Deep Web

The set of web pages on the World Wide Web that are not indexed by search engines but that may be viewable in a standard Web browser (as by logging in to a website)

The deep web is everything that is not indexed by search engines, including pages behind paywalls, password-protected information, or closed intranets. Personal information that only you can access though your bank's website, for example, is part of the deep web.

Sanskrit equivalent

अननुक्रमितजालम्