How to update WordPress website, themes, plugins, and core 2025

Bluxel Africa

June 2, 2025

Why the guide How to Update WordPress Website?

s your WordPress website feeling sluggish, showing errors, or worse, worrying you about potential security breaches? That’s where this comprehensive 2025 guide How to Update WordPress Website comes in. We’ll walk you through the essential, step-by-step process to safely update your WordPress core software, themes, and plugins. Beyond just updates, we’ll cover critical maintenance tasks to ensure your site is always performing optimally, remains secure against threats, and continues to deliver a seamless experience for your visitors.

Why are these updates so vital? Regular updates patch security vulnerabilities, introduce new features, improve your site’s speed and efficiency, and ensure compatibility with the latest web technologies. Think of it as giving your website a regular health check-up and a crucial upgrade!

Ready to empower your WordPress site? Watch our detailed video tutorial below for a visual, step-by-step walkthrough, and then read on for an in-depth guide with all the resources you need!

Why Regular WordPress Maintenance is Non-Negotiable in 2025

In the ever-evolving digital landscape, neglecting your WordPress website is akin to leaving your front door unlocked in a bustling city. Regular WordPress maintenance, especially consistent updates, isn’t just a suggestion – it’s a critical component for the health and longevity of your online presence. Here’s why you absolutely cannot skip it and it is what motivated me to preparing How to Update WordPress Website 2025 guide :

Bolstered Security

Outdated software is a prime target for malicious actors. WordPress, themes, and plugins are constantly being refined by developers who identify and patch security vulnerabilities. If you don’t update, you’re leaving these “back doors” open for hackers to exploit, potentially leading to data breaches, malware infections, or even your site being taken down. Prioritizing WordPress security through updates is your first line of defense.

Enhanced Performance

New WordPress versions, themes, and plugins frequently come with performance optimizations. These improvements can significantly speed up your WordPress website, leading to a better user experience, lower bounce rates, and improved search engine optimization (SEO) rankings. A faster site means happier visitors and higher conversions.

Flawless Compatibility

The web is always advancing. New PHP versions (the programming language WordPress is built on), server environments, and browser technologies are regularly released. Updates ensure your site remains compatible with these advancements and other essential tools, preventing unexpected errors, conflicts, or breakdowns that can cripple your site’s functionality.

Access to New Features & Bug Fixes

Updates aren’t just about security; they also bring exciting new functionalities that can enhance your website’s capabilities. Furthermore, developers are continually identifying and resolving existing bugs, improving your site’s overall stability and reliability.

Your Step-by-Step WordPress Update & Essential Maintenance Checklist (2025)

We’ve broken down the entire process into actionable steps, mirroring our video tutorial for easy understanding. Follow this checklist to ensure a smooth, secure, and successful WordPress update and maintenance routine. at the end of the guide how to update your WordPress website you will have a fully updated optimized website

1. Enable Maintenance Mode (Prepare Your Site)

Before you start making significant changes like updating your WordPress core, themes, or plugins, it’s wise to put your site into maintenance mode. This displays a user-friendly message to your visitors, preventing them from seeing a broken or incomplete site during the update process.

How to do it:
- Using a Plugin: This is the easiest and safest method for most users. We recommend reliable plugins like SeedProd (Maintenance Mode, Coming Soon Page & Landing Page Builder) or WP Maintenance Mode & Coming Soon. Simply install, activate, and configure the message you want your visitors to see.
- Manual (Advanced Users): You can also add a small code snippet to your functions.php file or use an .htaccess rule, but for most users, a plugin offers a safer and more customizable solution.
Why it’s important: It ensures a professional appearance and prevents users from encountering errors or seeing unfinished work, which can negatively impact their experience and trust in your brand.

2. Backup Your WordPress Website (The Golden Rule!)

This is the SINGLE most critical step in any WordPress maintenance checklist. Never update your site without a recent, complete backup. A comprehensive backup is your essential safety net, allowing you to quickly restore your site in case anything goes wrong during or after the update process.

