Key Features

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Frequently Asked 
Questions

How does the plugin work?

The plugin uses client-side compression algorithms and provides you with the ability to compress images in your WordPress media library or during the image upload process.

What does the speed of image compression depend on?

Because the compression process happens directly into your browser – it depends on your device’s performance.

How are the images processed? Are they sent to an external server?

The images compressed directly in your browser – means no external server used. Squeeze does all the work locally. So you should not worry about privacy.

Can this plugin convert images to the WEBP format?

Yes! The Squeeze plugin supports converting images to the WEBP format during the compression process. WEBP is a modern image format that provides superior compression while maintaining high quality, resulting in faster loading times and reduced bandwidth usage. To enable this feature, simply check the “Generate WEBP” option under the Basic Settings tab to output images in WEBP format.

How are WEBP images served?

By default, the Squeeze plugin adds rules to your .htaccess file to serve WEBP images automatically. This means that when a browser supports the WEBP format, the corresponding WEBP version of an image will be served without changing the original image’s URL. This allows seamless integration without disrupting your website’s existing structure.
If you enable the “Replace Images URLs” option in the plugin settings, the plugin will directly replace all image URLs on your pages with their corresponding WEBP versions. This can be useful for ensuring that WEBP images are explicitly used everywhere on your site.
The generated WEBP images are stored in the wp-content/squeeze-webp folder within your WordPress installation.

Which scripts are used for compressing and converting images?

The Squeeze plugin utilizes the same scripts and libraries that power the Squoosh.app, an open-source project by the Google Chrome team. These include highly efficient image processing libraries such as:

  • AVIF: An advanced codec for creating lightweight and high-quality AVIF images.
  • MozJPEG: Used for compressing JPEG images.
  • OxiPNG: Used for compressing PNG images.
  • WebP: Used for converting and compressing images to the modern WEBP format.
Which image formats does the Squeeze plugin work with?

Squeeze plugin supports JPG, PNG, WEBP and AVIF image formats.

Can I compress multiple images at once?

Yes, the plugin provides a bulk compression feature. This saves time and effort compared to compressing images individually.

Can I compress images NOT from the Media Library, but from a custom folder?

Yes, you can compress images from any folder within your WordPress installation.

Can I customize the compression settings?

Yes, the plugin allows you to customize various compression settings according to your preferences. The Settings page is located at Settings -> Squeeze.

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