Google webmaster tool

Keyword adword is a best technique...

Google keywords Planner is the best tool for researching and choosing the best keywords for your blog or a website.

Totally agree with you. Finding right keywords for your article is also important because its impact on search engine results. Google keywords planner tool is really helpful for finding relevant keywords for a article or a website.

Google webmaster tool is best for the website error check and ranking check. It is best for the website crawling.