Domain-based content aggregation

The scheme is as following:   subcat2.subcat1.category.website.tld.

website.tld: contains all content chronologically

category.website.tld: contains only 'category' content

subcat1.category.website.tld: contains only subcat1 portion of above

subcat2.subcat1.category.website.tld: contains only subcat2 portion of the above.

Advantages: provides a scalable tree-like content structure with intuitive addressing and easy access(bookmarking).

Disadvantages: Requires maintaining lots of sub-domains.