Requirements for WordPress Servers

The Top 6 Requirements for a WordPress Server

Explore the top six server requirements crucial for running a WordPress website effectively. From up-to-date PHP versions and secure database options to SSL certificates and reliable server uptime, find out what your WordPress hosting needs to maintain peak performance and security.

Choosing the right wordpress server and hosting environment is crucial to ensure optimal performance and reliability when setting up a WordPress website.

WordPress, being a flexible and robust content management system (CMS), has specific server requirements that, when met, can significantly enhance your website’s functionality and user experience.

Here, we’ll delve into the top six server requirements that are essential for running a WordPress site effectively.

What WordPress Server Requirements Should You Know?

1. PHP Version

PHP is a cornerstone technology for WordPress, as the entire CMS is built using this server-side scripting language.

The version of PHP your server runs can significantly impact your website’s performance, security, and compatibility with plugins and themes.

As of now, WordPress recommends PHP 7.4 or higher. Using the latest PHP version improves performance and ensures that your site is secure against known vulnerabilities.

Here’s a detailed look at why the PHP version is crucial for WordPress hosting and what you should consider when selecting or upgrading your PHP version.

Why the PHP Version Matters

Performance Enhancements

Each new release of PHP brings performance improvements that can significantly speed up WordPress websites.

For example, PHP 7.x versions have shown a remarkable improvement in execution speed compared to PHP 5.x, with benchmarks indicating up to a 50% increase in speed and 30-50% better memory consumption.

These enhancements lead to faster page load times, improving user experience and positively impacting SEO rankings.

Security Updates

Security is a major concern for any website owner, and running older versions of PHP can expose your site to vulnerabilities that have been fixed in later releases.

PHP developers regularly release updates that patch security flaws. By keeping your PHP version up-to-date, you ensure that your site is protected against the exploits that target these vulnerabilities.

Compatibility With WordPress Core, Themes, and Plugins

WordPress, along with many themes and plugins, often requires a minimum PHP version to operate correctly.

As WordPress continues to evolve, the platform phases out support for older PHP versions, pushing users towards newer releases that provide a better foundation for newer features and enhancements.

Running outdated PHP versions can lead to compatibility issues, causing themes or plugins to malfunction or not work at all.

Choosing the Right PHP Version for WordPress

Recommended PHP Version

The official recommendation is to use PHP 7.4 or higher. It is always a good practice to adopt the highest PHP version that is actively supported.

As of the latest updates, PHP 8.x is available and offers further performance improvements and new features over PHP 7.x, although compatibility with all plugins and themes should be verified.

How to Update PHP in WordPress

Updating your PHP version is a task that your hosting provider can often help you with. Here’s a basic guideline on how to update it:

  1. Check the Current PHP Version: Your hosting control panel typically has an option to see which PHP version you are currently using. Tools like cPanel often provide a PHP version manager.
  2. Backup Your Website: Always backup your entire website before making significant changes like upgrading PHP. This protects your data should anything go wrong during the update.
  3. Update PHP Through Hosting Control Panel: If your host provides cPanel or a similar hosting dashboard, you can usually select the desired PHP version from a dropdown menu and apply it to your site.
  4. Test Your Website: After updating, thoroughly test your website for any issues. Check that your themes and plugins are all functioning correctly and that there are no visible errors on your site.
  5. Resolve Any Compatibility Issues: If you encounter errors, you may need to update themes and plugins or contact their developers for patches compatible with newer PHP versions.

2. MySQL or MariaDB Version

WordPress uses MySQL or MariaDB as its database management system. For optimal performance, it is recommended to use:

  • MySQL version 5.6 or greater, or
  • MariaDB version 10.1 or greater. These versions offer better performance, greater efficiency, and security features, ensuring that your WordPress database is robust and responsive.

Importance of Database Version

MySQL and MariaDB are the backbone databases that store and retrieve all of your site’s content, from user data to posts and settings.

WordPress requires specific versions of these database systems to ensure optimal performance, security, and stability:

  • MySQL version 5.6 or greater
  • MariaDB version 10.1 or greater

Why Up-to-date Database Servers Matter

  • Performance: Newer versions of MySQL and MariaDB offer improved performance through better indexing, faster caches, and more efficient queries, which can significantly speed up your website.
  • Security: Like PHP, database systems frequently update to patch security vulnerabilities. Keeping your database version current helps protect your site from attacks that exploit outdated software vulnerabilities.
  • Feature Support: Newer database versions support the latest SQL standards and features, which WordPress and many plugins utilize to provide enhanced functionality.

Updating Database Version

Most web hosting services manage the database software and its version. If you’re using a managed WordPress hosting service, the host typically ensures that the database software remains up-to-date.

If managing your own server, you will need to regularly check and update your database software according to the official repositories.

