Pagination is implemented for instances when you need to break content into multiple pages. This is especially useful for product descriptions used in eCommerce websites or a blog post series. Tying your content together will signal the search engine to think that your site is optimized enough to allow them to assign indexing properties to these set of pages.
Keyword research is an important part of SEO, because it will help you to understand the interests of your customers. Based on this knowledge, you’re able to identify keyword opportunities in your industry that will help you to write successful online content. By doing your keyword research the right way, your able to have a positive impact on your content performance. Translating into higher rankings, better content engagement and a higher conversion rate.
However, this does not mean you cannot topple them. It just takes more of an effort in terms of content as your page has to build the trust. That is why you will see the "Google dance" happening for fresh content from a site that is not yet trusted or is not very authoritative. Google gives your page a chance and measures user click-throughs when it pushes you to certain spots in the SERPs and then measures user engagement levels when the traffic hit your site through those positions in the SERPs.