Images as a resource in a website often lead to slow loading of the page.WebP format has been created to compress the image size significantly while maintaining high image quality.WebP format speeds up the loading speed of the website while also improving the user experience andSEOEffect. In this guide, we'll explain in detail how to use the WebP format to boost the loading speed of your WordPress site.
![Images[1] - How to use WebP format to improve WordPress site loading speed: a detailed guide](https://www.361sale.com/wp-content/uploads/2025/07/20250715180403877-image.png)
I. Introduction to WebP format
WebP (Web Picture Format) is an image format developed by Google. Compared with the traditional JPEG and PNG formats, WebP has higher compression efficiency. Specifically, WebP format images in the case of maintaining the same quality, the file size is usually smaller than JPEG 25% to 34%, smaller than PNG 26%. smaller file size means that the page loads faster, bringing a better user experience.
The WebP format supports both lossy and lossless compression and can support transparency (alpha channel), which makes WebP an alternative to JPEG and PNG in most scenarios.
II. Impact of WebP format on website performance
- Improved loading speed
Image files compressed using the WebP format are much smaller than other formats, so loading times are dramatically reduced, which in turn improves the overall loading speed of the site. - Save bandwidth
Smaller files mean lower data transfers and bandwidth savings. For sites with high traffic, the use of WebP can effectively reduce the cost of data transfer between the web server and the user. - Improve SEO Ranking
Website loading speed is an important factor in search engine ranking algorithms. Websites that load faster get better search engine rankings, which increases exposure and traffic to your website.
![Images [2] - How to use WebP format to improve WordPress site loading speed: a detailed guide](https://www.361sale.com/wp-content/uploads/2025/07/20250715184549282-image.png)
- Compatible with a wide range of devices
The WebP format automatically adapts to devices with different resolutions and screen sizes, improving the performance of responsive websites. Whether on desktop or mobile, users can enjoy a smooth browsing experience.
Third, how to enable the WebP format in the WordPress site
Enabling WebP format in WordPress involves several steps. Below is the complete process of uploading from images to WebP format support.
1. Check that the server supports the WebP format
First, make sure your server supports the WebP format.The WebP format requires that the server be configured to support the MIME type. You can do this by checking the server's configuration file (such as Apache's.htaccessor Nginx's configuration file) to confirm support.
For Apache servers, you can add the.htaccessThe following is added to the file:
<code># Enable WebP support<br><br> AddType image/webp .webp<br><br></code>
For Nginx servers, you can add it in the Nginx configuration file:
<code># Enable WebP support<br>location ~* \.webp$ {<br> add_header Content-Type image/webp;<br>}<br></code>
2. Install and configure the ShortPixel plugin
The easiest way to automate WebP formatting in WordPress is to use a plugin. The following plugin is based on the ShortPixel Image Optimizer As an example, it can help you convert existing images to WebP format and provide WebP image versions automatically.
ShortPixel supports automatic conversion of JPEG, PNG, and GIF format images to WebP format, as well as the ability to optimize the size of images.
2.1 Installation and activation of ShortPixel Image Optimizer
![Images [3] - How to use WebP format to improve WordPress site loading speed: a detailed guide](https://www.361sale.com/wp-content/uploads/2025/07/20250715192011593-image.png)
2.2 Sign up for a ShortPixel account and get an API key
In order to use the ShortPixel plugin, you need to register a ShortPixel account and get an API key. Follow the steps below:
- Visit ShortPixel's official website:ShortPixel official websiteThe
- strike (on the keyboard) Sign Up(Register) and create a new account.
- After signing up, log in to your ShortPixel account.
- go into DashboardYou will see an API Key. Copy this key.
![Images [4] - How to use WebP format to improve WordPress site loading speed: a detailed guide](https://www.361sale.com/wp-content/uploads/2025/07/20250715193212386-image.png)
2.3 Configuring the ShortPixel plug-in
- In the WordPress backend, click set up > ShortPixel Go to the plugin's settings page.
- On the Settings page of the API key Paste the API key you just copied in the input box.
![Images [5] - How to use WebP format to improve WordPress site loading speed: a detailed guide](https://www.361sale.com/wp-content/uploads/2025/07/20250715192931185-image.png)
- strike (on the keyboard) Authentication Key to verify that the API key is valid. If the validation passes, you will see the prompt Success.
