Most blogs make this difficult by not having an easily-discoverable link back to the main site. They link back to the root of the blog and maybe have a link bac

Most blogs make this difficult by not having an easily-discoverable link back to the main site. They link back to the root of the blog and maybe have a link back to the main site hidden away somewhere, which takes more time to find than editing the URL by hand. It's frustrating but could be solved regardless or sub-domain/sub-directory preference.