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WebP & WordPress in 2024: Should You Use It?

March 25, 2023 | By David Selden-Treiman | Filed in: Hosting Speed, Web Design.


WebP is a highly optimized image format that is good for websites. In 2024, you should consider using it since it’s well supported and very efficient.


In the quickly changing world of website design, website efficiency is crucial for keeping your users engaged, as well as for search engine optimization. If your users are waiting for your site to load, they will give up very quickly and move on to a competitor.

WordPress can be slow, and as a WordPress web developer, you’re constantly trying to find ways to improve your website’s performance. Image optimization can be key to extracting the best performance from your site.

This is where WebP image formatting can prove useful. Here, we’ll guide you through the ins and outs of WebP, its advantages, and how you can integrate it into your WordPress projects for better efficiency.

In this guide, we’ll delve into the technical aspects of WebP, provide real-world examples and cited statistics about the improvements WebP can bring, and help you determine whether WebP is the right choice for your WordPress website.

What Is WebP?

Development & Purpose

Google introduced the WebP image format in 2010 as part of their mission to make the web faster and more efficient. Recognizing that images constitute a significant portion of a webpage’s size, Google aimed to develop a format that could provide better compression without compromising image quality.

Combining the Best of Other Formats

WebP is an adaptive image format that is designed to combine the best features of JPEG, PNG, and GIF formats. It offers both lossy and lossless compression methods just like JPEG, allowing you to choose between smaller file sizes with some loss in quality (lossy) or maintaining the original image quality with slightly larger file sizes (lossless).

Lossy Compression

The lossy compression in WebP uses a technique called predictive coding. This method predicts the values of pixels in an image based on the surrounding pixels, encodes the differences, and then compresses the data. The result is a significantly smaller file size compared to JPEGs while retaining comparable image quality.

Lossless Compression

For lossless compression, WebP employs advanced techniques such as color indexing and entropy encoding. These methods ensure that the image quality is preserved while still achieving better compression rates compared to PNG files.

Additional Features

WebP also supports transparency, similar to the PNG format, making it suitable for images that require a transparent background.

Additionally, WebP can handle animations like GIFs, but with better compression, resulting in smaller file sizes for animated content.


In summary, WebP is a modern image format designed to improve web performance by offering better compression and additional features compared to traditional formats such as JPEG, PNG, and GIF. With its versatile capabilities, WebP has the potential to significantly enhance your WordPress website’s efficiency.

Advantages of WebP

Improved Compression

One of the most significant benefits of WebP is its superior compression capabilities. By providing better compression rates, WebP images can help reduce the overall size of your website, leading to faster load times and a more efficient user experience.

Smaller File Sizes Compared to JPEG and PNG

According to Google Developers, WebP images are 25-34% smaller than equivalent JPEG images, while lossless WebP images are approximately 26% smaller than comparable PNG files. This translates to considerable savings in bandwidth and storage space for your website.

Faster Loading Times

Reducing image file sizes with WebP directly contributes to faster loading times for your website. As page load time is an essential factor in both search engine ranking and user experience, adopting WebP can provide a competitive advantage.

Potential benefits

Faster loading times can lead to lower bounce rates, higher user engagement, and improved search engine rankings, making WebP a valuable tool for optimizing your WordPress website.

Support for Transparency and Animation

WebP’s support for transparency and animation makes it a versatile image format suitable for a variety of use cases.


WebP provides support for alpha channels, similar to PNG. This feature enables you to create images with transparent backgrounds while benefiting from WebP’s superior compression rates.


WebP can handle animated content more efficiently than GIFs, leading to smaller file sizes for your animated images. With the rise of interactive web content, this feature can be invaluable for WordPress developers looking to create engaging user experiences without sacrificing performance.


In conclusion, the advantages of WebP include improved compression, faster loading times, and support for transparency and animation. By implementing WebP in your WordPress projects, you can enhance your website’s performance, user experience, and potentially improve your search engine rankings.

Browser Compatibility

One of the primary considerations when adopting a new technology like WebP is its compatibility with various browsers. While modern browsers widely support WebP, there are some limitations in older browsers that you should be aware of.

Supported Browsers

Most modern browsers, including Google Chrome, Mozilla Firefox, Microsoft Edge, and Apple Safari, fully support WebP images. This means that a significant percentage of your website’s visitors will be able to view and benefit from the optimized WebP images without any issues.

