隨sui著zhe網wang站zhan建jian設she的de發fa展zhan，網wang站zhan建jian設she後hou期qi的de維wei護hu和he推tui廣guang就jiu離li不bu了le網wang站zhan優you化hua，在zai網wang站zhan優you化hua中zhong又you離li不bu開kai關guan鍵jian詞ci的de選xuan擇ze和he設she置zhi，所suo謂wei的de關guan鍵jian詞ci也ye就jiu是shi用yong戶hu在zai搜sou索suo引yin擎qing中zhong所suo有you可ke能neng輸shu入ru的de文wen字zi，精jing確que定ding位wei關guan鍵jian詞ci可ke以yi提ti高gao關guan鍵jian詞ci在zai搜sou索suo結jie果guo中zhong的de排pai名ming。