
Both plugins are solid choices. You might consider trying out each one and seeing which increases your performance test scores more.
Related: WordPress Minification: What It Is and How to Do It
10. Missing Files Are Causing Errors
In some instances, your WordPress installation may be missing files. If this happens, users will experience longer loading times as additional requests are made in an attempt to find the files. This process will eventually result in a 404 error if the files can’t be found.
The causes behind this issue are numerous and varied. Instead of trying to track down the source of the problem, the fastest solution is to restore your site from your most recent backup. This should replace the missing files with the versions saved in your backup.
11. Plugins Are Weighing Your Site Down
Having too many plugins — or even a few very bulky ones — can weigh your website down and cause poor performance. It’s wise to always completely remove any plugins you’re not using to minimize the chance that this will happen.
Additionally, some plugins can interfere with the caching of your site’s pages. If you’re using the Proxy Cache Purge plugin we mentioned earlier in this article, you can pinpoint which plugins are causing the problem by navigating to Proxy Cache > Check Caching.
12. Internet Issues Are Hurting Specific Users’ Performance
Finally, poor website performance can be due to an issue with a user’s Internet Service Provider (ISP), rather than with your site itself. Slow site speeds can result from network congestion, bandwidth throttling and restrictions, data discrimination and filtering, or content filtering.
If you notice slow speeds when visiting your site, you can run a traceroute between your computer and your website to test the connection. This should give you an idea of whether or not the problem is related to your ISP or is a more significant site-wide concern.
Lighten Your Website Load
Your website’s performance and response time are closely tied to its success, so taking every available opportunity to improve it is worth the effort. Figuring out why your website has lagging load times can help boost both its Search Engine Optimization (SEO) and UX, resulting in better visibility and a higher conversion rate.
We’ve covered twelve common causes of slow site speeds throughout this post. While ideally, you’ll want to optimize your site in all the ways we’ve mentioned, pinpointing specific areas for improvement — such as enabling caching or compressing your media files — can help you tackle the biggest issues first.
Looking for a hosting service that can keep up with your site’s performance needs? Our Shared Hosting plans are a convenient, low-cost solution that’s optimized for WordPress and ideal for new users. Check them out today!
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