30 Tips to Boost WordPress Site Speed in 2023

Alain Dorcelus

A WordPress site that loads quickly is vital in multiple ways: it enhances the user experience, helps your website rank higher in search engines, increases conversion rates, and reduces bounce rates, among other benefits. This story has included the top 30 beginner and advanced techniques for accelerating your WordPress site.

Theme choice impacts website speed. WordPress is an open market, thus developers take varied approaches to theme creation. Good-looking themes are often unoptimized and slow to load.

1. Use Fast and Lightweight Theme/Framework

WordPress is popular because plugins bring additional functionalities. If you need to optimize photos, find a plugin. Poor code results from plugins that don't follow development principles. To maximize efficiency, developers must optimize plugins like themes.

2. Use Optimized WordPress Plugins

A CDN can speed up WordPress. Because it mediates global visitor requests.Next, the CDN provides the site from a nearby data center instead of loading it from the original server. CDNs serve the site from the nearest location, reducing load time

3. Enable a Content Delivery Network (CDN)

Any website—blog or business—needs images. Unoptimized photos might slow down your site, so optimize them. Image optimization has two methods. You can optimize images manually or with a plugin. For smaller projects, the first method takes time. If you update your site often, automatic image optimization might save you time (with images).

4. Optimize Images

Web-friendly PNG and JPEG. Both compress well and deliver high-quality pictures. WebP is used to save size without sacrificing image quality. WebP lossless images are smaller than JPEG and PNG while maintaining image quality.

5. Use WebP Instead of PNG or JPEG

Videos let you interact with your audience and promote your services alongside photographs. Upload your film to Vimeo or YouTube to avoid it. The embed code lets you embed the video on your site after uploading.

6. Don’t Upload Videos Directly To WordPress

Compression is an ancient computing technique for compressing data in order to save space. On the internet, this is referred to as GZIP compression.  Compressing your site assets, such as CSS, HTML, and JavaScript, can save valuable space, resulting in faster site loading.

7. Enable GZIP Compression

Shared hosting is a good start. Dedicated or managed WordPress hosting helps most enterprises. SiteGround, Kinsta, and BlueHost are among the alternatives. These host companies use dedicated infrastructure and optimization to serve websites faster, saving 500–600ms.

8. Get a Good WordPress Hosting

To maximize site performance and speed up WordPress site, you need to schedule regular database optimizations and cleanup. As your database remains clean and optimized, servers can work fast, ensuring faster user requests. There are many excellent WordPress database plugins you can use. We recommend checking out WP-Optimize and Advanced Database Cleaner. 

9. Cleanup WordPress Database

Unused plugins and themes must also be removed from a well-optimized WordPress site. These unused plugins and themes introduce unwanted code into WordPress. The real danger is that they may contain security flaws that affect website performance.

10. Uninstall and Delete Unused Plugins and Themes

Minification removes all unnecessary characters, thereby reducing file size. It improves asset transfer during guest requests. Web browsers can render the website faster without parsing extra characters. Minifying code boosts WordPress's performance.

11. Minify HTML, CSS and JavaScript

Lazy loading can speed up a blog article with plenty of images. The browser loads graphics on the user's browser window when the user scrolls down. Thus, simulating faster load times greatly enhances user experience. Technically, it improves Core Web Vitals' Largest Contentful Paint.

12. Lazyload Images

Your community can comment on your content. However, many comments slow website loading. To optimize page performance, pagination should limit comments per page. Enable it in WordPress' dashboard. Settings >> Discussion. “Break comments into pages” appears. Enable it and set the amount of comments per page.

13. Paginate or Limit Comments Per Page

Disabling trackbacks and pingbacks speeds up WordPress. These WordPress methods notify you of external links. It alerts advertisers on backlinks and content performance. They utilize server resources and expose your site to spammers and DDoS assaults, slowing it down. Settings >> Discussion in the dashboard disables pingbacks and trackbacks. Uncheck the first two choices to finish.