3. HTTPS Support

Ensuring that your WordPress server supports HTTPS and offers SSL certificates is crucial for the security and overall performance of your website.

By implementing HTTPS, you are encrypting the communication between your server and your site visitors, making it more difficult for hackers to intercept and exploit sensitive information.

This added layer of security not only protects your site and users from potential cyber threats but also builds trust with your audience, as they can confidently browse and interact with your content knowing their data is secure.

Google has emphasized the importance of SSL certificates for security and SEO. An SSL certificate enables HTTPS on your website, encrypting data transferred between the server and users’ browsers.

This is crucial for protecting sensitive information and gaining the trust from your visitors. Ensure your hosting provides an easy way to implement SSL, possibly offering free certificates through Let’s Encrypt.

The Necessity of HTTPS

Secure HyperText Transfer Protocol (HTTPS) is the secure version of HTTP, which is used to transfer data between your website and your visitors’ browsers.

It encrypts the data and helps protect against man-in-the-middle attacks and eavesdropping, which is crucial for maintaining user trust and confidentiality.

Benefits of HTTPS

  • Security: Encrypts the data exchanged, protecting sensitive information.
  • SEO: Google gives preference to HTTPS-enabled sites, which can help improve your search engine ranking.
  • Trust: A visible padlock icon in the browser bar indicates a secure connection, boosting visitors’ confidence in your site.

Implementing HTTPS

To enable HTTPS, you need an SSL/TLS certificate. Many hosting providers offer free SSL certificates through Let’s Encrypt, which can be activated through your hosting control panel.

Once the certificate is installed, ensure your WordPress settings are configured to use HTTPS by default.

4. Web Server Software

While WordPress can run on various web servers, the most common and recommended are Apache and Nginx.

When it comes to choosing a web server software for running WordPress, NGINX and Apache are the top choices recommended by experts. Apache, being an open-source software, has been the go-to option for many websites due to its speed, reliability, and security features.

It is highly customizable with a wide range of extensions and modules that can be used to tailor the server environment according to specific needs. With almost 31% of web servers powered by Apache, it is a trusted and widely-used option in the industry.

Both servers are capable of running WordPress, but they need proper configuration:

  • Apache: Ensure mod_rewrite module is enabled, as WordPress uses this for its permalinks (SEO-friendly URLs).
  • Nginx: Does not have .htaccess support, so URL rewriting must be handled differently, typically through the server configuration file.

Server Software Choices

The web server software you choose can affect how well your WordPress site performs and how easily it can be managed.

  • Apache: Known for its flexibility and .htaccess support for per-directory web configuration.
  • Nginx: Known for its high performance and efficiency in handling static content and large volumes of concurrent users.

Configuration for excellent Performance

  • Apache: Ensure mod_rewrite is enabled for pretty permalinks.
  • Nginx: Since it does not read .htaccess files, rewriting rules need to be included in the server configuration files.

5. Memory Limit

The PHP memory limit defines how much memory a PHP script is allowed to consume. WordPress requires more memory when plugins and custom themes are used extensively.

A base memory limit of 128MB is recommended, but for larger sites or those with many plugins, 256MB or more may be necessary to ensure smooth operation.

Importance of Adequate Memory

PHP scripts require memory to run. WordPress, being a dynamic CMS, can require significant memory, especially with complex plugins or themes.

Recommended Settings

  • Base Memory: At least 128MB of memory allocated to PHP is recommended for most sites.
  • High-Demand Sites: Sites with high traffic, complex plugins, or WooCommerce should consider 256MB or higher.

Adjusting PHP Memory

This setting can be adjusted in the wp-config.php file by adding the line define(‘WP_MEMORY_LIMIT’, ‘256M’);.

For comprehensive changes, the PHP memory limit can also be adjusted through the PHP settings in your hosting control panel.

6. Server Uptime Guarantees

Reliability is key for any website, and server uptime is a critical component of this. Look for hosting providers that offer at least 99.95% uptime.

This ensures that your website is available to visitors with minimal downtime. Reliable hosting providers often invest in quality hardware and have redundancy plans to handle server failures smoothly.

Uptime’s Role in Web Hosting

Uptime is a measure of reliability and is crucial for maintaining user access to your site. High uptime percentages ensure that your site is available to users and search engines at all times.

What to Look For

  • Standard Guarantee: Look for at least 99.95% uptime.
  • Monitoring and Redundancy: Good hosting providers use monitoring tools and have redundancy measures like backup power supplies and network connections to maintain high uptime.

Requirements According to

To run WordPress effectively, your hosting provider must support PHP version 7.4 or greater. This is because newer versions of PHP offer improved security, performance, and compatibility with the latest features and plugins available for WordPress.

