Indexer's HTML parser currently understands the following META tags. Note that "HTTP-EQUIV" or "PROPERTY" may be used instead of "NAME" in all entries.
<META NAME="Content-Type" Content="text/html; charset=xxxx"> This is used to detect document character set if it is not specified in Content-type HTTP header.
<META NAME="REFRESH" Content="5; URL=http://www.somewhere.com"> URL value will be inserted in database.
<META NAME="Robots" Content="xxx"> with content value ALL, NONE, INDEX, NOINDEX, FOLLOW, NOFOLLOW, NOARCHIVE.
<META NAME="DP.PopRank" Content="xxx"> with Content value as a real number. This is used to assign the initial value of PopularityRank for the page.