An Introduction to Building Links
In a fraction of a second, Google’s search algorithm computes how many websites link to your website and the value of each individual link. Google automatically performs this process millions of times every day: Google believes that calculating links and taking into consideration such things as what those links say, along with the quality of the websites they come from, is an effective method of determining a website’s authority. Google partly ranks websites based on how authoritative they are in their respective markets. Delivering relevant results and determining authority is the foundation of the Google search engine.
In short, if a lot of quality websites link to your website, you ...