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How Do URLs Work?

2017-06-16
if you've ever you know used the internet which you've probably done considering you're watching this video you've almost certainly typed in a Uniform Resource locator or URL to get where you're going online but while some are simple like LAN effective ska more whitehouse.gov full-length URLs can look awfully confusing why do we need HTTP in there and what are all those amber sands question marks and pounder excuse me hash signs doing it's a good question let's demystify the ingredients of your typical web address starting with the beginning of the scheme the most familiar will probably be HTTP which stands for hypertext Transfer Protocol the set of commands that handles the transmission of webpages but there are other schemes as well if you've ever clicked on an email address you might notice that the link starts with mail to a scheme that tells the browser to open up your email clients you can fire off a message there's also FTP or File Transfer Protocol which is used to send well files as you probably guess to and from remote servers and even IRC which allows you to connect directly to a chatroom the next part of a typical URL is usually a domain name the name of a web site like amazon.com or Microsoft calm v.com net or org at the end is called a top-level domain or TLD which you can think of as the main categories that sort every web site on the Internet and help route requests through a certain group of servers to get you to the correct website typically com will indicate a commercial web site of some sort org indicates a nonprofit organization and there are plenty of TLDs that indicate sites associated with a certain country like US or UK more recently country based TLDs have been used in so-called domain hacks like YouTube dot B II which allows links to YouTube videos to be shorter this doesn't mean however that these site has anything to do with the kingdom of Belgium much of the rest of the URL the part that is separated by slashes indicates the past or the specific location of page or other piece of content on the specific website each flash indicates another subfolder kind of like how files on your computer storage drive are organized as for question marks these make a URL hard to read but their existence actually makes a lot of sense they indicate a query defined by the user for example if you type a search into Google you'll see your string in the results page URL after the question mark symbol which tells the server to execute that search if a URL has multiple queries these will be separated by Ambersons showing that the browser is relaying multiple pieces of information to the website such as what kind of browser you're using or whether you were referred to a page from a certain site as you've ever clicked a link just to have it send you somewhere else on the same page that was probably done through a fragment indicated by a pound sign fragments can mark specific spots on a web page but can also indicate other things like the folder you're looking at in Gmail URLs can also incorporate a few rarely seen variations for example if you're trying to access a website that requires a login and password some sites will allow you to just enter the username and password in the URL directly logging you in automatically convenient if you need to quickly share a link to a protected site but not the best thing for security as your browser history will show your password in plain text and if you've ever visited a site based in a country that doesn't use Latin characters like Greece or China you might see a really weird domain name that includes X n dot this means that the original characters were converted into a domain name compatible with the DNS so computers worldwide can view these pages but if the path after the domain name contains special characters you'll probably see these displayed with percent-encoding which is also sometimes used for other symbols for example % 24 corresponds to a dollar sign so I hope this helped unpack the mystifying stuff you see in web addresses now if you'll excuse me I've got to get back to my IRC discussion on whether dot ninja or dot meme are actually good top-level domains I think they are but some other unscrupulous people disagree total Bayer VPN lets you tunnel to up to 20 different countries allowing you to browse the Internet and use online services as if you are in that other country they have easy-to-use apps for iOS Android PC and Mac they also have a Chrome extension just choose a country in the app turn title bear on and watch as your bear tunnels your internet connection to your new location when you do turn tunnel there on two things happen your connection gets encrypted with AES 256-bit encryption and your public IP address gets switched so you show up as if you're in that country they also have a top rated privacy policy and do not log user activity you can try out tunnel Bayer VPN with 500 megabytes of free data and no credit card required if you choose to get a year of unlimited data you can save 10% by going to tunnel bear comm slash Linus thanks for watching guys if you liked this video like it if you just like this video dislike it get subscribed and hit the little bell to see all of the tech cookie videos that we have surgical channel super fun because they are fun and super and I'm going to go now so that Alex can walk walk walk by house go ahead there we go best part of the video 10 out of 10 would do it again alright guys
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