Limited Support in Older Browsers

Older browsers, such as Internet Explorer, do not support WebP images natively. If your website caters to a user base that still relies on these older browsers, it’s essential to implement a fallback solution to ensure that your images are still accessible.

Fallback Options for Unsupported Browsers

To accommodate older browsers that do not support WebP, you can use fallback options that serve traditional formats like JPEG or PNG in case WebP is not supported. There are several methods for implementing fallback solutions:

Using HTML’s “picture” Element

The “picture” element allows you to specify multiple sources for an image, with the browser selecting the most suitable format based on its capabilities. You can list WebP images first and then provide JPEG or PNG alternatives for browsers that do not support WebP.

    <source srcset="image.webp" type="image/webp">
    <source srcset="image.jpg" type="image/jpeg">
    <img src="image.jpg" alt="Description">

JavaScript-based solutions

You can use JavaScript to detect if a browser supports WebP and then dynamically update the image sources accordingly. This method can be more complex than using the “picture” element but offers greater flexibility and control.

Plugins and server-side solutions

Some WordPress plugins, such as EWWW Image Optimizer and ShortPixel, offer built-in fallback solutions for browsers that do not support WebP. Alternatively, you can use server-side configurations (e.g., .htaccess rules) to detect browser compatibility and serve the appropriate image format.


By considering browser compatibility and implementing fallback options, you can ensure that your WordPress website serves optimized WebP images to the majority of your visitors while still maintaining accessibility for those using older browsers.

Integrating WebP In WordPress Websites

Adopting WebP for your WordPress website can be done in various ways, ranging from using plugins for automatic conversion and optimization to manually converting and replacing images. Each method has its pros and cons, so choose the one that best suits your project’s needs.

Use Plugins for Automatic Conversion and Optimization

Several WordPress plugins can handle WebP conversion and optimization automatically, making it easy for you to integrate WebP images into your website.

  • EWWW Image Optimizer: This plugin automatically converts and optimizes your images to WebP format when uploaded to your WordPress media library. It also provides a fallback solution for unsupported browsers.
  • ShortPixel: ShortPixel is another plugin that automatically optimizes and converts your images to WebP format. It offers a straightforward implementation process and includes a built-in fallback mechanism for browsers that don’t support WebP.
  • Imagify: Imagify is an image optimization plugin that supports WebP conversion. It also allows you to optimize existing images in bulk and provides an easy-to-use interface for managing your image optimizations.

Benefits of Using Plugins

These plugins simplify the process of implementing WebP in your WordPress projects. They handle image resizing, conversion, and optimization automatically, saving you time and effort.

Use .htaccess Rules for Server-Side Image Delivery

If you prefer a server-side solution for integrating WebP images into your WordPress website, you can use .htaccess rules to detect browser support and serve the appropriate image format.


By adding specific rules to your .htaccess file, your server can detect whether a visitor’s browser supports WebP. If it does, the server will serve WebP images; otherwise, it will deliver traditional JPEG or PNG images.


This method offers an efficient and automatic way to deliver WebP images to supported browsers without relying on a WordPress plugin. It also enables you to maintain full control over the image optimization process.

Manually Convert and Replace Images

For smaller projects or situations where you need specific control over image optimization, you can manually convert your images to WebP format and replace the existing JPEG or PNG files on your website.

Tools for Manual Conversion

  • Google’s WebP Converter: Google provides a command-line tool that allows you to convert your images to WebP format. This tool offers various settings to fine-tune the conversion process.
  • Adobe Photoshop: With the WebP plugin for Adobe Photoshop, you can export your images directly to WebP format from within the software.
  • Online converters: Several online tools allow you to convert your images to WebP format quickly and easily, such as Convertio, Squoosh, or WebP Converter.

Best for Small-Scale Projects or Specific Optimization Needs

Manually converting and replacing images can be time-consuming and may not be practical for large-scale projects. However, this method offers the highest level of control over the conversion process and can be useful for smaller projects or specific optimization requirements.


By selecting the most suitable method for integrating WebP into your WordPress website, you can reap the benefits of this modern image format and significantly improve your site’s performance and user experience.

