You could consider the clear or surface web the "top" and visible layer of the internet, easily accessible using a browser such as Safari, Chrome, Edge, or Firefox. However, the terms dark and deep are sometimes used interchangeably. The deep web is the second layer of the internet, which is not indexed by search engines. Websites and pages in the deep web might include password-protected content, private forums, and personalized resources. Also: Best secure browsers to protect your privacy onlineAs search engine crawlers do not catalog these pages, you would need to know the exact link to access a website in this area of the internet. This could include government services to access your records, health care services, members-only areas, intranets, or corporate resources. The dark web, however, requires special software to access, as explained below.