Adding keywords in URL helps in making URL SEO friendly and make’s it easy  to remember.

Add keyword in Tittle & Description of the web page.
Minimum web page load time.
Study your competitors. 
Content should not be copied.
Write on what is hot & make it unique, informative & entertaining.
Post relevant links with comments on blogs & forums.
Your content should be linked to your post or web page.
Write guest posts for blogs & websites.
Build your networks through social media, groups, blogs. 
Share updates through social media, podcast, on regular basis. 
Hold contests to built your brand, free giveaways are boost for businesses.