The matching degree of search words from wide to narrow is: accurate, accurate phrase inclusion, synonymous phrase inclusion, core phrase inclusion and extensive.
Exact keyword matching means that keywords and search words are completely matched. Now Baidu has the extended function of precise matching, which means that both search words and keywords can match the same or similar pronunciation. For example, the exact match of the keyword "cosmetic surgery" can be matched to "cosmetic surgery", "cosmetic surgery" and "cosmetic surgery".
Keyword phrase-contains an exact match, which means that the search term matching the keyword must contain all the characters of the keyword. For example, the keyword' plastic surgery' can match the search words' plastic surgery hospital',' is plastic surgery good' and' where is plastic surgery' cannot match' which beauty salon is good for plastic surgery'.
Keyword phrases-synonyms contain matches, which means that the search terms of keyword matches must have the same meaning. For example, the keyword "Where is the plastic surgery" can match the search terms "Where is the plastic surgery" and "Which hospital is good for plastic surgery"
Keyword phrase-the core contains matching, that is, the subject matter of the search word matched by the keyword must match the keyword. For example, the keyword "plastic surgery hospital" means "plastic surgery hospital" or "plastic surgery hospital" instead of "plastic surgery hospital", so there are many keywords that can be matched. As long as the search words and keywords have the same meaning, they can all be matched to "How much is the plastic surgery hospital?" "How good is the plastic surgery hospital?" ......
Keyword extensive matching refers to the search words matched by keywords, which can be matched as long as they are the same as or have the same meaning as an element in the keyword. For example, the keyword' How about Plastic Surgery Hospital' contains the elements' Beauty+Plastic Surgery+Hospital+How+Plastic Surgery+Plastic Surgery+Hospital Plastic Surgery+Hospital Plastic Surgery ……'. As long as any of these elements are included, no matter what the prefix and suffix are, you can match the keyword.
In addition, these keyword matching patterns are all inclusive:
Extensive inclusion: accurate+phrase (accurate inclusion+core+synonym)
Phrases-Core Inclusion: Exactness+Phrases (Exactness+Synonyms)
Synonymous inclusion of phrases: accurate+accurate inclusion of phrases
Phrase-exact inclusion: exact match