How To Encode Images Efficiently?


When it comes to images, there are a lot of ways to encode them efficiently. In this article, we’ll go over some of the most popular methods so that you can choose the one that’s right for you and your project. You may have encountered recommendation to efficiently encode images while running your WordPress site through PageSpeed Insights test. Here’s how to fix this issue.

Tips for encoding images

The JPEG and PNG formats are the most common image formats on the web. JPEG is best suited for images with lots of detail, like photos. PNG is best suited for images with fewer colors, like logos or illustrations. While WebP offer more compression possibilities.

When encoding images, choosing the correct format and settings is vital for the best quality and file size. Here are some tips:

  • Use JPEG for photos and high-color images. Choose a high-quality setting, like 80-90%, for the best results.
  •  Use PNG for logos, illustrations, or icons with few colors. Choose a lower quality setting, like 50-70%, to keep file sizes small.
  •  Use GIFs for animated images. GIFs can be encoded at lower quality levels without affecting image quality.
  • Use WebP wherever possible.

Follow these tips to encode your images and improve your website’s performance efficiently!

Steps to efficiently encode images

There are many ways to encode images, but some methods are more efficient than others. Here are a few tips to help you encode images efficiently:

1. Use the correct file format. When it comes to encoding images, different file formats have different compression levels. For example, JPEG files are typically more compressed than PNG files. So, when choosing a file format for your image, choose one that will be easy to compress.

2. Resize your images. Another way to reduce the file size of an image is to resize it before encoding it. This is especially helpful for large images that don’t need to be full-size. By downsizing an image, you can reduce the amount of data that needs to be encoded, making the encoding process more efficient.

3. Choose the proper encoding settings. When you’re ready to encode your image, look at the available settings and select the ones that will give you the best balance of quality and file size. In general, lower-quality settings will result in smaller file sizes, but too low of a setting can make an image look bad. Likewise, higher-quality settings will result in larger file sizes but better-looking images. Experiment with different settings until you find the perfect balance for your needs.


Images can be encoded in various ways, each with its benefits and drawbacks. The key is to choose the correct encoding format for the job and use it efficiently. This article has looked at several common image encoding formats and discussed when each is best used. By keeping these tips in mind, you can ensure that your images are encoded correctly and efficiently every time.

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