This site creates a tag cloud given any url:
http://www.yvoschaap.com/tagcloud/index.php?filename=blog.outer-court.com
+ you can get the source code to make your own. |
They don't use their own crawlers, they cluster search engine results, that is all. Another player in this field is Carrot search (look for Carrot2).
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Clusty does have its own (Vivisimo) crawler. That is how the Shakespeare plays and sonnets were indexed. The meta-search at Clusty.com calls ten or so search engines, including a few set up by Clusty by crawling Wikipedia, Open Directory, and others.
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