### Custom/Default SEO Config (titles & tags).  ###

	# suppress default title tag
	config.noPageTitle = 2

	# declare a page header text object
	page.headerData.10 = TEXT

	# use page subtitle field first; otherwise use page title field
	page.headerData.10.field = subtitle // title


### 3.  Metatags:  Edit This Section ###

	page.headerData.10.noTrimWrap = |<title> | / Site Name / Location </title>|	
	
	# These will be the default keywords and description for any page that does not have them set
	page.meta.keywords = keyword 1, keyword 2, keyword 3, etc.
	page.meta.description = This is the meta description
			

### End Edit ###

	page.meta.keywords.override.field = keywords
	page.meta.description.override.field = description

http://www.seethroughweb.com

Typoscript configuration of metatags: title, description, keywords

TYPO3