5 Steps to Speed Up Your WordPress Site: A Beginner’s Guide 2023

David Reavis
Written by: David Reavis – Software/Web Dev & co-CEO
Wordpress Speed

Welcome to the world of WordPress, where constant updates and innovations are the norms! Whether you are a budding blogger or a small business owner trying to increase your online visibility, ensuring your WordPress site runs at lightning speed is vital. In this beginner-friendly guide, we will explore the latest updates and techniques to help you optimize your website’s speed.

No fuss – just a simple step-by-step tutorial to get your website running faster than ever. Let’s dive in!

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  • Speed Optimization: The process of making changes to your website to improve its loading time.
  • Content Delivery Network (CDN): A system of distributed servers that deliver pages and other web content to a user based on their geographical location.
  • Caching: A method of storing static files (like HTML documents) for faster access upon subsequent visits.

The Importance of Speed Optimization

Before we delve into the nitty-gritty, it’s essential to understand why speed optimization is critical for any WordPress site. A faster website not only provides a better user experience but also positively impacts SEO rankings. As a beginner, focusing on speed optimization early on can set a solid foundation for your website’s success.

Latest Updates in WordPress Speed Optimization

1. WebP Support


In an effort to enhance the speed and performance of websites, WordPress has introduced support for WebP images. This is a modern image format that promises better compression and quality compared to traditional JPEG and PNG formats. Here, we will delve into the nitty-gritty of WebP and how you can leverage it to improve your site’s speed.

Understanding WebP

WebP is an image format developed by Google, aiming to provide users with both lossless (like PNG) and lossy (like JPEG) compression. This essentially means that it can provide high-quality images with significantly smaller file sizes, which is crucial for speeding up website load times.

How to Use WebP on WordPress

To start using WebP on your WordPress site, you need to follow these steps:

  1. Image Conversion: Convert your existing images to WebP using online tools like Squoosh or TinyPNG.
  2. Uploading WebP Images: Upload the converted WebP images to your WordPress media library just as you would with any other image format.
  3. Plugins: Consider installing plugins like Imagify, which automatically converts uploaded images to WebP format.
  4. Browser Compatibility: Ensure to check the compatibility of WebP with different browsers and make necessary adjustments to serve JPEG/PNG as a fallback for browsers not supporting WebP.


Implementing WebP can not only enhance your website’s speed but also improve the user experience through faster loading visuals without compromising on quality.

2. Lazy Loading


Lazy loading is a smart technique to optimize your site’s loading time and save bandwidth. It works by deferring the loading of non-critical resources during page load time. Here’s a more detailed insight into lazy loading.

Understanding Lazy Loading

When a user visits a webpage, not all resources need to be loaded immediately. Lazy loading defers the loading of resources like images or videos that are below the fold (not visible in the viewport) until the user scrolls to their location. This means that the initial load time is much quicker, as only necessary resources are loaded.

Implementing Lazy Loading in WordPress

To incorporate lazy loading on your WordPress site, follow these steps:

  1. Choose the Right Plugin: Install a plugin that supports lazy loading, such as a3 Lazy Load or Smush.
  2. Configuration: Configure the plugin settings to specify which resources should be lazy loaded (images, videos, etc.).
  3. Testing: After setting up, test your website to ensure that lazy loading is working correctly and improving the page load time.


Implementing lazy loading can significantly improve your site’s speed, enhancing user experience and potentially boosting SEO rankings.

3. Core Web Vitals


Core Web Vitals are a set of specific factors that Google considers important in determining a webpage’s overall user experience. Understanding and optimizing for these vitals can have a significant impact on your website’s performance and visibility on search engines. Here, we will break down the core components of Web Vitals and how to optimize your WordPress site accordingly.

Understanding Core Web Vitals

Google’s Core Web Vitals encompass three critical metrics:

  1. Largest Contentful Paint (LCP): Measures the loading performance of your site. Ideally, it should be under 2.5 seconds.
  2. First Input Delay (FID): Quantifies the interactivity of your site. The goal here is to have a time of less than 100 milliseconds.
  3. Cumulative Layout Shift (CLS): Evaluates the visual stability of your site. Aim for a score less than 0.1.

Optimizing for Core Web Vitals on WordPress

To optimize your WordPress site for Core Web Vitals, you can:

  1. Monitor Web Vitals: Use tools like Google PageSpeed Insights or Google Search Console to monitor your website’s performance concerning Core Web Vitals.
  2. Improve Load Time: Enhance the load time by optimizing images, using a good hosting provider, and minimizing code.
  3. Enhance Interactivity: Improve site interactivity by optimizing JavaScript and focusing on server response times.
  4. Stabilize Visual Elements: Prevent unexpected layout shifts by allocating space for dynamic content and avoiding the use of non-stable elements.


