In SEO there is a two branch of activities 1)On-Page and 2)Off-Page activities to attain the top rank in Search Engine Result Page.
Guest posting is the most popular link building method where an article is written as a guest post by another website webmaster.
Where the author places his/her one of website article links inside the article in that way the link juice passes to guest post author’s website.
Q/A link Building:
One of the oldest technique which is boosted by popular website Quora.com. It is a No.1 questing and answering website. Visitors used it to ask a question and find an answer for their question by another visitor.
Many Social Bookmarking websites links are Dofollow which allow Google to follow them and rank their websites.
The forum is a great way of participating and discussing with other webmasters.
In the forum you can ask various questions, write an answer for questions asked, join in various discussions. Also, you can use forums for doing Off-page SEO work. To do link building via the forum, join relevant forums and participate in discussions, answer questions.
Infographics are graphic visual representations of information, data or knowledge intended to present information quickly and clearly.
Profile linking is also one of the important method used in link building. Using profile linking we can create a backlink for the site.
In profile link, you simply add your website’s URL to a personal, professional or any business profile, which you create on different sites. These profiles can also be created on forums, social media sites or any other kind of websites.