What to backup: Your entire WordPress installation, which includes all your website files (themes, plugins, uploads, core WordPress files) and your database (posts, pages, comments, settings).
Recommended Methods:
- Dedicated Backup Plugins: These are designed for ease of use and comprehensive backups.
  - UpdraftPlus: One of the most popular free backup plugins, offering scheduled backups and integration with cloud storage services like Google Drive, Dropbox, and Amazon S3. Learn more at UpdraftPlus.com
  - Duplicator: Excellent for both backups and migrating your WordPress site to a new host or domain. Visit SnapCreek.com/Duplicator
- Via Your Hosting Provider: Many web hosts offer their own one-click backup solutions, especially with managed WordPress hosting plans. Check your hosting provider’s documentation (e.g., cPanel backup features, dedicated backup tools).
- Manual Backup (for advanced users): This involves downloading your entire WordPress directory via FTP/SFTP and exporting your database using phpMyAdmin. While effective, it’s more time-consuming.
Storage: Always store your backups in multiple secure, off-site locations. Relying solely on your server is risky. Use cloud storage services, external hard drives, or other secure remote locations.

3. Checking Theme and Plugins Compatibility

Before hitting that “Update” button, a little pre-check can save you a lot of headaches later. This step helps prevent conflicts that could break your site.

WordPress Dashboard: Navigate to Dashboard > Updates. WordPress will often notify you here if there are known compatibility issues with your current WordPress core version and specific plugins or themes.
Plugin/Theme Repository & Developer Websites: This is where you’ll find the most up-to-date information.
- Visit the specific plugin or theme page on WordPress.org/Plugins or the developer’s official website.
- Look for the “Last updated” date – recent updates are a good sign.
- Check the “Tested with” WordPress version to ensure it’s compatible with your current or target WordPress version.
- Review recent user reviews or support forum discussions for any reported issues after recent updates.
Staging Environment (Professional Tip): For critical business websites, always test updates on a staging site first. A staging site is a clone of your live site where you can test updates without affecting your live audience. Many premium hosting providers offer one-click staging site creation. Learn more about the benefits of a WordPress staging site from resources like Kinsta’s knowledge base.

4. Updating WordPress Core, Themes & Plugins

Now for the main event! This is where you’ll actually perform the updates.

Recommended Update Order:
1. Plugins (one by one): It’s generally best practice to update your plugins individually. Start with non-critical plugins, and after each update, quickly check your website for any obvious issues. Then, proceed to update your critical plugins (e.g., e-commerce, security, forms).
2. Themes: Next, update your active theme. If you’re using a child theme (which you should if you’ve customized your main theme), make sure your parent theme is updated first. This prevents your customizations from being overwritten.
3. WordPress Core: Finally, update the WordPress core software itself. The WordPress dashboard will prompt you for major updates.
The Process:
- Navigate to Dashboard > Updates.
- Select the items you wish to update (or click “Update All” for core).
- Click “Update Plugins,” “Update Themes,” or “Update Now” for WordPress core.
After Each Update: Test Your Site Thoroughly! This step is crucial.
- Clear your website’s cache (if you use a caching plugin like WP Super Cache or LiteSpeed Cache).
- Clear your browser’s cache (Ctrl+F5 or Cmd+R).
- Thoroughly test your website:
  - Navigate to your homepage and key internal pages.
  - Test all forms (contact forms, subscription forms).
  - If you have an e-commerce site, perform a test purchase.
  - Check for any layout issues or broken functionalities.
  - Review your site on different devices (desktop, mobile).

5. Fixing Broken Links (Post-Update Check)

Even after careful updates, sometimes issues can arise that lead to broken links on your website, especially if URLs or permalinks were somehow affected.

Why it matters: Broken links create a frustrating user experience for your visitors, make your site look unprofessional, and can negatively impact your SEO by hindering search engine crawlers.
How to find them:
- WordPress Plugins: A popular option is the Broken Link Checker plugin, which scans your site and identifies broken links, allowing you to edit or unlink them directly from your dashboard.
- Online Tools: For more comprehensive analysis, consider using free or freemium online tools like Ahrefs Broken Link Checker or conducting a site audit using tools like SEMrush Site Audit (a premium tool with a free trial).
How to fix them: Once identified, you can either correct the incorrect URL, remove the link if the content is no longer relevant, or implement a 301 redirect to send users to a new, relevant page.

