Common WordPress Errors and How to Fix Them


Jun 16, 2020

Common WordPress Errors and How To Fix

As a WordPress user, you’ve likely encountered various errors that can cause frustration and disrupt your website’s functionality. From the dreaded “White Screen of Death” to cryptic WordPress errors in your log, these issues can leave you scratching your head and searching for solutions. Fortunately, with a bit of knowledge and the right WordPress fix, you can overcome these common WordPress errors and keep your site running smoothly.

In this article, we’ll explore some of the most frequently encountered WordPress errors, including website crashes, slow loading times, security vulnerabilities, and plugin conflicts. By understanding the causes behind these issues and learning effective troubleshooting techniques, you’ll be well-equipped to tackle any WordPress challenge that comes your way. So, let’s dive in and discover how to fix these common WordPress errors and maintain a healthy, error-free website.

Website Crashes

Website crashes can be frustrating and cause significant downtime for your WordPress site. When your website becomes inaccessible or fails to load properly, it’s crucial to identify the root cause and take appropriate steps to resolve the issue. Let’s explore the common causes of website crashes, the steps to fix them, and preventive measures you can take.

Common Causes

  1. Plugin conflicts: Incompatible or outdated plugins can cause conflicts, leading to website crashes.
  2. Theme issues: Poorly coded or incompatible themes may trigger crashes and affect site functionality.
  3. Hosting problems: Insufficient server resources, server misconfigurations, or hosting provider issues can result in crashes.
  4. Malware infections: Malicious code or hacking attempts can compromise your website and cause it to crash.

Steps to Fix

  1. Deactivate plugins: Temporarily deactivate all plugins and reactivate them one by one to identify the problematic plugin.
  2. Switch to a default theme: Change your theme to a default WordPress theme to rule out theme-related issues.
  3. Contact your hosting provider: Reach out to your hosting support team for assistance in resolving server-related problems.
  4. Scan for malware: Use a reliable security plugin or service to scan your website for malware and remove any infections.

Preventive Measures

To minimize the risk of website crashes, consider the following preventive measures:

  1. Keep WordPress, plugins, and themes up to date.
  2. Choose reputable plugins and themes from trusted sources.
  3. Regularly monitor your website for any unusual behavior or errors.
  4. Implement a robust security solution to protect against malware and hacking attempts.
  5. Opt for reliable hosting with sufficient resources to handle your website’s traffic and requirements.

By understanding the common causes of website crashes and following the steps to fix them, you can quickly restore your WordPress site’s functionality. Additionally, implementing preventive measures will help ensure a more stable and secure website experience for your users.

Slow Loading Times

Slow loading times can be a major source of frustration for your website visitors, leading to high bounce rates and poor user experience. When your WordPress site takes too long to load, it’s crucial to identify the underlying causes and take appropriate measures to optimize its performance. Let’s explore the common culprits behind slow loading times and the steps you can take to speed up your website.

Identifying Slow Components

  1. Plugins: Poorly coded or resource-intensive plugins can significantly impact your website’s loading speed. Use tools like Query Monitor or GTmetrix to identify plugins that are causing performance bottlenecks.
  2. Themes: Bloated themes with excessive features and unoptimised code can slow down your website. Test your theme’s performance and consider switching to a lightweight, optimized alternative if necessary.
  3. Images: Large, unoptimised images can drastically increase page load times. Ensure that your images are properly compressed and sized for web usage.
  4. External scripts: Third-party scripts, such as ads or social media widgets, can introduce additional HTTP requests and slow down your site. Evaluate the necessity of each external script and remove or optimize them accordingly.

Optimisation Techniques

  1. Caching: Implement a caching plugin like WP Rocket or W3 Total Cache to serve static versions of your pages, reducing the load on your server and improving loading times.
  2. Image optimization: Use plugins like Smush or ShortPixel to compress your images without compromising quality. Consider lazy loading techniques to defer the loading of images until they are needed.
  3. Minification: Minify your CSS, JavaScript, and HTML files to reduce their size and improve loading speed. Plugins like Autoptimize can automate this process for you.
  4. Content Delivery Network (CDN): Leverage a CDN to distribute your website’s static files across multiple servers worldwide, reducing latency and improving loading times for visitors located far from your primary server.

Best Practices

To maintain optimal loading times, consider the following best practices:

  1. Keep your WordPress core, plugins, and themes up to date to ensure compatibility and performance improvements.
  2. Regularly audit your plugins and remove any that are unnecessary or no longer in use.
  3. Optimize your WordPress database by removing unused data, such as post revisions and orphaned metadata.
  4. Use a reliable and performance-oriented hosting provider that offers optimized server configurations for WordPress.
  5. Monitor your website’s performance regularly using tools like GTmetrix or Pingdom to identify and address any emerging issues promptly.

By identifying slow components, implementing optimization techniques, and following best practices, you can significantly improve your WordPress site’s loading times. A faster website not only enhances user experience but also positively impacts your search engine rankings and overall online success.

Security Vulnerabilities

WordPress security vulnerabilities can leave your website exposed to various threats and attacks. Understanding these vulnerabilities and implementing appropriate fixes is crucial to safeguard your site and protect sensitive data.

Common Security Issues

  1. Outdated WordPress Core: Running an outdated version of WordPress makes your site vulnerable to known security issues that have been fixed in newer releases.
  2. Vulnerable Plugins and Themes: Plugins and themes with security flaws can provide entry points for attackers to exploit your website. In 2021, vulnerable plugins and extensions accounted for more WordPress compromises than outdated core software.
  3. Weak Passwords: Simple, easily guessable passwords make it easier for hackers to gain unauthorized access to your WordPress admin area.
  4. Insufficient User Permissions: Granting excessive user permissions can increase the risk of security breaches if an account gets compromised.

