WHAT IS DOC SUBMISSION BACKLINK AND HOW TO CREATE IT
Doc submission backlink is a backlink that takes document usually in the form of PDF and makes it free to create backlink. It is similar to article submission.
WHAT IS PDF SUBMISSION DOFOLLOW BACKLINK & HOW TO CREATE IT
In simple words, when you upload or submit a PDF file on a website for SEO purposes to get traffic on your website by creating backlink is called PDF submission
WHAT IS DOFOLLOW IMAGE BACKLINK AND HOW TO CREATE IT
When an image gets linked with many other websites, it forms a link which is called dofollow image backlink and submission of image is known as image submission