Google Index Library Before you search on Google, Google reads, analyzes, and extracts what it understands from hundreds of billions of websites, and sorts it into indexes. How does Google extract key information from the web? First of all, Google will judge whether the article can best explain the searcher’s question, whether the article contains the results we want to see after the search, sometimes a question is not enough to explain our doubts, Google official engineer Matt Cutts said, Google will ask more than 200 questions to judge the value of a web page in an article. Like what:…