Can you optimize the website which has pages in millions?

There are several edges of getting a bigger website and are easier to optimize however required to follow the webmaster guideline to get the better result

•   Larger web site with many web content means a lot of content, however, content ought to be helpful and distinctive.
•   Pages with orthogonal and derived content will damage web site ranking.
•   Remove skinny pages content or add helpful content to those pages to form it additional relevant for user info.
•   Remove duplicate pages- take away all the pages those are making duplicate pages
•   Well-structured web site navigation – web site required to be managed and simple to navigate to enhance web site performance.
•   Create a decent link structure – Websites with many pages mean a lot of content, therefore, you'll produce a decent and economical on page link structure to enhance the connection of web site.
•   Target vital keywords in Header or description – continuously target vital keywords in description or header as these are given the most significant term as per program.

Website having millions of page is not a guarantee to rank on top of search result. Ranking of a website depends on several Search Engine Optimization factor.

Hi Friends,
If your website is on WordPress, then it is easy to optimize your pages (no matter how many they are). A quick method is to use a SEO plugin to do the basic optimization for you. THEN for off-page, you do not have to optimize all of your pages; just choose and promote your most important pages only or the pages that you want to drive your traffic to.