{"id":440415,"date":"2022-05-02T00:00:00","date_gmt":"2022-05-01T21:00:00","guid":{"rendered":"https:\/\/en.buradabiliyorum.com\/what-is-a-cdn-and-why-do-companies-use-them\/"},"modified":"2022-05-02T00:00:00","modified_gmt":"2022-05-01T21:00:00","slug":"what-is-a-cdn-and-why-do-companies-use-them","status":"publish","type":"post","link":"https:\/\/buradabiliyorum.com\/en\/what-is-a-cdn-and-why-do-companies-use-them\/","title":{"rendered":"#What Is a CDN, and Why Do Companies Use Them?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a271f97f1e15\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #dd3333;color:#dd3333\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #dd3333;color:#dd3333\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a271f97f1e15\" checked aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/buradabiliyorum.com\/en\/what-is-a-cdn-and-why-do-companies-use-them\/#%E2%80%9CWhat_Is_a_CDN_and_Why_Do_Companies_Use_Them%E2%80%9D\" >&#8220;What Is a CDN, and Why Do Companies Use Them?&#8221;<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/buradabiliyorum.com\/en\/what-is-a-cdn-and-why-do-companies-use-them\/#The_Internet_Is_a_Real_Place\" >The Internet Is a Real Place<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/buradabiliyorum.com\/en\/what-is-a-cdn-and-why-do-companies-use-them\/#How_CDNs_Work\" >How CDNs Work<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/buradabiliyorum.com\/en\/what-is-a-cdn-and-why-do-companies-use-them\/#The_Benefits_of_CDNs_to_Companies\" >The Benefits of CDNs to Companies<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/buradabiliyorum.com\/en\/what-is-a-cdn-and-why-do-companies-use-them\/#Using_a_VPN_Defeats_CDNs_For_Better_or_Worse\" >Using a VPN Defeats CDNs, For Better or Worse<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/buradabiliyorum.com\/en\/what-is-a-cdn-and-why-do-companies-use-them\/#Can_Anyone_Use_a_CDN\" >Can Anyone Use a CDN?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h1><span class=\"ez-toc-section\" id=\"%E2%80%9CWhat_Is_a_CDN_and_Why_Do_Companies_Use_Them%E2%80%9D\"><\/span>&#8220;What Is a CDN, and Why Do Companies Use Them?&#8221;<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<div>\n<figure style=\"width: 1200px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"type:primaryImage size-full wp-image-795009\" data-pagespeed-lazy-srcset=\"https:\/\/www.howtogeek.com\/wp-content\/uploads\/2022\/03\/content-delivery-globe-concept.jpg?width=398&amp;trim=1,1&amp;bg-color=000&amp;pad=1,1 400w, https:\/\/www.howtogeek.com\/wp-content\/uploads\/2022\/03\/content-delivery-globe-concept.jpg?width=1198&amp;trim=1,1&amp;bg-color=000&amp;pad=1,1 1200w\" sizes=\"auto, 400w, 1200w\" data-pagespeed-lazy-src=\"https:\/\/www.howtogeek.com\/wp-content\/uploads\/2022\/03\/content-delivery-globe-concept.jpg?width=1198&amp;trim=1,1&amp;bg-color=000&amp;pad=1,1\" alt=\"Servers connected across a world map.\" width=\"1200\" height=\"675\" src=\"\/pagespeed_static\/1.JiBnMqyl6S.gif\" onload=\"pagespeed.lazyLoadImages.loadIfVisibleAndMaybeBeacon(this);\" onerror=\"this.onerror=null;pagespeed.lazyLoadImages.loadIfVisibleAndMaybeBeacon(this);\"\/><figcaption class=\"wp-caption-text\"><span class=\"type:primaryImage imagecredit\"><a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/www.shutterstock.com\/image-illustration\/cdn-content-delivery-network-distribution-proxy-2113294688\">ArtemisDiana\/Shutterstock.com<\/a><\/span><\/figcaption><\/figure>\n<p>Services you probably use every day, from Netflix to Amazon, rely on something called a\u00a0CDN, or Content Distribution (sometimes \u201cDelivery\u201d) Network. So what are these special computer networks for, and why are they so important?<\/p>\n<h2 role=\"heading\" aria-level=\"2\"><span class=\"ez-toc-section\" id=\"The_Internet_Is_a_Real_Place\"><\/span>The Internet Is a Real Place<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>It\u2019s easy to think of web content such as <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/www.reviewgeek.com\/107638\/netflix-costs-a-ton-of-money-now\/\">Netflix<\/a> steaming episodes or your Google Drive files being \u201cout there\u201d in the cloud. However, every bit of data has to live somewhere on a physical storage device, inside a network-connected computer.