"Spam links" are unwanted and unsolicited website links that are often sent to people without their permission. These links are usually sent in bulk and aim to deceive or trick people into visiting certain websites. Full definition
That certain large legal marketing firm and other SEO companies had been using questionable tactics like spam links, paid back links and excessive anchor text to artificially improve page rankings. (attorneysonlineinc.com)
However comments with spam links, business links will be deleted! (fashion.bhushavali.com)
Unfortunately, I had to spend hours upon hours this month going back through three years of posts and deleting embedded spam links. (makeitnaked.com)