When to Use WebP

The decision to use WebP in your WordPress projects depends on your website’s specific needs and the benefits you expect to gain from implementing this modern image format. Here are some scenarios where using WebP can be advantageous

High-Traffic Websites with Many Images

If your WordPress website receives high levels of traffic and has numerous images, adopting WebP can lead to substantial improvements in load times and bandwidth usage. By reducing the size of your image files, you can provide a faster and more efficient browsing experience for your users, which can positively impact user engagement and conversions.

Projects Requiring Advanced Features

WebP’s support for transparency and animation makes it a valuable choice for projects that require these advanced features. If your website relies heavily on transparent images or animated content, using WebP can help you maintain visual appeal while benefiting from better compression and performance.

Websites Targeting Modern Browsers and Devices

If your website primarily targets users with modern browsers and devices, implementing WebP can be an effective strategy for optimizing your site’s performance. As most modern browsers fully support WebP, you can take advantage of this format’s benefits without worrying about compatibility issues for the majority of your users.

Aiming for Improved SEO and User Experience

Faster loading times and better user experience are essential factors in search engine optimization. By implementing WebP, you can potentially improve your website’s SEO ranking, making it more visible to potential visitors. Additionally, by providing a smoother browsing experience, you can increase user satisfaction and engagement.


In conclusion, WebP can be a valuable asset for WordPress web developers in various scenarios, such as high-traffic websites, projects requiring advanced features, sites targeting modern browsers, and those aiming to improve their SEO and user experience. By assessing your project’s specific needs and weighing the potential benefits, you can determine whether WebP is the right choice for optimizing your website’s performance.

Potential Drawbacks and Considerations

While WebP offers numerous advantages for WordPress web developers, it’s essential to be aware of potential drawbacks and considerations before fully committing to this image format.

Limited Support in Older Browsers

As mentioned earlier, older browsers such as Internet Explorer do not natively support WebP. If a significant portion of your audience uses these older browsers, you’ll need to implement a fallback solution to ensure your images remain accessible to all visitors. This additional step can add complexity to your website’s development and maintenance.

Additional Complexity for Development and Maintenance

Integrating WebP into your WordPress projects can add extra layers of complexity to your development and maintenance processes. For example, you may need to manage multiple versions of your images (WebP and traditional formats), set up fallback mechanisms, and monitor browser compatibility. Depending on your project’s scale and resources, these added complexities could be a drawback.

Not Always the Best Choice for All Images

While WebP offers better compression than JPEG and PNG in most cases, it may not always be the best choice for every image on your website. For example, some images may not benefit significantly from WebP’s compression, or they might experience a noticeable loss of quality when converted. In such cases, it’s crucial to evaluate each image on a case-by-case basis and choose the most suitable format accordingly.

Time and Effort for Conversion and Implementation

Converting your existing images to WebP and implementing the format across your WordPress website can be time-consuming, especially for large-scale projects with numerous images. You’ll need to consider the time and effort required for conversion and implementation, and weigh this against the potential benefits of using WebP.


In summary, while WebP offers many advantages, it’s essential to consider potential drawbacks and evaluate your project’s specific needs before deciding whether to adopt this modern image format. By carefully weighing the benefits and drawbacks, you can make an informed decision that will help you optimize your website’s performance and user experience.


WebP is a powerful and versatile image format that can significantly improve your WordPress website’s performance, user experience, and search engine optimization. With its superior compression, advanced features such as transparency and animation, and widespread support among modern browsers, WebP offers a compelling alternative to traditional image formats like JPEG and PNG.

However, before you decide to use WebP in your site, it’s crucial to consider potential drawbacks, such as limited support in older browsers, added complexity for development and maintenance, and the time and effort required for conversion and implementation.

Once you’ve decided to implement WebP, various methods are available for integrating it into your WordPress projects, including using plugins for automatic conversion and optimization, server-side .htaccess rules, or manual conversion and replacement of images. By selecting the most suitable method for your needs, you can harness the benefits of WebP to create a faster, more efficient, and visually appealing website for your users.

David Selden-Treiman, Director of Operations at Potent Pages.

David Selden-Treiman is Director of Operations and a project manager at Potent Pages. He specializes in custom web crawler development, website optimization, server management, web application development, and custom programming. Working at Potent Pages since 2012 and programming since 2003, David has extensive expertise solving problems using programming for dozens of clients. He also has extensive experience managing and optimizing servers, managing dozens of servers for both Potent Pages and other clients.


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