Less known relative url generation rules from Even Faster Web Sites

relative.md

Base:

• http://www.example.com/path/page.html

Relatives:

• http://subdomain.example.com/ //subdomain.example.com
• http://www.example.com/path/page2.html page2.html
• http://www.example.com/index.html /index.html
• http://www.example.com/path2/page.html ../path2/page.html
• http://www.example.com/path/page.html#f=bar #f=bar
• http://www.example.com/path/page.html?q=foo ?q=foo