Black hat tactics purpose at manipulating search engine algorithms utilizing techniques from internet search engine pointers. The most typical black hat tactics incorporate key word stuffing, cloaking (hiding keyword phrases in code making sure that people don’t see them, but search engines do), and buying inbound links. 外链是搜索引擎发现新页面并判断其“权威”的方式。 在没有外链的情况... https://focuspredict.com