Focusing on Core Web Vitals can not only improve user experience but also potentially boost your site’s ranking on Google, as these metrics are now part of Google’s ranking factors.

Step-by-Step Guide to Speed Optimization

Step 1: Choose a Reliable Hosting Provider

SiteGround Homepage


One of the foundational steps in optimizing your WordPress website’s speed is selecting a reliable hosting provider. Your hosting provider plays a crucial role in determining your website’s uptime, speed, and overall performance. Below, we unravel the intricacies of choosing the right hosting provider and the aspects you should consider.

Understanding the Importance of a Reliable Hosting Provider

In the realm of website development, your hosting provider is essentially the backbone of your site. It houses all the files, data, and resources needed to display your website on the internet. Consequently, the quality of your hosting provider can directly affect your website’s speed, security, and the experience you offer to your visitors.

Factors to Consider When Choosing a Hosting Provider

When selecting a hosting provider, you should focus on the following aspects:

  1. Server Reliability and Uptime: Choose a hosting provider with a solid track record of uptime, generally above 99.95%. This ensures that your website is always accessible to visitors without experiencing downtimes.
  2. Server Speed: Your hosting server’s speed is a determining factor in your website’s loading time. Opt for a provider known for their high-speed servers, which can greatly enhance your site’s performance.
  3. Customer Support: Select a hosting provider offering exceptional customer service, available 24/7, to assist with any technical issues or queries you may have.
  4. Flexibility and Scalability: As your website grows, your hosting needs might change. Choose a provider that offers the flexibility to upgrade your hosting plan as necessary.
  5. Security Features: A good hosting provider should offer robust security features to protect your website from potential threats and cyber-attacks.

Researching and Selecting Your Hosting Provider

Here is a step-by-step guide to help you select the right hosting provider:

  1. Understand Your Hosting Needs: Before you start, understand your specific hosting needs, considering factors like the expected traffic, type of content (text, video, images), and technical requirements.
  2. Research Potential Providers: Conduct comprehensive research to identify potential hosting providers. Read reviews, seek recommendations, and compare features.
  3. Test Customer Service: Before committing, test the customer service of your shortlisted providers to gauge their responsiveness and expertise.
  4. Consider Future Growth: Think about your website’s potential growth in the future and ensure that the provider can accommodate this growth seamlessly.


Choosing a reliable hosting provider is a pivotal step in your WordPress website’s speed optimization journey. By considering factors like uptime, speed, customer support, and security, you can lay a strong foundation for a successful, high-performing website.

Step 2: Use a Lightweight Theme

Astra Theme


When setting up a WordPress website, choosing a theme is one of the most exciting steps. However, it’s important to balance aesthetics with functionality. Utilizing a lightweight theme, which is well-coded and optimized for speed, can significantly enhance your website’s performance. Here we explore how to choose and implement a lightweight theme without compromising the visual appeal of your site.

Understanding the Importance of a Lightweight Theme

A theme forms the structural and visual foundation of your WordPress website. While flashy, feature-rich themes might be tempting, they often come loaded with unnecessary scripts and files that can slow down your site. Opting for a lightweight theme means faster load times, better SEO rankings, and a smoother user experience.

Characteristics of a Lightweight Theme

A lightweight theme generally possesses the following characteristics:

  1. Clean Code: Well-written, streamlined code that follows the best coding practices.
  2. Minimalistic Design: A design that focuses on simplicity and user-friendliness without unnecessary flashy elements.
  3. Responsive: A theme that is mobile-friendly and adapts well to various screen sizes.
  4. SEO-Friendly: Incorporates SEO best practices to help improve your website’s visibility on search engines.
  5. Compatibility: Compatible with popular plugins and WordPress updates without causing conflicts or slowdowns.

How to Choose a Lightweight Theme

To choose a lightweight theme for your WordPress site, follow these steps:

  1. Identify Your Needs: List down the features and functionalities essential for your website. This will help you avoid themes loaded with unnecessary features.
  2. Research and Shortlist: Research various themes and shortlist those that are noted for their speed and lightweight structure.
  3. Check Reviews and Ratings: Before selecting, check reviews and ratings to gauge the performance and user satisfaction associated with the theme.
  4. Demo Testing: Many themes offer demo versions. Test the demo to get a feel of the theme’s performance and user interface.
  5. Compatibility Check: Ensure that the theme is compatible with the plugins you intend to use and can integrate seamlessly with the latest WordPress updates.

