For Confluence wikis that are publicly available via the internet, Zen contains several tools for enhancing search engine indexing of your content.

For example, the active-image macro includes an accessible parameter that allows you to tag your image with header text, to assist search-engine indexing.

In addition, Zen contains the following SEO-specific macros:

#trackbackRdf ($trackbackUtils.getContentIdentifier($page) $page.title $trackbackUtils.getPingUrl($page))