The Joomla Extensions Directory, the JED, contains a lot of extensions and plugins that can help you in your activities to optimize your Joomla website for search engines. Also we discuss extensions that can help you with better performance. Some of these are small, others offer extensive functionality, and can be complicated to use.
We discuss a few that are known to help your SEO activities. In the months to come, this list will probably grow.
RSSEO controls metadata, canonical URL's, keywords / keyword rankings and many more SEO parameters.
Easily add structured data markup for Site Name, Site Logo, social media and breadcrumbs
Jotcache offers advanced caching, allowing exclusion of pages, components, browsers, etcetera