The number of Internet users is increasing steadily, as is the number of active websites. According to Netcraft’s January 2017 Web Server Survey, there are 1,800,047,111 billion websites.ⁱ Of course, most of these websites belong to the surface—ordinary—Internet. The number of pages on these websites changes continually according to many factors. Google Inside Search estimates that there are more
... [Show full abstract] than 130 trillion web pages discovered by Google; about 50 billion of them have been included in Google’s searchable index as of October 2017. ⁱⁱ Do not forget that Google—and similar search engines—cannot index the entire Web, as pages that belong to the deep/dark web cannot be discovered by typical search engines.