I always go by...if you have to ask and there are alternative sites - go to them. I prefer http://www.quilterscache.com/Quil... when I first tried quilting this is the site I found and it seems very detailed.
The advertisements are based on your internet use and are not chosen by or approved/sanctioned by Cute. They are random based on your browsing.
You can't totally. That is how websites make money...by allowing ads on their site. Some sites have words in blue in the context. If you click on a blue word, it'll take you to an ad. It's an annoying part of the internet.