Linkspun.com

There's no particular rule. Individual webmasters will have their own rules so just read people's profiles. If you actually read people's trade rules you'll be doing better than half the knuckleheads on here :P Generally though people prefer to trade with the same type of site so blog>blog tgp>tgp t...

Further proof that public PR is useless.

Site is clean here and being a Pimproll tube makes even more unlikely that was the culprit.
Not that PR tubes are necessarily more secure but there would be a massive shitsotrm all over if this was going on with them I'd think.

fuck sakes, I guess I know what my plans for the night are

It's very normal as others have said. The one thing I really hate is when I update an old blog that's getting good traffic and Google decides to cut the traffic in half as soon as I update and it takes a few months to get the traffic back. I'm not an SEO expert by any means but one thing I know for...

I don't. From an SEO standpoint, I can't see how that would seen as anything other than spammy or obvious link trading. Why is an English speaking surfer going to be interested in visiting a German blog that is mostly text? Or the other way around. I don't know why you think that's an American quest...

How do you determine if a site is an illegal tube?
Of course most are obvious but what's the criteria?