You can go for Reverse Engineering i.e. monitor your competitor backlinks. Sort out the best one and start doing submission. Another option is to create a sharable and engaging content to earn backlinks.
You can get good backlinks for your website by posting links of your site on other high PR websites. Various off page activities like social bookmarking, blog posting, article posting etc can help in building quality backlinks.
I would advise Content Marketing. With recent google updates low quality links may have a negative impact to your site. getting your link into articles and onto high quality blogs will have the most positive effect. You may wish to consider submitting articles related to your business around the web.
going with comprtitors websites backlinks is not that much best idea, try to provide some information to queries which usually related to your websites topics or offtopics then post your link. it can help in two ways you will give your knowlegde and get promoted witht the help.
The only ethical back linking techniques is posting quality engaging contents and getting natural links. People will read your contents and link back to you. This way you can get quality natural back links
You need to do promotion in social networking sites, bookmarking is also a good option, you can also buy them from sites like listingdock and Seoclerks. You can also use the link in your signature at different blogs.
Sure? Do you know what is Google ad word?
Both are different things, because seo is an organic way to promote your website and while Google adwords is a paid service. And Google adworld never create back links.
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