Wireframes:

https://drive.google.com/file/d/1cTUzSDmOSvRy85doBtjIuZwziEMzPV8b/view?usp=sharing

Flowchart Maker & Online Diagram Software

Tags Distribution

Popularity tag distribution according to stackoverflow.com

Tag distribution per tagging systems: (A) manual assignment, (B) automatic assignment

Recommendations

How Netflix's Recommendations System Works

Netflix Research

To Be Continued

User Profiling

References for Bootstrap User Profiling