A webmaster posted a question at both Search Engine Roundtable Forums Search Engine Watch Forums asking what is the htdig-noindex meta tag do.

Both threads point to http://www.htdig.org/, which is an open source search engine. This open search search engine, named ht://Dig supports a noindex meta tag "htdig-noindex." So if you want to block this search engine from indexing you, just add:

<meta name="htdig-noindex">

The search engine recognizes and supports the following meta tags:

• htdig-keywords
• htdig-noindex
• htdig-email
• htdig-notification-date
• htdig-email-subject
• robots
• keywords
• description

Forum discussion at Search Engine Roundtable Forums Search Engine Watch Forums.

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