Search engines are internet engines that people use to search for any related topic over the World Wide Web. These searches normally go through all the websites and match the search and therefore it is displayed depending on the rate of the site. Different search engines have different accessibility. For example few search engines have web ads, news feed, weather forecast, etc.

Directories are almost similar but directories are human altered and are changed every now and then. The sites are indexed according to the content description of the site.There are different type of directories for different topics like for business, travels, news, etc.