6. Security Checks & Malware Scanning

Beyond applying updates, regular security checks and malware scanning are paramount for ongoing WordPress security. Updates patch known vulnerabilities, but new threats emerge constantly.

Recommended Security Plugins:
- Wordfence Security: A highly-rated plugin offering a robust firewall, malware scanner, and login security features. Find out more at Wordfence.com
- Sucuri Security: Another top-tier solution that provides website firewall, malware scanning, and comprehensive security hardening. Explore their features at Sucuri.net/WordPress-Security
What to look for: After running a scan, carefully review any alerts for unauthorized file changes, suspicious code injections, or new user accounts you don’t recognize.
Strong Passwords & User Roles: Reiterate the importance of using strong, unique passwords for all WordPress user accounts and regularly reviewing user roles to ensure appropriate access levels.
SSL Certificate: Always ensure your SSL certificate is active (your site uses HTTPS) to encrypt data between your server and visitors’ browsers.

7. Performance Optimization (Beyond Updates)

While updates certainly contribute to a faster website, ongoing WordPress performance optimization is key for a truly lightning-fast and efficient site.

Caching:
- Plugins: Caching plugins create static versions of your pages, reducing server load and speeding up delivery. Popular choices include WP Super Cache or LiteSpeed Cache (especially if your host uses LiteSpeed servers).
Image Optimization: Large images are a common cause of slow loading times.
- Plugins: Use plugins like Smush or Imagify to compress images without significant loss of quality and to serve them in next-gen formats like WebP.
Database Optimization: Over time, your database can accumulate unnecessary data (post revisions, spam comments, trashed items).
- Plugins: Plugins like WP-Optimize can help clean up and optimize your database, making it more efficient.
PHP Version: Ensure your website is running on the latest stable PHP version (e.g., PHP 8.x). Newer PHP versions offer significant performance improvements and better security. You can usually check and update your PHP version through your hosting control panel (e.g., cPanel). Refer to the official PHP supported versions page for current information.
Remove Unused Themes & Plugins: Even inactive themes and plugins consume server resources and can pose potential security risks. Delete any that you no longer need.

What to Do If Something Goes Wrong (Troubleshooting Common WordPress Errors)

Even with the best precautions, sometimes issues can arise during or after updates. Don’t panic! Here’s a quick guide to troubleshooting common WordPress update failed scenarios:
- White Screen of Death (WSOD): This is one of the most common and frustrating WordPress errors. It’s usually caused by a plugin or theme conflict, or a PHP memory limit issue.
  - Troubleshooting: Access your site via FTP/file manager and rename the plugins folder (or individual problematic plugin folders) to plugins_old to deactivate all plugins. If your site comes back, reactivate them one by one to find the culprit. You might also need to increase your PHP memory limit by editing your wp-config.php file.
- Maintenance Mode Stuck: If your site remains in maintenance mode even after updates are complete, it’s likely a .maintenance file got stuck.
  - Troubleshooting: Connect to your site via FTP/file manager and delete the .maintenance file from your WordPress root directory.
- CSS/Layout Issues: Sometimes updates can cause minor styling issues.
  - Troubleshooting: Clear your website cache, then hard refresh your browser (Ctrl+F5 or Cmd+R). If the issue persists, it might be a caching conflict or a minor CSS incompatibility, which can often be fixed by clearing plugin caches or a small CSS adjustment.
- Contact Support: If you’re still stuck after trying these steps, don’t hesitate to reach out! Your hosting provider’s support team or the support channels for the specific plugin/theme developer are your next best resources.

Conclusion: Keep Your WordPress Site Thriving in 2025

Regular WordPress updates and proactive WordPress website maintenance are not just chores; they are the bedrock of a secure, high-performing, and ultimately successful online presence. By diligently following the steps outlined in this 2025 guide and leveraging the visual insights from our accompanying video tutorial, you are making a crucial investment in the longevity, resilience, and growth of your digital assets.

Don’t let your valuable WordPress website become an outdated liability. Implement these essential practices today and ensure your site is always ready to perform at its best!

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How to update WordPress website, themes, plugins, and core 2025

Why the guide How to Update WordPress Website?