Implementation and Optimization

Once you have selected a lightweight theme, focus on optimizing it further by:

  1. Customizing Wisely: Customize the theme wisely, avoiding the use of heavy elements and scripts that can slow down the site.
  2. Using Optimized Images: Even with a lightweight theme, using optimized images is crucial to maintaining fast load times.
  3. Regular Updates: Keep the theme updated to benefit from the latest optimizations and improvements.


Using a lightweight theme is a strategic move in building a fast, efficient, and user-friendly WordPress website. By focusing on clean coding, responsive design, and compatibility, you can create a website that not only looks great but performs excellently as well.

Step 3: Optimize Images

Image Optimizer


Images play a vital role in enhancing the visual appeal and user engagement on your website. However, high-resolution images can also be the culprits behind slow webpage loading times. Therefore, optimizing images before uploading them to your site can significantly contribute to better site speed and overall user experience. This step guides you on how to effectively optimize images using various tools and WordPress plugins.

Understanding Image Optimization

Image optimization refers to the process of reducing the file size of your images without sacrificing their quality. This is crucial because smaller image files will load faster, resulting in quicker page load times and a better user experience. Moreover, optimized images can also improve your website’s SEO ranking, as search engines favor websites that load quickly.

Methods of Image Optimization

There are several methods to optimize images for your website:

  1. File Format Selection: Choosing the right file format (like JPEG, PNG, or WebP) can affect the image’s size and quality. Generally, JPEG is preferred for photographs, while PNG is suitable for images with transparency.
  2. Compression: Utilizing compression tools to reduce the file size without compromising on the visual quality.
  3. Responsive Images: Implementing responsive images that adapt to different screen sizes, ensuring that the appropriate image size is served for the respective device.
  4. Dimension Adjustment: Adjusting the dimensions of images to fit the space they will occupy on the website, avoiding unnecessary large file sizes.

Tools and Plugins for Image Optimization

To optimize images effectively, you can utilize the following tools and plugins:

  1. TinyPNG: A popular online tool that compresses JPEG and PNG files while maintaining their quality.
  2. Smush: A WordPress plugin that offers lossless compression, lazy loading, and bulk image optimization.
  3. Imagify: Another WordPress plugin that provides solutions for compressing, resizing, and optimizing all the images on your website.
  4. ShortPixel: A plugin offering both lossy and lossless image compression along with options for batch processing.

Implementing Image Optimization

Here’s a step-by-step guide to implementing image optimization on your WordPress site:

  1. Selection of Appropriate Tools: Choose the tools or plugins that suit your requirements and are compatible with your WordPress theme.
  2. Bulk Optimization: If you have an existing website, consider using plugins that offer bulk optimization to process all images on your site at once.
  3. Routine Optimization: Make it a routine to optimize images before uploading them to your website, ensuring a consistent approach to maintaining site speed.
  4. Monitoring Impact: Monitor the impact of image optimization on your site’s speed and make necessary adjustments based on the insights gained.


Optimizing images is a critical step in enhancing your WordPress site’s speed and performance. By utilizing appropriate tools and plugins, and adopting best practices in image optimization, you can significantly improve your website’s loading time and user experience, contributing positively to your SEO efforts.

Step 4: Implement Caching



Caching is one of the most effective strategies to significantly speed up your WordPress website. It helps reduce server lag, decrease load times, and improve the overall performance of your site. This guide aims to provide you with a comprehensive understanding of caching and how to implement it using popular WordPress plugins like W3 Total Cache.

Understanding Caching

In the simplest terms, caching involves storing copies of files in a cache, or a temporary storage location, so that they can be accessed more quickly in the future. When a user visits a webpage, the cache will store elements of that page. Then, upon subsequent visits, the cache can provide these elements without needing to reload them from the server, thereby reducing load time.

Types of Caching

Caching can be implemented in various ways, each serving a specific purpose:

  1. Page Caching: Stores entire HTML pages to reduce server lag during future visits.
  2. Object Caching: Used to store database queries so that the same data doesn’t need to be retrieved each time a page loads.
  3. Browser Caching: Instructs the browser to locally store static resources, reducing the load on the server.
  4. Opcode Caching: Caches precompiled script bytecode, speeding up script execution.

Choosing a Caching Plugin

Several caching plugins can be used to improve your WordPress site’s speed:

  1. W3 Total Cache: Known for its extensive customization options and support for various types of cache.
  2. WP Super Cache: Offers a more user-friendly approach to caching with simpler settings.
  3. WP Fastest Cache: Combines simplicity with effective performance, offering fewer customization options but easier setup.

