Create your Fanpage regarding your business.
Run a add campaign to build a strong presence.
Join relevant group as per your business.
Interact with the people and try to reach out the interested people graph.
H1 are the body tags which are used to highlight any part of the webpage by setting priority whereas Alt tags are used to describe the image which help any image in search results.
Google Page rank is based on may factorss
Quality of backlinks and content.
PA & DA of the the website
Quality of SEO which is performed for any website.
If Traffic Monsoon is a tool, I will recommend that one should try to get the traffic with organic searches not with these tools as they can provide spammy traffic also which will increase the bounce rate of the website.
Keyword density is the percentage of times a keyword or phrase appears on a web page compared to the total number of words on the page. Keyword density should be kept as minimum as possible to avoid google penalisation.
It depends on the type of website which you are working on. Rather then focusing on quantity of backlinks one should focus on quality of backlinks with higher PR(Page Rank) and DA(Domain Authority) which will help to boost the ranking in search results