WPML

Recommended Optimization Plugins for Multilingual Sites

Optimization plugins speed up your site with database cleanup, image compression, asset management, caching, and static site generation.

We only recommend plugins that show an ongoing commitment to WPML compatibility. The authors of the plugins featured below work closely with the WPML team on a regular basis to ensure you can build a reliable, multilingual site.

Compare the Recommended Plugins

FeatureWP-Optimize – Clean, Compress, CacheShortPixel Image Optimizer
About

WP-Optimize cleans your database, compresses large images, and caches your site. This optimizes your site and makes your site more efficient. A premium version includes multisite support, lazy loading, advanced optimization options, and more.

ShortPixel Image Optimizer is a lightweight plugin that can compress all of your site's images and PDF documents with one click and automatically resizes and rescales images as you add them.

Pricing modelFreemiumFreemium
Plugin price$0–199$0–99
Date testedJune 16, 2026July 20, 2026
DetailsMore about WP-Optimize – Clean, Compress, CacheMore about ShortPixel Image Optimizer

All Optimization Plugins

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