# Deep web: what it is and how it works · Zorraquino
> The deep web is the part of the web search engines do not index, such as private pages, databases or content behind a login.
URL: https://www.zorraquino.com/en/dictionary/internet/deep-web.html

# Deep web

The deep web is the part of the web that conventional search engines do not index, such as pages behind a login, searchable databases or content blocked from crawling

What it means, how it is used and where it comes up, with its related concepts.

[The whole glossary](https://www.zorraquino.com/en/dictionary)

## What it is and how it works

It includes very ordinary content: webmail, online banking, intranets, internal search results, documents in cloud services and pages that their owners exclude from search engines. Much of what people use online every day belongs to it.

It should not be confused with the darknet or dark web, a much smaller portion reachable only with specific software such as Tor, associated with anonymity and, in part, with illegal activity. Figures circulating about its size are estimates that are hard to verify.

Also known as

invisible web, hidden web

Topics

[Technology and data](https://www.zorraquino.com/en/dictionary/category/tecnologia-y-datos)

## Related concepts

- [Darknet](https://www.zorraquino.com/en/dictionary/internet/darknet.html)
- [Search engine](https://www.zorraquino.com/en/dictionary/internet/search-engine.html)
- [Indexability](https://www.zorraquino.com/en/dictionary/digital-marketing/indexability.html)