Dynamic WebPages in Sharepoint

Accepted answer

Refer the following Links : https://support.office.com/en-us/article/Add-dynamic-content-to-a-page-c478f53b-bada-45de-991a-7637e6e94cfc

https://blog.petercarson.ca/Pages/Create-Dynamic-Web-Sites-with-SharePoint-Web-Content-Management.aspx

and the online has consists of lot videos that working with the dynamic websites using sharepoint.

Well there are lots of options to make dynamic web pages.

You can use REST API or JSOM in Sharepoint Online to make your content dynamic.

Else if you want to use OOTB features then connected webparts is also a very good option to make dynamic pages.

There are lots of articles where you can simply make dynamic pages using connected webparts.

https://sharepoint.stackexchange.com/questions/37774/display-dynamic-content-in-a-page-based-on-selected-value-in-list-view-webpart