Changes in the amount of content ?!
In case it is an e-commerce site, the title, description, images, for now have to be defined in a very compact and general way, but so the search engine’s focus with the trend of quantity of information and demand of the users for more content can be directed to define what is wanted.
We would say, any keyword that has the niche search. It is one of the resources that is also quite simple in terms of SEO. Then it is good to finish the description of the page, the blog and the product in question with more and precise details. Depending on the situation or content, it maybe also important to ask the editor in some cases.