When we hear “Directory Submissions”, some of us think it’s an old approach of search engine optimization strategy. Though directory submission strategy is a very old SEO perception, still it has good impact after the Google Panda update. Because many websites have been strike hard by the Google Panda update due to issues with bad content quality. Web directories are only intended for listing websites.So those who landing on a web directory will not expect informative and good content there. That would be the major reason why the directories are Panda secure.