Serving your website’s images in a Next-Gen Image Format

Images on your website should be in a Next-Gen Image Format

Next-Gen Image Format: Serving your website images in a Next-Gen image format can drastically speed up your website. WebP is a modern image format that provides superior lossless and lossy compression.

What’s a Next-Gen Image Format?

Let me explain a little about what a next-gen image format is and how we can use a next-gen image format to achieve a faster load time for our website.

Next-gen images use formats with superior compression and quality characteristics compared to their GIF, JPEG, and PNG ancestors.

WebP images use less data while reserving their high quality.

While the device and browser compatibility for each format varies, Reductions to the image file size offered, along with the overall faster download of your webpage make this worthwhile to use a next-gen image format.


Similarly, AVIF is another modern next-gen image its a new image format derived from the keyframes of AV1 video format that you can use to improve image compression on your website.

Image compression is minimizing the size in bytes of images, therefore, lowering the quality of the original image. By compressing images on our websites it helps the pages load quicker.

This is a result of your website requiring fewer bytes of data to fully load a page.

Consequently, a small loss in quality is usually not noticeable by your visitors.

For example, computers can perceive images in much higher detail compared to the human eye. Image compression algorithms are smart by slightly modifying the images so that they are unnoticeably different to the human eye.

Large images can slow down your website it does not give a good first impression to your visitors. Above all, a bad first impression of your website doesn’t provide a great user experience. There are lots of ways we can speed up the loading time of our websites.

Comparing JPEG and PNG with WebP

Most importantly when we compress our website’s images we do so in a next-gen image format.

Website correctly optimized images can work wonders for your website SEO (Search Engine Optimization).

For example, the image below shows a PNG image being compressed to WebP-lossless and WebP-lossy.

As a result, you can see from the file sizes there has been a massive saving in file size. Certainly, the quality of the image is barely noticeable. I guess you’re starting to get the feeling why they call it lossless image compression.

Next-Gen Image Comparision

Image shows PNG images compressed to WebP-lossless and compared with WebP-lossy.

WordPress Plugin

There are lots of image compression plugins for all different types of web frameworks. One of our favourite compression tools for WordPress is WebP Express. It’s a plug-in for WordPress that uses the WebP Convert library to convert images to WebP. WebP Convert is able to convert images using multiple methods.

Compress WebP Image Online

There are lots of great online tools that will let you compress your images to WebP. These online tools can be a savour for less tech-savvy users who just want a quick way of converting their current images to WebP.

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