They may have high domain authority and site authority given that they receive a lot traffic and engagement. Backlinks from these web pages go loads of “link juice” to your site. Ebooks In-depth guides on dozens of topics pertaining for the marketing and advertising, income, and customer service industries https://web-2-0-profiles-backlink23680.wikicommunications.com/4636358/getting_the_seo_backlinks_to_work