We take a look at what happens when you fetch a page using HTTP, discuss the importance of DNS, and run through a command-line example of a GET and a HEAD request.
On this page of the site you can watch the video online Web crawling 4: inside an HTTP request with a duration of hours minute second in good quality, which was uploaded by the user Victor Lavrenko 19 January 2014, share the link with friends and acquaintances, this video has already been watched 2,360 times on youtube and it was liked by 10 viewers. Enjoy your viewing!