How admin add the links which is created dynamically ?

Hi all,

How admin add the links which is created dynamically ?

suppose in c-sharpcorner.com website below Technologies how links are created dynamically
.NET 3.0/3.5
.NET 4.0
.NET Best Practices
Active Directory
ADO.NET & Database
AJAX


and below Resources links are static

Please someone give me a solution or a sample project how actually it is done?


Thanks in Advance