EWWW Image Optimizer Premium extends WordPress media workflows with image and PDF optimization, responsive delivery, format conversion, and performance tools. It can process entries in the Media Library, theme images, and folders configured within the WordPress installation.

Process images and PDFs

Premium includes 5x premium image optimization, PDF optimization, and automatic scaling, including for images referenced in external CSS. Images can be resized at upload or in bulk. You can control which WordPress thumbnails are created and optimized, preserve GIF animations in thumbnails, adjust JPG and WebP quality, configure AVIF quality, and convert images among GIF, PNG, and JPG.

Prepare images for different screens

Enhanced responsive images use dimensions suited to different devices. High-DPI delivery works with screens with 2x and 3x pixel density. The extension optimizes WebP images and supports one-click WebP and AVIF conversion and delivery. WebP versions can be served to compatible browsers through Apache-style rewrite rules, JavaScript WebP Rewriting, or Picture WebP Rewriting.

With the Easy IO CDN, images are compressed, scaled to page and device dimensions, lazy loaded, and converted to WebP and AVIF. Premium CDN delivery also covers CSS, JavaScript, and fonts, with a custom domain name option.

Run website-wide optimization

Bulk Optimize processes the Media Library, theme images, and selected folders from one page. Configured folders can include images used by supported galleries, sliders, avatars, and attachments. Scheduled optimization and WP-CLI support repeat processing workflows.

Premium also includes watermarking and 30-day cloud-based backups. The add-on can control individual WordPress thumbnails, and converted originals can be restored where supported.

Use the included SWIS Performance tools

Premium plans include the SWIS Performance plugin, with page caching, long browser-cache lifetimes, JavaScript and CSS deferral and minification, and Critical CSS generation to help prevent layout shifting. Other tools optimize font display, self-host Google Fonts, preload assets such as fonts and LCP images, reduce unused JavaScript and CSS, and manage speculative loading.

Check server requirements and compatibility

Local optimization can use server tools such as jpegtran, optipng, pngout, pngquant, gifsicle, and cwebp. This mode requires PHP exec() and a compatible Linux, Windows, MacOS, or FreeBSD server. If the server is incompatible, the Compress API supports lossless JPG optimization and WebP conversion.

The plugin has been tested with thousands of extensions and themes. Examples include BuddyPress, Cloudinary, FooGallery, NextGEN Gallery, WPML, and WP Offload Media. WooCommerce-related workflows depend on compatible extensions.

Set up a repeatable media workflow

After installing EWWW Image Optimizer Premium in WordPress, configure the image optimization, format delivery, scaling, CDN, backup, watermark, and performance settings for the site. Use Bulk Optimize for existing media, then schedule optimization or run it through WP-CLI when you need ongoing processing.