2.4 Enable WebP format support
ShortPixel supports WebP format conversion and you can enable this feature in the settings.
- exist set up > ShortPixel page, find the
WebP/AVIF & CDNPart. - locate WebP format option and check the Enable WebP formatThe
![Images [6] - How to use WebP format to improve WordPress site loading speed: a detailed guide](https://www.361sale.com/wp-content/uploads/2025/07/20250715183146479-image.png)
2.5 Batch optimization of existing images and generation of WebP formats
With WebP support enabled, you can batch optimize uploaded images and generate WebP-formatted versions of your images.
- go into media, esp. news media > Bulk ShortPixelThe
- strike (on the keyboard) Start optimization button to enter the Bulk ShortPixelStep-by-step navigation.
![Images [7] - How to use WebP format to improve WordPress website loading speed: a detailed guide](https://www.361sale.com/wp-content/uploads/2025/07/20250715194401694-image.png)
- ShortPixel will start optimizing the existing images and generate a copy of each image in WebP format. This process can take some time depending on the number of images on your site.
- Upon completion, all optimized images will be automatically replaced with the WebP format, or the WebP version will be displayed in WebP-enabled browsers.
2.6 View Optimization Results
After the plugin is enabled and optimizing images, you can view the results of image optimization. Visit your website, right-click on the image and select View Picturesto see if the extension of the image file is .webpto confirm that the WebP image has been successfully applied.
![Images [8] - How to use WebP format to improve WordPress site loading speed: a detailed guide](https://www.361sale.com/wp-content/uploads/2025/07/20250715195636649-image.png)
You can also use the Google PageSpeed Insights maybe GTMetrix Tools such as check website load speeds to see the impact of WebP-formatted images on page performance.
Four, in WordPress to optimize the WebP image loading speed
Even if you have WebP format enabled, there are still several ways to further optimize image loading speed.
1. Delayed loading with images
Lazy Load is when images are loaded only when the user scrolls to their visible area. Enabling Lazy Load reduces the number of HTTP requests during the initial page load, thus increasing the page load speed.
WordPress 5.5 and above has built-in lazy loading functionality. If you're using an older version of WordPress, this can be accomplished through plugins such as Lazy Load by WP Rocket.
![Images [9] - How to use WebP format to improve WordPress site loading speed: a detailed guide](https://www.361sale.com/wp-content/uploads/2025/07/20250715184322420-image.png)
2. Enable Caching
Use the Cache plugin to cache WebP images of a page to the browser and theCDNin it, thus speeding up page loading. Recommended caching plugins are WP Super Cache, W3 Total Cache and LiteSpeed Cache.
3. CDN Acceleration
The use of a CDN (Content Delivery Network) enables the distribution of images to servers closer to the user, thus reducing latency and load times. Many CDN services, such as Cloudflare, KeyCDN, and StackPath, support the WebP format and can provide a faster image loading experience.
![Images[10]-How to use WebP format to improve WordPress site loading speed: a detailed guide](https://www.361sale.com/wp-content/uploads/2025/07/20250715184432283-image.png)
4. Regular optimization and cleaning of images
Regularly checking and optimizing images is a good habit to keep your website performing. Using a WordPress plugin such as Imagify or EWWW Image Optimizer to compress and clean up unused images on a regular basis will ensure that your website always loads at optimal speed.
summarize
The WebP format can improve the loading speed of WordPress websites. By reducing the file size of images, WebP can significantly improve page load speed, enhance user experience, and have a positive impact on SEO.
With the support of plugins and CDNs, you can easily integrate the WebP format into your WordPress site and enjoy the performance boost it brings.
Link to this article:https://www.361sale.com/en/67505The article is copyrighted and must be reproduced with attribution.






















![Emoji[wozuimei]-Photonflux.com | Professional WordPress repair service, worldwide, rapid response](https://www.361sale.com/wp-content/themes/zibll/img/smilies/wozuimei.gif)
![Emoticon[baoquan] - Photon Wave Network | Professional WordPress Repair Services, Worldwide Coverage, Rapid Response](https://www.361sale.com/wp-content/themes/zibll/img/smilies/baoquan.gif)

No comments