14. Disable Trackbacks and Pingbacks

Websites need external scripts. Web servers cannot store everything your site needs. You may need a Google Font or Google analytics to display on your site. Too many external scripts might slow down your site, yet they bring vital functions.

15. Limit External Scripts

404 errors are avoided with redirects. Keeping errors away improves user experience. The more redirects a page/post has, the longer it takes to load. That's why it's best to limit redirects.

16. Limit Redirects

WordPress Core, themes, and plugins are updated every few weeks. Features, bugs, and performance are the main focus of these upgrades. To sum up, keep everything updated to keep your website running well.

17. Update WordPress Core, Plugins, and Themes

WordPress cache plugins can boost site speed. It avoids compiling your webpage every time a visitor requests it. Instead, it caches the webpage for visitors. This saves server resources by avoiding request processing.

18. Use WordPress Cache Plugin

The best strategy is to employ a straightforward, minimalist website design and to think ahead. If you currently have a well-established website, you can transition to a simpler design to enhance performance and the user experience.

19. Improve Website Design to Perform Better

Long-form articles can be split into many posts to speed up WordPress. Long-form posts are comprehensive guides with useful information. They rank higher on Google. For page performance, sometimes it's useful dividing them up.

 20. Break Down Longer Posts Into Multiple Parts

Not all WordPress themes have experts on the homepage. They display the complete post content. This works well for some blogs or businesses but can hurt performance. To display snippets on the homepage, go to Settings >> Reading. Select “Summary” under “For each article in a feed.”

21. Use Excerpts on Homepage

WordPress relies on PHP. It operates on the server and performs various site activities. PHP has been updated multiple times, notably PHP 8.1. 2015 saw PHP 7's last major update.

22. Ensure PHP Version Is Not Outdated

There is currently no restriction on the number of post modifications. It is preferable to disable or limit post revisions per post. This prevents your website's database from becoming overloaded with useless data.

23. Reduce Post Revisions

To speed up WordPress, run these activities at low-traffic times. Thus, you avoid server overload while ensuring peak performance. Use a traffic analysis tool to determine when your site has minimal traffic and plan jobs accordingly.

24. Schedule Background Tasks Based on Traffic Intensity

Database calls are made by themes and plugins. Developers determine the quantity and quality of these database calls. As a result, there are more poorly coded themes than good ones. These poorly coded themes make too many database calls or direct database calls, violating WordPress standards. The server's performance may suffer from needless calls. Use an optimized theme. If you're an expert user and utilize a child theme, you can optimize your theme's code.

25. Reduce Database Calls

When a website links to your content directly rather than hosting it, this is known as content leaching or hot linking. This way, they can leech your content without incurring any costs or affecting the performance of their server. Furthermore, your server must serve these requests, which slows it down. Hotlinking can be avoided in a variety of ways, including using a CDN with hotlink protection, adding code to the.htaccess file, disabling right-click functionality, and adding watermarks to your images.

26. Disable Content Leaching

A DNS-level website firewall protects your site from hackers. Brute-force assaults are blocked by these firewalls. These assaults can cause server performance issues and DDoS attacks when trying to access the site.

27. Implement a DNS Level Website Firewall

HTTPS/SSL conversion causes mixed content errors. These mistakes might hurt SEO and UX. The Really Simple SSL plugin fixes these concerns. Since the plugin converts all URLs to HTTPS, it can slow down your site.

28. Manually Fix HTTPS/SSL Errors

Many firms use attractive 404 pages to entice customers. However, resource-intensive 404 pages are bad for performance. Thus, a simple, fast-loading 404 page is optimal.

29. 404 Page Should Be Light-Weight

The next time users browse the site, it uses fewer network connections and loads faster. WordPress plugins like W3 Total Cache enable browser caching. Cache Enabler is another browser cache plugin.

30. Leverage Browser Caching

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