Keyword Prominence It refers to how prominent your keywords are within key elements of your web page. You can say, how close to the beginning of the page’s TITLE, heading, meta DESCRIPTION, or keyword phrase. It is must that you put your important Keyword phrase in the beginning of your Title, Descrip......... etc. Keyword Proximity It can be said as a search term that can made up combination of keywords. It refers to the distance between the search term’s individual keywords.
Keyword proximity: It refers how close two or more keywords are to each other. For example, your key phrase is “cheapest car repairs”. You can write a text like this, “How to find cheapest car repairs in your locality?” Another option, “How to carry out car repairs in cheapest way?” The distance between the keywords (car, repairs and cheapest) is zero in the first option, but it is one word for latter. The smaller the distance, the more relevant it is in search engine’s point of view. For the above example, the first title will rank higher than the latter. Keyword prominence: It is an important factor of on-page optimization. Prominence refers how close a keyword is to the beginning of the analysed page area. So it is often recommended to place the keyword at the very beginning of title, meta description, heading tags and webpage.