Enables high resolution Gravatar images on any browser that supports them.
HiDPI Gravatars is designed to be fully compatible with page caching plugins such as WP Super Cache.
Pages that were cached prior to activating HiDPI Gravatars will need to be refreshed. Empty the cache to make sure the new Gravatars will appear.
HiDPI Gravatars is not compatible with any Gravatar caching plugins.
HiDPI Gravatars might not detect customized Gravatar functions in other plugins. As of version 1.4, HiDPI Gravatars relies on the WordPress get_avatar filter. Custom avatar generators that avoid or disable this filter will be ignored by HiDPI Gravatars.