Just a FYI.

I just installed YaCy (one of the more impressive Java application I
have seen). YaCy is a project that offers fully decentralized peer-to-peer search.
Something like Tor, but only for web-searches. Ref.
  http://www.yacy.net/en/index.html

While running this Java-app here, I did a web-crawl of http://curl.haxx.se.
The resulting picture (the 1st crawl level) is attached. A more detailed
picture is here:
  http://home.broadpark.no/~gvanem/misc/curl-WebStructurePicture2.png

curl.haxx.se surely has many external links.

--gv

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