Additionally, your host needs to support MySQL version 8.0 or greater, or MariaDB version 10.4 or greater as this ensures the smooth functioning of the database management system for WordPress.

Having HTTPS support is essential for a secure website and better ranking on search engines. It encrypts data transmitted between the server and the user’s browser, protecting sensitive information such as login credentials and payment details.

While Apache or Nginx are recommended as the best servers for running WordPress due to their robustness and feature-rich capabilities, any server that supports PHP and MySQL will suffice.

Ultimately, ensuring that these requirements are met will guarantee a seamless experience in running a successful WordPress website.

What are the Top WordPress Hosting Providers

Choosing a hosting provider that offers excellent support for WordPress is crucial for ensuring your website runs smoothly, securely, and efficiently.

Here are the top four hosting services known for their exceptional WordPress support and features:

1. Bluehost

Bluehost is one of the largest hosting companies in the world and an official recommended hosting provider.

They offer a variety of hosting plans, which makes them a great choice for WordPress users just starting or needing to scale their websites.

Key Features

  • One-click WordPress Install: This makes setting up a WordPress site straightforward and quick.
  • Automatic WordPress Updates: Ensures your site is always up to date with the latest WordPress version.
  • Free Domain Name: For the first year when you sign up for their services.
  • Free SSL Certificate: Essential for securing your website data.
  • 24/7 Customer Support: Accessible via phone, chat, or email.


Bluehost servers are optimized for WordPress, providing fast loading times and minimal downtime. They also offer enhanced security features to help protect your site from threats.

2. WP Engine

WP Engine is a premium managed WordPress host known for its high-quality customer service and expert WordPress support. It’s an ideal choice for businesses and professionals requiring robust hosting solutions with advanced features.

Key Features

  • Managed WordPress Hosting: Focus on your business while WP Engine takes care of the technical details.
  • Daily Backups: Automatic daily backups to ensure data safety and ease of restoration.
  • Threat Detection & Blocking: Active and passive measures to stop attacks and malicious intent in its tracks.
  • Staging Environments: Test your site’s changes and updates before you publish them live.
  • Free StudioPress Themes: Access to premium themes included in all plans.


WP Engine is known for its scalability, providing lightning-fast load times and stability under traffic spikes. Their architecture is optimized specifically for WordPress, ensuring optimal performance.

Ensuring that your WordPress hosting meets these six requirements will significantly impact the efficiency, security, and reliability of your website.

Opt for a hosting provider that not only meets these technical specifications but also provides strong customer support and maintenance to help manage your WordPress environment effectively.

By doing so, you will provide a stable and fast-loading website to your users, enhancing their experience and your site’s overall success.

3. Nexcess

Nexcess is a managed WordPress hosting solution that is part of the Liquid Web family of brands.

Known for its powerful hosting solutions tailored to specific applications including WordPress, Nexcess stands out for its scalable technology and robust suite of tools that enhance website performance and security.

Key Features

  • Managed WordPress Hosting: Nexcess handles all the technical aspects of managing a WordPress site, from core updates and patches to server management.
  • Auto-scaling: Unique cloud auto-scaling technology allows your hosting to automatically adjust to traffic spikes and increases in demand without any manual intervention.
  • Plugin Performance Monitor: Automatically detects and helps troubleshoot any plugins that are slowing down your website.
  • Staging Environment: Easily test changes and updates in a staging environment before pushing them live, which is crucial for maintaining website stability.
  • Daily Backups: Automated daily backups ensure that your data is always safe and can be restored in case of any issues.


Nexcess employs advanced caching and a Content Delivery Network (CDN) to ensure that websites load quickly and perform well, even under heavy load.

Their data centers are optimized for WordPress, providing a reliable and secure platform for running your website.

Additional Benefits

  • Free SSL Certificates: Essential for website security and SEO.
  • 24/7 Customer Support: Expert support available around the clock to help with any issues you might encounter.
  • Email Hosting Included: Unlike some other managed WordPress hosts, Nexcess provides email hosting with their plans, which can be a valuable addition for small businesses.

4. SiteGround

SiteGround is another top-recommended WordPress host known for its superior customer support and high-performance hosting. They provide unique in-house WordPress speed and security solutions to make your site as fast and secure as possible.

Key Features

  • WordPress Auto-updates: Keeps your WordPress installation up-to-date.
  • SuperCacher: SiteGround’s own caching solution that significantly increases website speed.
  • Free SSL and CDN: Enhances security and speeds up website load times worldwide.
  • Staging Tool: Allows you to test changes before making them live on your website.
  • 24/7 Expert Support: Recognized for their above-and-beyond customer service.


SiteGround uses Google Cloud to maintain speedy and secure data centers all over the globe, ensuring excellent website performance regardless of where your visitors are located.

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Nonofo Joel
Nonofo Joel
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