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August 17, 2026
6 min read

7 things that will improve the performance and security of your WordPress website

Piotr Pantkowski
Product Evangelist

Table Of Contents

WordPress is a great tool for building websites because it lets you launch a blog, company site, landing page, portfolio, or even a WooCommerce store quickly. Its biggest strength is flexibility, but that flexibility can also become a problem. Plugins, themes, forms, page builders, and external integrations all affect how fast and secure your site is.

If WordPress is not maintained properly, it can become slower over time, produce errors, struggle with updates, or turn into an easier target for automated bots. The good news is that many problems can be reduced without coding. A few basic habits and the right tools are often enough.

1. Keep WordPress, plugins, and themes updated

Updates are one of the most important parts of WordPress maintenance. They do not only add features or visual changes. Very often, they also patch security holes in WordPress itself, plugins, or themes.

Leaving a site without updates for months is one of the biggest mistakes you can make. The site may still work, but it can also become vulnerable. Bots constantly scan the web for outdated plugins and themes. If you use a version with a known issue, the risk of attack rises quickly.

A simple routine works well:

  • Check updates once a week.
  • Back up the site before major updates.
  • Update plugins first, then themes, then WordPress core.
  • After updating, test the homepage, forms, cart, payments, and key pages.

For bigger sites, it is safer to update on a staging copy first. That gives you a safe place to test changes before they affect the live site.

2. Remove unnecessary plugins and themes

Plugins are one of WordPress’s biggest strengths, but too many of them can slow the site down and increase the chance of conflicts. Some plugins load scripts and styles on every page even when they are only needed in one place.

A simple audit helps:

  • Do I know what this plugin does?
  • Is this feature still needed?
  • Is there a lighter or better-maintained alternative?

If the answer is unclear, the plugin is probably worth reviewing. Disabled plugins should usually be removed completely, not just turned off.

The same rule applies to themes. Keep the active theme and one default WordPress fallback theme, then delete the rest. Fewer unused files usually means less clutter, less risk, and easier maintenance.

3. Enable caching

Caching is one of the most effective ways to speed up WordPress. Normally, WordPress generates pages dynamically every time a visitor opens them. That means database queries, theme processing, plugin execution, and PHP work on every visit.

Caching stores a ready-made version of the page and serves it faster. That reduces server load and improves the visitor experience.

Useful cache tools include:

  • LiteSpeed Cache.
  • WP Rocket.
  • W3 Total Cache.
  • WP Super Cache.
  • FlyingPress.

If your hosting uses LiteSpeed or OpenLiteSpeed, LiteSpeed Cache is often a strong first choice. It can handle page caching, CSS and JavaScript optimization, lazy loading, database cleanup, and CDN integration.

After enabling cache, always test the site carefully. Some optimization settings can break menus, forms, sliders, or WooCommerce checkout pages.

4. Secure logins and user accounts

The WordPress login page is a common target for bots. They repeatedly try weak usernames and passwords, especially on /wp-admin and /wp-login.php. If your password is weak or reused elsewhere, the site becomes much easier to attack.

Start with a strong, unique password and a password manager such as Bitwarden, 1Password, KeePassXC, or Dashlane. A password manager makes it easier to use long random passwords without having to remember them.

Two-factor authentication adds another layer of protection. Even if someone knows the password, they still need a second code from a phone app. Useful tools include Wordfence Login Security, Solid Security, WP 2FA, and miniOrange Google Authenticator.

It is also a good idea to limit login attempts and review user roles regularly. Not everyone needs administrator access. In most cases, it is safer to give users only the permissions they actually need.

5. Optimize images and media

Large images are one of the most common reasons WordPress sites load slowly. Many people upload photos directly from a phone or camera without resizing them first. One file can be several megabytes even when it appears as a small image on the page.

Before uploading, resize and compress images. For many article images, 1200 to 1600 pixels wide is enough. Smaller graphics can be even lighter.

Helpful tools include:

  • TinyPNG.
  • Squoosh.
  • ImageOptim.
  • ShortPixel Online Image Compression.

WordPress plugins such as ShortPixel Image Optimizer, Imagify, Smush, EWWW Image Optimizer, and Converter for Media can help automate the process. WebP is usually a practical format choice because it offers a good balance between quality and file size.

Videos should usually be embedded from a platform like YouTube or Vimeo rather than uploaded directly to the hosting account. That keeps the server lighter and reduces bandwidth use.

6. Back up your site regularly

Backups are easy to ignore until something goes wrong. A failed update, plugin conflict, malware infection, accidental deletion, or database problem can all take a site offline. If you have a recent backup, recovery is much easier.

A proper backup should include both files and the database. WordPress content, settings, users, and site structure live in the database, while themes, plugins, and media live in files.

Popular backup tools include:

  • UpdraftPlus.
  • Duplicator.
  • BackWPup.
  • WPvivid Backup Plugin.
  • All-in-One WP Migration.

A good approach is the 3-2-1 rule: three copies, two storage locations, one copy off the main server. That way, if the hosting account has a problem, your only backup is not lost with it.

Backups should also be tested from time to time. A backup is only useful if it can actually be restored.

7. Choose hosting built for WordPress

Hosting has a huge impact on performance and security. Even a well-optimized WordPress site will struggle on a slow or overloaded server. A good hosting setup should include current PHP versions, SSD or NVMe storage, SSL, backups, malware protection, responsive support, and tools that make management easier.

PHP matters because WordPress runs on it. Older PHP versions can be slower and less secure, so it is worth checking whether your hosting lets you switch to a current supported version.

SSL is also essential. Your website should run on https://, not just for security but also for trust. Most good hosts provide free SSL, such as Let’s Encrypt. After setup, make sure all resources load correctly over HTTPS.

For more advanced WordPress sites, features like Redis, server-level caching, HTTP/2 or HTTP/3, and WAF protection can make a noticeable difference. If the server itself is weak, it is harder to get good results from plugins alone.

Extra tip: monitor the site instead of waiting for a problem

Once the basics are in place, it helps to monitor the site regularly. You do not need a full technical audit every week, but simple monitoring can help you catch problems early.

Useful tools include:

  • UptimeRobot for uptime monitoring.
  • Better Uptime for more advanced alerts.
  • Google Search Console for indexing and security issues.
  • PageSpeed Insights for speed checks.
  • Wordfence Security for suspicious activity and file changes.

Monitoring is especially important for business sites that rely on inquiries, sales, or bookings. A small issue caught early is much easier to fix than a full outage discovered by a customer.

FAQ

How often should I update WordPress?

Check updates weekly and always back up the site before major changes.

How many plugins is too many?

There is no fixed number, but fewer well-chosen plugins are usually better than many overlapping ones.

Is caching really necessary?

Yes. Caching is one of the easiest and most effective ways to improve WordPress performance.

What is the most important security step?

Strong passwords, two-factor authentication, and regular updates are the most important basics.

Do I need special hosting for WordPress?

Not always, but hosting optimized for WordPress usually gives better speed, stability, and security.

Piotr Pantkowski
Product Evangelist
Piotr is the person who turns "I work in hosting" into a conversation starter - which is harder than it sounds. He’s on a mission to make modular web hosting the category people reach for first, and builds awareness around what freemium hosting can actually change for people who build online.

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