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10 WordPress Website Mistakes Beginners Make & How to Avoid Them

  • 6 minutes read time

Published: 11/09/2026

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Creating your own WordPress website has never been easier. With thousands of themes, plugins and increasingly powerful AI website-building tools, you can have a professional-looking website online remarkably quickly.

However, easy to build doesn’t necessarily mean easy to build well.

Many first-time WordPress users make simple mistakes that can lead to a slow website, poor Google rankings, security vulnerabilities and even lost business. The good news is that most of these problems are completely avoidable.

Here are ten common rookie mistakes when creating your own WordPress website – and how choosing the right WordPress hosting can help.

1. Choosing Cheap Hosting Based on Price Alone

One of the biggest mistakes is choosing web hosting simply because it is the cheapest available.

Your hosting is the foundation of your website. Slow or overcrowded servers can result in poor page-loading times, unreliable performance and a frustrating experience for visitors.

At Birch Hosting, our UK cPanel hosting uses fast NVMe storage and LiteSpeed web servers, helping WordPress websites deliver pages quickly and efficiently.

Instead of concentrating purely on price, look at performance, security, backups and the quality of support you will receive when something goes wrong.

2. Installing Too Many WordPress Plugins Can Slow Down Your Website

WordPress plugins are incredibly useful, but installing a plugin for every small feature can quickly become a problem.

Poorly coded or unnecessary plugins can increase page-loading times, create compatibility problems and potentially introduce security vulnerabilities.

Before installing a plugin, ask yourself whether you genuinely need it.

Remove plugins you no longer use and regularly check that the remaining plugins are being actively maintained and updated.

3. Forgetting to Update WordPress

WordPress websites aren’t something you can build and then forget about.

WordPress itself, themes and plugins regularly receive updates containing bug fixes, new features and, importantly, security patches.

Running outdated software can leave your website exposed to known vulnerabilities that attackers may attempt to exploit.

Make checking for updates part of your regular website maintenance routine, or ask us about our update sevice.

4. Uploading Huge Images

Uploading a 5MB photograph directly from your camera or phone and displaying it at 600 pixels wide is an extremely common beginner mistake.

Large images can dramatically increase page-loading times.

Resize images to approximately the dimensions at which they’ll actually be displayed and compress them before uploading.

Modern formats such as WebP can also significantly reduce file sizes while maintaining excellent image quality.

A fast server helps, but optimising your website’s content is equally important.

5. Ignoring WordPress Security and Malware Protection

A common misconception is:

“My website is small, so nobody will try to hack it.”

Unfortunately, automated attacks don’t care whether you’re running a multinational business or a five-page website for a local company.

Bots continuously scan the internet looking for vulnerable WordPress installations, outdated plugins and weak passwords.

This is why the hosting environment behind your WordPress website matters.

Birch Hosting uses Imunify360 to provide additional server-level security, including malware scanning and protection against malicious activity. CloudLinux also helps isolate individual hosting accounts, providing an additional layer of stability and security.

Security should never be an afterthought.

6. Using Weak Administrator Passwords

Using passwords such as your company name followed by “123” is asking for trouble.

Use a strong, unique password containing a combination of uppercase and lowercase characters, numbers and symbols.

Where possible, enable two-factor authentication (2FA) as an additional security measure.

Never reuse your WordPress administrator password for your email, cPanel account or other important services.

7. Installing Every Free Theme You Find

There are thousands of free WordPress themes available, but not every theme is created equally.

A badly designed theme can introduce unnecessary code, reduce website performance or create compatibility problems.

Choose a reputable, actively maintained theme and remove unused themes from your WordPress installation.

A lightweight website combined with LiteSpeed hosting and the LiteSpeed Cache plugin can provide significantly better performance than a bloated website packed with unnecessary features.

8. Not Backing Up Your WordPress Website

Imagine spending weeks creating your website and then losing it because of a mistake, failed update or security incident.

Backups are essential.

Birch Hosting provides JetBackup, allowing customers to restore website data when required. Having access to backups can turn a potentially disastrous situation into a much easier problem to resolve.

However, backups shouldn’t replace good security – they should form part of a wider website protection strategy.

9. Ignoring Mobile Visitors

Your website might look fantastic on your desktop computer, but what does it look like on a smartphone?

Always check your website on different screen sizes.

Make sure buttons are easy to tap, text is readable and menus work correctly. You should also avoid unnecessarily large images and complicated layouts that can make mobile pages slow.

Google primarily uses the mobile version of your website when evaluating pages for search, making mobile optimisation an important part of WordPress SEO.

10. Thinking You Have to Solve Everything Yourself

This is perhaps the biggest beginner mistake.

Building your own WordPress website doesn’t mean you should be completely on your own.

When your website suddenly displays an error or you’re unsure whether the problem is WordPress, PHP, DNS, email or your hosting account, having access to knowledgeable support can make an enormous difference.

That’s one of the reasons choosing a reputable UK WordPress hosting provider is so important.

Give Your WordPress Website the Right Foundation

WordPress is an excellent platform for creating a website, but its performance and security depend on much more than the design you see on the screen.

Your theme, plugins, images, updates, passwords and hosting environment all contribute to the finished website.

At Birch Hosting, our cPanel hosting combines UK-based servers, NVMe storage, LiteSpeed web servers, CloudLinux, Imunify360, JetBackup and friendly UK support to provide a fast and secure foundation for WordPress websites.

For customers requiring additional performance, selected premium hosting accounts can also benefit from Redis object caching at no additional cost.

Whether you’re building your first website, moving an existing WordPress site or running an established business website, choosing hosting designed around speed, security and support can help you avoid many of the problems that catch out first-time website owners.

Looking for Fast and Secure UK WordPress Hosting?

Don’t let slow hosting or poor support undermine all the work you’ve put into your new website.

Choose Birch Hosting cPanel Website Hosting for a fast, secure platform for personal websites, blogs and small businesses, or step up to cPanel Business Hosting when your business needs greater resources and performance.

Your website is important. Give it hosting that takes it seriously.

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