How can i save subpage to work well with SEO? I observe 3 ways 1-www.domain.com/subfolder/subpage saved as index.html so,it's link will be www.domain.com/subfolder/ 2-www.domain.com/subfolder/subpage saved as any name so,it's link will be www.www.domain.com/subfolder/any-name 3-www.domain.com/subfolder/subpage saved as default so,it's link will be www.www.domain.com/subfolder/ Please,it's very important for me