What is the best strategy to rank a keyword first place in search engines?
I think you have to do lots of work for it. Quality Content is very important things, Content based technique is potential.
Time and dedication and lots of little changes to your website over time.
Making sure your website is on SSL and loads very fast.
and other things. :)
Promote your quality content on particular websites like as PR, Article etc.
You can promote and post content on your internal blog, as well as perform a guest post on the hosting authority site, to rank keywords.