The SEO optimization add-on is a pack of tools for SEO optimization of your store: flexible management of the site pages indexation allows you to exclude pages that should not be indexed from the index, HTML-minification, export/import of 301 redirects, double slashes removal from the URL, canonical URLs for various store pages, the Last-Modified HTTP header, and even the SEO-name editor for editing the SEO-name table right from the admin panel.