Hidden links: It’s the link text that is visible only to search engines. It’s considered a manipulative practice – your site may be penalized for hidden links.  However, getting too many backlinks too quickly can make search engines think you're engaging in SEO black ha

Authority Hacker used a completely different approach and analyzed a dataset of 100,000 URLs, ranking in the top 20 for different keywords. That said, their results are still similar to Zappy’s ones: the higher the rank, the more unique backlink anchors the page shows. Typically, the main k