Proximity stands for proximity; Keyword Proximity is therefore the keyword proximity. Keyword proximity is search engine optimization (SEO) for combined search queries. Keyword Proximity is the word proximity that two or more keywords within the text on a web page
have to each other.
and has an effecton the ranking index and thus in a better placement on the results pages
(SERP). The keyword proximity is exclusively for combined search queries with several keywords. However, it makes little sense to impair the reading flow by many keywords.