Fixes and Patches

To address these security vulnerabilities, consider the following fixes and patches:

  1. Keep WordPress Core Updated: Regularly update your WordPress installation to the latest version to ensure you have the most recent security patches and bug fixes.
  2. Update Plugins and Themes: Keep your plugins and themes up to date to prevent attackers from exploiting known vulnerabilities. Remove any unused or outdated extensions.
  3. Enforce Strong Passwords: Implement a strong password policy for all user accounts. Encourage the use of long, complex passwords that include a mix of uppercase and lowercase letters, numbers, and special characters.
  4. Manage User Permissions: Assign user roles and permissions based on the principle of least privilege. Only grant users the access rights they need to perform their tasks.

Enhancing WordPress Security

In addition to addressing specific vulnerabilities, you can further enhance your WordPress security by:

  1. Implementing Two-Factor Authentication: Enable two-factor authentication to add an extra layer of security to your login process.
  2. Using Security Plugins: Install reputable security plugins that offer features like malware scanning, firewall protection, and login attempt monitoring.
  3. Regularly Monitoring Your Site: Keep an eye out for suspicious activity, unauthorized changes, or unusual behavior on your WordPress site.
  4. Keeping Backups: Maintain regular backups of your WordPress files and database to ensure you can quickly restore your site in case of a security incident.

By understanding common WordPress security vulnerabilities and implementing appropriate fixes and security measures, you can significantly reduce the risk of your site falling victim to attacks and protect your valuable data and reputation.

Plugin Conflicts

Plugin conflicts occur when two or more plugins clash with each other, leading to functionality issues or website crashes. These conflicts can arise due to incompatible code, resource conflicts, or outdated plugins.

Identifying Conflicting Plugins

To identify conflicting plugins, you can follow these steps:

  1. Deactivate all plugins and switch to a default WordPress theme.
  2. Reactivate plugins one by one, checking your site’s functionality after each activation.
  3. When the issue reappears, you have found one of the conflicting plugins.
  4. Keep the conflicting plugin active and deactivate the others to find the second conflicting plugin.

You can also use diagnostic plugins like Plugin Detective or Health Check & Troubleshooting to streamline the process and quickly pinpoint problematic plugins.

Resolving Conflicts

Once you’ve identified the conflicting plugins, you can resolve the issue by:

  1. Deactivating one or both of the conflicting plugins.
  2. Finding alternative plugins that provide similar functionality without conflicts.
  3. Contacting the plugin developers to report the issue and seek guidance.
  4. Updating the conflicting plugins to their latest versions, as newer releases may address compatibility issues.

If you’re unable to resolve the conflict, consider hiring a professional WordPress developer to investigate and fix the issue.

Preventive Tips

To minimise the risk of plugin conflicts, follow these best practices:

  1. Keep your plugins updated to ensure compatibility with the latest WordPress version and other plugins.
  2. Research plugins before installing them, checking user reviews and support forums for any reported conflicts.
  3. Limit the number of plugins you use to only those essential for your website’s functionality.
  4. Regularly audit your plugins and remove any that are no longer necessary.
  5. Use a staging site to test plugin updates and new installations before applying them to your live website.

By identifying conflicting plugins, resolving conflicts, and following preventive measures, you can ensure a smooth and error-free WordPress experience for your users.


Throughout this article, we’ve explored some of the most common WordPress errors, including website crashes, slow loading times, security vulnerabilities, and plugin conflicts. By understanding the causes behind these issues and learning effective troubleshooting techniques, you’ll be well-equipped to tackle any WordPress challenge that comes your way. Remember to keep your WordPress core, plugins, and themes up to date, regularly monitor your website’s performance and security, and follow best practices to minimise the risk of errors.

While this guide provides solutions to many common WordPress problems, there may be instances where you encounter an issue that requires further assistance.

If you have a WordPress or WooCommerce problem that you’re unable to fix using this guide, get in touch at

and one of our team will get right back to you. With the right knowledge and support, you can overcome any WordPress hurdle and ensure your website runs smoothly and efficiently.


How can I resolve common errors in WordPress?

To tackle common issues in WordPress, start by enabling the debug mode. This feature helps in pinpointing errors on each page. Additionally, clearing your cache is crucial, especially if you continue to see outdated files even after resolving issues like the White Screen of Death (WSOD).

What steps should I take to address a page error in WordPress?

To fix a 404 error in WordPress, you can try several approaches:

  • Clear your browser history and cookies.
  • Configure your permalinks settings.
  • Restore or update necessary files.
  • Set up a 301 redirect to manage old URLs properly.
  • Temporarily disable plugins and themes to see if they are causing the error.
  • Update the WordPress URL in your database.
  • Address 404 errors specifically on local servers using alternative methods.

How do I troubleshoot a bug in WordPress?

Begin by deactivating all plugins and switching to a default theme, such as Twenty Twenty-One, to check if the issue still exists. This method helps determine if a specific plugin or theme is at fault. Additionally, review the WordPress error logs, as they can provide insights into what might be causing the bug.

What are the steps for troubleshooting WordPress core issues?

For troubleshooting core files in WordPress:

  • Use FTP to connect to your site.
  • Rename the ‘wp-admin’ and ‘wp-includes’ directories to make sure you’re working with clean copies.
  • Back up your ‘wp-config.php’ file as a precaution.
  • Upload a fresh version of WordPress.
  • Test the core functionality.
  • Reactivate your theme and plugins one by one, testing each to ensure they function correctly.
Published On: May 20th, 2024 / Categories: Web Development, Tips & Tricks /

Subscribe To Receive The Latest Blogs For Tips, Tricks & More

Add notice about your Privacy Policy here.