Screening long tail keywords
 

1, do before SEO to do website localization
We are looking for new SEO long tail before the keywords, ahead of us said website localization, we should from the site orientation Angle to find belongs to own site long tail keywords.
2, choose long tail keywords, we need to consider the cost of investment
A lot of people think that the long tail keywords ranking make up

Unfortunately, I'm not terribly familiar with the terms you are mentioning. I have so much more to learn.

Yes, Long tail keywords are easily rank on google. And if you want to do PPC by using long tail keywords then it would be difficult because most of the people target long tail keywords in PPC.

long-tail keyword will bring higher conversion rate than short keyword.

I agree with beetwist. Long tail keywords brings more conversion then broad keywords. For SEO, they are easy to bring on top.