Keyword Proximity refers to the closeness between the two keywords. In simple, it measures how close in the content the keyword are. It is better if they are immediately one after another. For e.g. we have "Mobile Apps" as a keyword. Now if we have 'Mobile' in the first paragraph and 'Apps' in the second or third paragraph, this will also counts but not counted as "Mobile Apps". Keyword proximity is applicable where keyword or keyphrase consist of two or more words.
Keyword proximity refers to the proximity of the keywords. Your keywords should be close to each other on the web page content. Many people do not know about keywords. Usually it as keyword phrases. Generally not targeted keyword.
A lot of search engines use keyword proximity to work out the relevance of a link. If a link is surrounded by similar content, then this will make the link look more natural, and more relevant too.
Hey friend keyword proximity is relevant keywords. When you use a Title Tag for SEO website or Keywords like "SEO Company" "SEO Services" , these are related to keyword proximity.
Keyword proximity:
It refers to closeness of your keywords. It is also know as the combination of Keyword density and Keyword prominence. In general, closeness in keywords better for your website ranking.
Keyword prominence, proximity and keywords in the alt tag page SEO is not too large owners of the known factors. Most people finished their main keyword placed in the page title, description, and site optimization.
Keyword proximity indicates nearness of two key terms. It is a variety of the compactness of a search phrase and its size. So nearness looks at the place of the search phrase in the phrase and how often it's being used in that phrase and also considers the range between them.
Most keywords are mostly key phrases that need to be close enough to make sense..and whatever this keyword proximity, it does not have any impact on the SERP.