What matters now is the demand for Web Analysis for relevant key words. The larger the volume of demand, the better.
In itself, each marketing niche is specific. The selection of key cities must be carefully and carefully selected. Talking about keywords, there should always be not one, but a list of cities that describe the subject matter of the site.
If you want to make an example, you can see an online store that sells, say, luminaries, you should not just concentrate on the word "Champions" and also use a dedicated product seller by looking for generic terms to classify all niches. This may be an unwanted task, but in the hands of professionals - you can rest assured that you will need results.
Users searching for information on Google have provided only one word, and specific phrases have been used to describe what they want to read or buy. Focus should always be on this, with what you need to see.