We need to use apptopriate key words to get more traffic. The key words normally relate to products and services as well as interesting topics. Whenevaer, appropriate, these should be used.
By experience, you will find that some words used by us are in green. These are key words. We should use these whenever proper.
I think keywords play a major role. Please refer search engine optimization(SEO) articles for better info. Write current hot topics. Then submit that links to different search engines and sharing sites. Then you get good traffic