Ok, so I'll go straight to the point: -1- Code: www.spyfu.com Most of the people know about this one; anyway there's a plethora of information to be given in here so I'll just sum it up, in case you didn't know. 1.) Do a search for any website, and you can see how much does a website spends per day on AdWords, how many clicks they get via AdWords per day, what their average position is, how much competition they have for their main keywords, what keywords they rank organically on the search engines, and what keywords they pay for them on AdWords. 2.) Do a search for a keyword, such as "make money". The site will tell you how much it costs to use that keyword, what competitors are using that keyword and what other similar keywords they are using, organic results for those k/w , and a bunch of other stuff. Status: FREE -2- Code: www.iwebtool.com/backlink_checker Finds backlinks linking to your competition, as well as their description, language,size and Page Rank. Of course, you can check your own backlinks as well, and even verify them, in case you placed an order from somebody, and convince yourself of his work Status: The thing is, you can only do 10 searches per hour. You can buy a gold account to lift that limit, but I'm sure you know well how to fix that without paying my black hatters -3- Code: www.quantcast.com This site gives you TONS of information. You can view how much traffic a site gets, and the demographics of the site's users (age, gender, household income, ethnicity, head of household education, children etc) 1.) You can see other sites that a site's audience frequents, which can give you tons of insight into lifestyle and behavioral traits. The site brakes it down into how often users go to others sites too. 2.) You can check out designated market areas, what popular domains are on a site (great for gauging a market), and how long people stay on a site. You can also compare traffic with up to 5 other different website destinations. Status: FREE =_-=_-_-=_-=_-=_-=_-=_-=_-=_-= I hope these were helpful for you, I will be making soon some other threads, about other subjects. If you considered this helpful, don't forget to.. oh fu** it. Enjoy!