All you want to know that site is a spam or not. So follow this steps
Step 1 :Open Google search engine

Step 2 :In google search enter site name followed by spam.
For ex: you wanna know clixsense is spam or not, then in google search bar enter "clixsense spam" you will get some site in those you can find out your optimistic solutions.

Step 3 :Still more you can enter the same text in other search engines like Alexa,etc.,so you will get more review of the site.

From the review you decide which site is trustworthy and then follows your steps.

Keep this Point in mind
-> Site which promises too much is a fake site