Images could make up an enormous portion of the weight on your site. This means that wordpress image optimization can make a huge amount of difference to the speed of your website.

Due to the importance of speed to page for both search engine rankings as well as user experience, it is a subject that should be addressed right.

On WordPress websites Image optimization plugins are able to perform a quick and constant job of optimising the image's size to improve page speed.

1. Imagify

The Imagify WordPress plugin is a powerful tool. Imagify WordPress plugin is an effective tool that transforms any WordPress site into an optimised for images one. This can help reduce load times and boost the overall performance.

A few of the features of Imagify include:

  • Support for WebP, PDF, GIF, JPG, and PNG.
  • Automated resizing and optimization is performed upon upload.
  • There are different levels of compression (Normal and Aggressive Ultra).
  • Backup of the original images.
  • Optimization of the bulk of the media library.
  • Available as a free (limited) and paid version.

Imagify as well as WP Rocket (a speed and cache plugin by the company) together make a highly efficient speed and performance combo for any WordPress website.

2. ShortPixel Image Optimizer

ShortPixel is another well-known WordPress image optimization plugin that has more than 300,000 users.

The most important characteristics are:

  • There are three different types of compression (lossless lossy, lossy, and glossy).
  • Automated optimization of images.
  • Supports WebP, PNG, JPG, GIF, AVID, and PDF.
  • It works as background.
  • It is able to store images from the beginning.
  • It is available in a version that is free (to optimise up to 100 images) and a paid version.

3. EWWW Image Optimizer

EWWW Image Optimizer is a light plugin that has more than one million users active.

The most notable characteristics that are part of EWWW Image Optimizer are:

  • Support for the most well-known image formats, including JPG, PNG, and PDF.
  • The lazy loading process and the conversion to the latest formats, such as WebP.
  • The addition of missing dimensions to images (one of the issues the PSI tool evaluates).
  • Image optimization for bulk images.
  • Keeps original images.
  • The limit is not set to the size of images that can be compressed.
  • Available as free and premium versions.

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The features you should be aware of include:

  • Support for the most well-known image formats, including JPG, PNG, BMP, GIF, and TIF.
  • Image optimization for bulk images.
  • Image optimization during upload.
  • Only works with images less than 5 MB.
  • Creates a duplicate of the original image.
  • A slider allows you to adjust precisely your compression levels.

5. Smush Image Compression and Optimization

Smush is among the most well-known image compression plugins available for WordPress and boasts more than one million active users.

It has a beautiful interface. Its most significant attributes include:

  • Slow loading of pictures.
  • A nice presentation of the outcomes of compression of images (i.e. the amount of space you've saved by using this plugin).
  • Diverse levels of optimization (lossy as well as lossless).
  • Lazy loading.
  • Available as free (limited to images less than 1 MB)) and professional versions.

6. Optimole

Optimole can be described as an optimization tool that allows you to get rid of those large images, so that your website or blog loads faster.

It reduces JPEG as well as PNG files, while maintaining their quality, ensuring that users experience faster load times and a more enjoyable browsing experience.

Its most important features are:

  • Simple and user-friendly interface.
  • 4 compression levels (auto, high, medium, low).
  • Support for Retina and WebP.
  • Lazy loading.
  • Utilises a free CDN.
  • Available in both paid and free versions.

7. WP Compress

Alongside the most well-known features for optimising images, WP Compress also comes with a variety of features for agencies, including client reports, remote configuration and monthly client quotas for clients, and much more.

A few of the standard WP Compress features include:

  • Optimising bulk in one click.
  • Lazy loading.
  • Conversion to the latest formats, like WebP.
  • Lighting-fast hybrid CDN.
  • Available in both paid and free versions.

8. Optimus

Optimus is a WordPress photo optimization plug-in that provides smart optimization of images . It promises to reduce the size of image files by as much as 70%..

The most notable aspects of Optimus are:

  • Optimization in bulk of all existing images.
  • Automatic image optimization upon upload.
  • Assistance for Retina images.
  • Works is compatible with WooCommerce.
  • Available in premium and free versions. Available in free and premium.