<t>Link wheel and link circle both are similar terms but yet there is minor different. As in link circle we link to only some definite site and this linking process is going on to each other site circularly. Where as in link wheel one site to another , another to other and this way we can build link ...

<t>A hotlink is a direct link in an HTML file to a file on another server. While there are some legitimate uses for hotlinks, in many cases they are a source of irritation, because they can sap bandwidth in addition to violating copyright laws or placing media out of context. Images are most ...

Referrer spam is a kind of spamdexing. It’s not a usual SEO technique. It’s a black hat practice that is being used less and less now that Google is becoming more and more familiar with it in addition to creating spam links less important.