From the SEO point of view, for a dynamic website, special additional SEO stuff has to be implemented.
– Larger website with millions of Web Pages mean lots of content but content should be useful and unique. Search engine always prefers to show the most useful content.
– Remove duplicate pages- remove all the pages those are creating duplicate pages.
– Structured website navigation – Website needed to be well managed and easy to navigate to improve website performance.
– Good Internal link structure – Websites with millions of pages mean lots of content so you can create a good and efficient on page link structure to improve the relevancy of a website.
– Generation of dynamic title and description
– Dynamic XML sitemap generation