The most common methods to build quality backlinks are:
Guest posts on related websites.
Build links with infographics.
Broken links method.
Blog commenting.
Skyscraper technique.
Niche forums.
Email outreach to influencers.

 A guest post is a piece of content you write that you get published on someone else's blog, instead of posting it on your own site. This is done in exchange for some recognition in the form of a link that points back to you

In my experience, the biggest SEO mistake I%u2019ve seen is the use of keywords and/or anchor links that are too generic.

It%u2019s intended to cast as wide a net as possible, but just because you%u2019re generating a huge volume of traffic doesn%u2019t mean that you%u2019re generating quality traffic that will be converted somewhere down the line.

In fact, narrowing your keywords a little may mean that fewer people land on your page, but there will be more of the people who might actually buy your product/service. It%u2019s the difference between %u201CPlumber%u201D and %u201CPlumber Bronx NY.%u201D

This is actually tied into content %u2014 usually, problems with keywords come from problems with the overall focus and quality of your content. In writing, when you have a bad essay, you%u2019ll probably also have a bad title.

The solution is to plan your SEO strategy in alignment with your content marketing strategy. Don%u2019t treat SEO like a battle plan for manipulating Google algorithms all the way to the top of the search page. Treat it as a distribution aspect of your marketing plan.

That means you must invest in tools for analytics. Without tracking and measuring every single user activity on your website, you can%u2019t know how people are getting there, what they%u2019re interested in, and what doesn%u2019t appeal to your target market.