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Adaptive Images for WordPress
Adaptive images plugin transparently resizes your images, per device screen size, in order to reduce download times in mobile environments.
The facts
- Rating
- 4.7★ from 56
- Active installs
- 3k+
- Price
- Free
- Last updated
- 15 Oct 2024
- Added
- Apr 2015
- Requires WP
- 5.0
- Tested up to
- WP 6.6.7
- Downloads
- 177,608
Our analysis
AI-assistedAdaptive Images for WordPress is a plugin that resizes and optimizes images specifically for mobile devices. It works as a filter between your website and the devices, delivering smaller images to reduce download times without affecting the layout or style of your theme.
This plugin is suitable for those looking to improve mobile performance by ensuring faster image loading. It supports JPEG, PNG, and GIF formats, but does not support WEBP or animated GIFs.
Best for: This plugin suits website owners who want to enhance mobile performance through image optimization.
What it does well
- ✓Reduces total download time for mobile devices
- ✓Works independently of theme layout and style
- ✓Respects search engines by sending original images
- ✓Lightweight and does not load the full WordPress environment for image requests
- ✓Supports CDN/Varnish/Nginx in experimental mode
Where it falls short
- •Cannot handle CSS background images in CDN mode
- •Not compatible with CDNs using a different subdomain for images
- •Limited to specific image formats
Verdict
Adaptive Images for WordPress provides a straightforward solution for optimizing images on mobile devices. It is particularly useful for those focused on improving load times without altering their site's design.
From the developer
Takis Bouyouris's own description of Adaptive Images for WordPress, lightly tidied.
Adaptive Images
Resizes and optimizes images delivered to mobile devices, in a transparent way, so that the total download time is dramatically reduced. It works as a filter between your WordPress website and the devices and seves smaller images to them.
Note that this is not a CSS nor a responsive images solution. It does not affect your themes layout and style. It simply sends smaller images to the devices without them noticing it!
Fundamental goals
- Reduce the total download time of a web page in mobile devices dramatically.
- Work transparantly and unobtrusively by being independant of your theme layout and style.
- Be agnostic of the yet not-standardised
pictureelement or HTML the imgsrcsetattribute.
Side benefits
- Respects search engines and sends them the orginal version of each image.
- If it does not recognise a device size it falls back to the original image size.
- It is lightweight, because it does not need to load the whole WordPress environment every time it server an image request.
Supported formats
- JPEG
- PNG
- GIF (not animated)
NOT Supported formats
- WEBP
- GIF (animated)
CDN/Varnish/Nginx/external caching services
Since version 0.6.0 CDN/Varnish/external caching service support has been added as an option, in an experimental mode. This means: i) it is not thorougly tested yet ii) however, it works in almost all test cases so far iii) it bears no dangers to your installation iv) it adds a special url parameter to your image urls, so it is slightly obtrusive.
- Tested with MaxCDN, Varnish and Nginx up to now.
- Cannot handle CSS background images in this mode (yet).
Cannot work, not even in experimental mode, with CDNs which use a different subdomain for images, because these setups completely bypass WordPress when delivering images. Feel free to ask for details on this in the support forum.
Default breakpoints
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