Build a blogging website with proper SEO architecture

Need to build a website - similar to [login to view URL] (please use google translate to see the content in english). Below are the modules required 1. Website displaying blogs posted by contributors - Menu with different sections such as health, fitness etc (sections can be added later also from Admin CMS) - Please follow the layout as in alodokter.com. Use different colors and font to show slight difference - Blog Article should show blog title, blog text, blog images, videos, contributor details, blog share options (all social platforms, email, watsapp) and "Ask a doctor" section where registered users can post comments. - Search option on the site 2. Signup for users to register as contributor/reader Contributor signup fields - First Name, Last Name, Email, Password, Profile picture, Professional summary, Gender, Age (optional), City, User signup fields - First Name, Last Name, Email, Password Gender, Age (optional), City Default signup & Login using Google / Facebook for both contributor and user 3. CMS for contributor - Post blog section To post / edit / delete blogs with text, images, videos - Tag blogs to menu sections on the site (10 menu sections - health, fitness etc) - To view comments on his blogs and respond 4. CMS for admin - Blog section Name of the blog, contributor details, blog content, edit / delete option, respective blog comments with delete option, # of blog views, # of blog shares - Menu section Name of menu Item, # of blogs tagged under this menu, links to all blogs tagged under this menu item - Add new menu item, Edit / Hide / Delete new menu item. If menu item deleted all respective blogs and the respective content will be automatically deleted - User data Name of user, date of registration, mode of registration, all user content - Contributor section Name of contributor, profile data, delete contributor option, delete contributor content option 5. SEO - All SEO related stuff to be considered during creation of the website