Bit of a funny one here - if you do a search on:

related:http://www.lets-do-diy.com/

it comes up with loads of open source projects like apache and FeeBSD and the like.

Anyone got any clue what thats abaout? My site is full of DIY keywords and nuffink to do with webhosting etc.

Where you have been swapping links with?

reciprocal link directories article submission sites.

Would that contribute to similar sites? I thought that would be doing an anlysis of the text in the page using VSM or similar?

VSM?

I thought that would be doing an anlysis of the text in the page using VSM or similar?

Nope, You must have heard the phrase "If you lie down with dogs" ... "You'll wake up with fleas"