Link Quality

Link Quality force Google’s algorithm for decide the quality and reputation of web links is deep more advanced and precise than Yahoo’s. Yahoo easily does not function as much work in hide the quality link, and as a result suffers from bit more spam in the results than Google.

When optimizing for Google, you must appreciate that the number and quality of incoming links is a huge cause in determining your ranking gain. With Yahoo, you can achieve away with poor quality links, Anyhow I don’t approve this as it would force your Google rankings.