How to Fix Slowness on WordPress Site: Issues and Solutions

How to Fix Slowness on a WordPress Site
Image Credit: onlinemediamasters

Have you ever checked your site through PageSpeed.dev, GTmetrix, or Pingdom and realised that your site is crawling? If you’ve ever wondered why your WordPress site takes ages to load, you’re not alone. Don’t worry; we will talk about how to fix slowness on WordPress site.

A slow website is frustrating not just for your visitors but for you too. With so many options available online, users don’t wait. If your website is slow, visitors will leave. If your website is slow, it can mess with your Google rankings and push your site way down the search results. Today, it’s about mobile experience. If your mobile PageSpeed Insight is poor, you must take action to keep your site at the top of search results.

Let’s fix that. Below are real, straightforward tips to speed up your WordPress site without needing to be a tech wizard.

Why Your WordPress Site Is Slow

Before jumping into fixes, it helps to know what’s causing the lag. Some of the most common culprits include:

  • Cheap or shared hosting
  • Heavy themes and plugins
  • Large, uncompressed images
  • Too many HTTP requests
  • No caching system in place
  • Outdated PHP version or WordPress core
  • Too many redirects or bloated code

Let’s tackle each one — with solutions that actually work.

1. Switch to Better Hosting

If you’re using a cheap, shared host, performance will suffer. Your site is competing for resources with tonnes of other websites.

Solution: Upgrade to a good hosting provider; look for those optimised for WordPress, such as:

Even a small upgrade in hosting can speed things up noticeably.

2. Use a Lightweight Theme

Fancy themes that include animations, sliders, and flashy visuals can significantly slow down your website. Furthermore, themes with a large amount of JavaScript and multiple CSS requests can contribute to your site’s slow loading time.

Solution: Use a quick and simple theme such as:

  • GeneratePress
  • Astra
  • Blocksy
  • Kadence

They’re all clean, responsive, and built for speed.

3. Optimize Images

Uploading large images without compression is a silent site killer. Images should look great, but they shouldn’t be huge. Images with greater megabytes can contribute to the site’s size, leading to slow loading.

Solution:

  • Resize images before uploading (max width 1200px is usually enough)
  • Use image compression tools like TinyPNG, ShortPixel, Imagify or Smush
  • Use WebP format where possible

Also, install a lazy loading plugin to ensure that images load only when the user scrolls to them.

4. Install a Caching Plugin

Without caching, your site loads from scratch every time someone visits. That’s like boiling water from ice cubes every time you want tea.

Solution: Install a caching plugin like:

  • WP Fastest Cache (easy to use)
  • LiteSpeed Cache (great if your host supports it)
  • W3 Total Cache (a bit technical, but powerful)

Turn on features like:

  • Browser caching
  • Gzip compression
  • Minify HTML/CSS/JS

Don’t overdo it, though; test changes to make sure they don’t break your site layout.

5. Limit Plugins

Too many plugins = slow site. Some plugins even conflict with each other, which adds to the mess.

Solution:

  • Deactivate and delete any plugin you don’t absolutely need
  • Use multi-function plugins (e.g., Rank Math for SEO + redirection)
  • Avoid plugins that load scripts on every page unnecessarily

6. Use a CDN (Content Delivery Network)

A CDN stores your site’s static files (images, CSS, JS) on servers around the world. So when someone visits your site from the UK, they don’t have to wait for your country server to respond.

Solution: Use free CDNs like:

  • Cloudflare
  • Jetpack CDN (formerly Photon)
  • BunnyCDN (cheap + fast)

They help speed up delivery and reduce server load.

But be careful with CDNs, as they may cause duplicate content if not properly configured.

7. Keep Everything Updated

Outdated themes, plugins, or PHP versions can slow things down or even cause crashes.

Solution:

  • Always run the latest version of WordPress
  • Update your plugins and themes regularly
  • Ask your hosting provider to upgrade your PHP version to the latest stable one (currently PHP 8.4 or higher)

8. Clean Up Your Database

Over time, your WordPress database collects junk post revisions, spam comments, and expired transients.

Solution: Use a plugin like:

  • WP-Optimize
  • Advanced Database Cleaner

Run a cleanup once every week or two.

9. Disable Hotlinking

Hotlinking is when someone embeds your images on their site, using your bandwidth. That slows you down.

Solution: If you’re using Cloudflare, you can block hotlinking in just one click. Or use a plugin like All In One WP Security to set rules manually.

10. Avoid Too Many Redirects

Every redirect adds delay. For example, going from “http://” to “https://” and then to “www.” wastes time.

Solution: Use only one redirect structure. Choose either:

  • “https://yourdomain.com” or “https://www.yourdomain.com”

Set it once, and stick to it. Then check for redirect chains using tools like Ahrefs, Screaming Frog, or Redirect Checker.

In conclusion, speed matters not just for user experience but for SEO too. Google uses site speed as a ranking factor, and if your site is sluggish, it will push you down the results.

Fixing a slow WordPress site doesn’t have to be complicated. Tackle one thing at a time, and you will notice improvements. Even small tweaks make a big difference.

FAQ: Speeding Up Your WordPress Site

Q1: Why is my WordPress site suddenly slow?

A sudden drop in speed can be due to things like a bloated plugin, increased traffic, expired cache, outdated PHP, or even poor hosting. It’s always good to check recent changes before digging deeper.

Q2: How can I test my website speed accurately?

Use tools like PageSpeed.dev, GTmetrix, and Pingdom. These will show your load time, performance score, and areas you need to fix.

Q3: Does website speed affect SEO and Google ranking?

Yes, big time. Google uses page speed—especially on mobile—as a ranking factor. A slow site can hurt your visibility and reduce how often Google indexes your content.

Q4: Is shared hosting really that bad for WordPress speed?

It depends on the host, but generally, shared hosting means you’re sharing server resources with many other sites. This can make your site crawl, especially during traffic spikes.

Q5: Do I need to be a tech expert to speed up my WordPress site?

Nope. With simple tools and plugins (like caching and image optimisation), you can improve speed even without coding knowledge.

Q6: Which image format is best for speed?

WebP is currently the best. It’s lighter and still keeps quality. JPEG is fine too; just make sure it’s compressed.

Q7: How often should I clean my WordPress database?

If you post often or update regularly, clean it every 1–2 weeks. Use tools like WP-Optimise to do this safely.

Q8: Can too many plugins slow down my site?

Absolutely. Especially if they load scripts across every page or run heavy background processes. Always go for lightweight, well-coded plugins.

Q9: What is a CDN, and do I really need one?

A CDN (Content Delivery Network) helps deliver your site content faster by using global servers. If your visitors come from different countries, a CDN like Cloudflare is a smart move.

Q10: My mobile speed score is low. What can I do?

Focus on compressing images, using a lightweight theme, removing render-blocking scripts, and enabling caching. Most importantly, test changes using mobile-specific scores on PageSpeed Insights.

Q11: Is it safe to minify JavaScript and CSS?

Yes — but always test your site after enabling it. Sometimes, minification can break design or functionality. Start with CSS, then JavaScript, and exclude files if needed.

Q12: Should I switch themes to improve speed?

If your current theme is bloated with scripts, it’s worth switching to a lighter theme like GeneratePress, Astra, or Kadence. These are built with performance in mind.

About Mathew Otu

Mathew Otu, a tech blogger with over 15 years of experience, has been sharing insights on emerging technologies, mobile apps, and digital solutions since 2008. He has also contributed to... Read More

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