Google has made two notable changes to its search algorithm in the past 24 hours, both of which continue Google’s crusade to keep its search results relevant. The 4.0 release of the Google Panda algorithm is intended to make it more difficult for websites with poor quality to rank highly in search results (via SearchEngineLand).

Payday Loan Algorithm 2.0 was also released yesterday, and it targets “very spammy queries,” and is unrelated to Panda’s rollout: expand full story