![]() So currently, when you do a research on a classic search engine, you have access to these types of pages. But over time, these engines manage to understand other types of files such as pdf, word documents, etc. Search engines only understood pages written in html for a while, so only these pages were indexed. To achieve this, it tries to find all possible web pages and then tries to understand their content so that it can offer them to the user when the user looks for something based on keywords. By definition, a search engine has a database of pages it has referenced and it looks for relevant pages asked by the user. It is all the web pages referenced by the usual search engines such as Yahoo, Google, Qwant, Bing etc. The visible web is the web that the average user knows, the one he is browsing. ![]() Since the two are opposed, explaining one allows to understand the other. The deep web, so-called “hidden” part of the internet, is to be opposed with the visible web. So here are a few lines to start explaining in five minutes what these terms imply. This article is not intended to make a study nor an inventory, but rather to get a basic understanding of these terms. I’m often asked if I’ve ever been on the deep web, the dark web, or darknets without really understanding what it was, what were the differences and so on. ![]() This is a very small article that allows to put things back in order. ![]()
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