Matt Cutts has cautioned over the use of guest blogging as a link building strategy. It may happen that some link builders may approach sites high in page rank and abuse them by sending free content with links to the webmasters. Many webmasters often fall in the trap of free content and post the low quality articles on their site.
Do all Guest Posts Count as Low Quality?
No, all guest posts do not count as low quality. If you are an expert in your field and post articles related to your niche without the sole purpose of building links to your site, then you are completely safe.
Now, for more clarification, have a look at the videos shared below:
Also See:
Difference Between High Quality and Low Quality Guest Posts
SEO Factors Having the Biggest Effect on Rankings
Utilizing Tf-Idf Score to Increase Site Rankings
Query Highlighting in Google- SEO RESEARCH SERIES – Part 3
Advertorial Link Building Spam
Guest Blogging For Links
Top Ways to Get Natural Backlinks to Your Site
How to Create Backlinks That Google Loves
Seo Secrets