Implementing Caching with W3 Total Cache

To implement caching using W3 Total Cache, follow these steps:

  1. Installation: Download and install the W3 Total Cache plugin from the WordPress plugin repository.
  2. Configuration: Navigate to the plugin’s settings and configure the types of cache you wish to enable (Page, Object, Browser, etc.).
  3. Minification: The plugin also offers options for minifying HTML, CSS, and JavaScript files, further reducing their size.
  4. CDN Integration: If you’re using a Content Delivery Network (CDN), W3 Total Cache provides easy integration options.
  5. Testing: After configuration, test your website to ensure that caching is effectively reducing load times.

Monitoring and Maintenance

  1. Performance Checks: Regularly check your website’s performance using tools like Google PageSpeed Insights or GTmetrix to ensure caching is effective.
  2. Cache Purging: Keep in mind that when you update content, you may need to purge the cache to reflect these changes on the website.


Caching is an essential technique for anyone keen on improving their WordPress website’s speed and performance. By using plugins like W3 Total Cache, you can implement various types of caching with ease, ensuring quicker load times and a smoother user experience.

Step 5: Minimize CSS and JavaScript Files

Javascript Settings
CSS Settings


CSS (Cascading Style Sheets) and JavaScript are the backbone of your website’s appearance and functionality. However, these files can become quite large and lead to increased website loading times. Minimizing these files is a powerful strategy for reducing your website’s load time, and consequently, improving user experience and SEO rankings. Here’s a complete guide to help you understand and implement this technique.

Understanding Minification

Minification refers to the process of removing unnecessary or redundant data from your CSS and JavaScript files without affecting their functionality. This includes removing white spaces, line breaks, comments, and block delimiters. The result is a reduced file size, which speeds up the time it takes for a web page to load.

Why Minimize CSS and JavaScript Files

  1. Faster Load Times: Smaller file sizes mean quicker load times, which translates to a better user experience.
  2. Reduced Bandwidth: Minimized files require less bandwidth to download, which is beneficial for both the user and the web host.
  3. Improved SEO Rankings: Faster websites are favored by search engines, potentially leading to higher SEO rankings.

Methods of Minification

Several methods and tools can be used for minimizing your CSS and JavaScript files:

  1. Manual Minification: For smaller projects, you can manually remove unnecessary spaces, lines, and comments from your code. This method is not recommended for larger projects as it’s time-consuming and prone to errors.
  2. Automated Tools: Online tools like CSS Minifier and JavaScript Minifier can automatically minimize your code files.
  3. WordPress Plugins: Plugins like Autoptimize or W3 Total Cache offer built-in options for CSS and JavaScript minification.

How to Minimize CSS and JavaScript Files

Here is a simple guide on how to go about minimizing these files:

  1. Backup Your Files: Before making any changes, ensure that you have backups of your original CSS and JavaScript files.
  2. Choose a Method: Decide whether you want to minimize files manually, use online tools, or employ WordPress plugins.
  3. Implementation: For plugins, navigate to the plugin settings and locate the minification options. For manual or online tools, replace your original files with the minimized versions.
  4. Test Functionality: After minification, rigorously test your website to make sure all functionalities are intact.

Monitoring and Updates

  1. Regular Checks: After implementing, make it a habit to check your website’s performance using tools like Google PageSpeed Insights.
  2. File Updates: Each time you update your website’s design or add new features, you might introduce new CSS or JavaScript files. Make sure to minimize these new files as well.


Minimizing your CSS and JavaScript files is a relatively simple yet highly effective strategy to improve your WordPress website’s speed. By reducing the size of these files, you can significantly cut down your website’s load time, offering your visitors a much smoother and enjoyable browsing experience.


To keep abreast of the latest developments in WordPress speed optimization, consider following official WordPress news and engaging with the community through forums and social media channels.

Speed optimization is not a one-time task; it’s an ongoing process. With the techniques and insights shared in this guide, you are well on your way to building a faster, more efficient WordPress website. Remember, a faster site equals happier visitors!

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About the Author

David Reavis

Software/Web Developer & co-CEO
With over 12 years of invaluable experience in the tech industry, David Reavis stands as a versatile trailblazer with a vast array of skills. From software development to web design, IT leadership, and plugin development, David’s journey has been fueled by a passion for empowering others through technology.
David Reavis
About the Author

David Reavis

Software/Web Developer & Geek Enthusiast
With over 12 years of invaluable experience in the tech industry, David Reavis stands as a versatile trailblazer with a vast array of skills. From software development to web design, IT leadership, and plugin development, David’s journey has been fueled by a passion for empowering others through technology.
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David Reavis
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