I look on what the two had the most traffic on google trends.
the result:
Red wedding
blue dating
Then I find out whether two of which were profitable. To do this, I was searching in google the words marriage and dating (here in french, because I work on the French market)
here's to marriage:
here for dating :
conclusion: for marriage, I have to seek, and can offer PPC. As for dating I have less research, but a lot of demand. And I can deduce, that dating is a more lucrative market than marriage.
Now I must search the forum, and find that it raises the issue who are interested in dating
