For fun, I put the URL for Boing Boing in Google's keyword tool, meant to suggest keywords based off page content, and I got 100% laptop/computer keywords. Anybody who has been to that site (one of the most popular blogs on the internet) knows that laptops are only a small part of the site content.
So...what is the site about according to Google? Well, Google's PPC program is pretty damned sure it is about laptops, but I know otherwise. It clearly just looked at the site as it is now, and made a determination of the current keyword densities. It really made me wonder though.
The reason I ask is because we all know we are supposed to get links on "niche" sites, yet many blogs and sites are so ubiquitous in nature that I can't imagine Google being able to make accurate accurate assessment, or even categorize it into niche (man I hate that word).
Is there a better "niche determination" technique. Should I just avoid sites that aren't obviously focused on a particular topic? Also, how flexible is a niche....would a real estate blog be able to host a construction link, or a female health site be able to host a swimming pool link without being questioned?
Anybody with some hard evidence of where these "niche boundaries" actually occur, please let me know!