<\/p>\n<p>If you try to access a website on the other side of the planet, it will take much longer to load than one on a website hosted in your city or country. The further data packets have to <a href=\"https:\/\/buradabiliyorum.com\/en\/category\/trip-and-travel\/\" data-internallinksmanager029f6b8e52c=\"10\" title=\"Trip &amp; Travel\" target=\"_blank\" rel=\"noopener\">travel<\/a>, the more likely they are to hit a bottleneck as they pass through interconnections or they could simply get lost. In that case, they have to be sent again.<\/p>\n<p>Nuts and bolts of internet architecture aside, the important point to keep in mind is that the closer to you that content is physically hosted, the better your experience will be.<\/p>\n<h2 role=\"heading\" aria-level=\"2\"><span class=\"ez-toc-section\" id=\"How_CDNs_Work\"><\/span>How CDNs Work<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>CDNs involve a set of servers spread across an area. They can be global or local, as long as they physically cover the areas users are most likely to request content from. The content provider will upload content to their server and then it will automatically disseminate that data to the other nodes on the CDN network. CDN servers are usually connected to each other by fast internet backbone connections, so it takes just a few seconds to shift huge amounts of data between them.<\/p>\n<p>CDNs are also smart and efficient. Let\u2019s say you\u2019re the first person in your region to request a specific file from a website. If the file hasn\u2019t yet been replicated to your closest CDN node, it will be copied there from the next node that does have the data.<\/p>\n<p>The local node will then keep the copy in case other local users also want that file. If no one wants the file after a set time, it might be deleted until someone wants it again. This way long-distance bandwidth is only used once, and then only local bandwidth is used. This is both faster and cheaper, so both the host and the user get a good deal.<\/p>\n<h2 role=\"heading\" aria-level=\"2\"><span class=\"ez-toc-section\" id=\"The_Benefits_of_CDNs_to_Companies\"><\/span>The Benefits of CDNs to Companies<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>CDNs do more than give users a good experience. They can save content providers money by preventing excessive use of expensive international bandwidth. CDNs can also accommodate large numbers of users, spreading the load across the network to make sure there\u2019s no denial of service.\u00a0 That also means CDNs provide protections against deliberate Distributed Denial-of-Service (DDoS) attacks.<\/p>\n<p>In addition, CDNs provide a way to limit content to areas where the content is licensed. It\u2019s as easy as limiting locally-hosted content to what\u2019s licensed for that region.<\/p>\n<h2 role=\"heading\" aria-level=\"2\"><span class=\"ez-toc-section\" id=\"Using_a_VPN_Defeats_CDNs_For_Better_or_Worse\"><\/span>Using a VPN Defeats CDNs, For Better or Worse<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>CDNs can go down from time to time, just like any web server. Usually, users will automatically be rerouted to the next closest CDN. If that doesn\u2019t h<a href=\"https:\/\/buradabiliyorum.com\/en\/category\/download-scripts-themes-apps\/\" data-internallinksmanager029f6b8e52c=\"9\" title=\"Download Scripts &amp; Themes &amp; Apps\" target=\"_blank\" rel=\"noopener\">app<\/a>en, you may be hit with an error that shows the service is offline when it\u2019s really just that specific CDN node that\u2019s the problem.<\/p>\n<p>In that situation, you can use a VPN (Virtual Private Network) to make it appear like you\u2019re in a different region. This can be a quick fix for local CDN issues, albeit with a performance hit.<\/p>\n<p>Unfortunately, when you use a VPN to get around geographical content blocks, you\u2019ll lose the benefits of a fast local CDN node. Now you\u2019re getting your content from a distant node, which is then fed through an encrypted VPN tunnel. While many premium VPN services can still offer good bandwidth and usage latency, it\u2019s often the case that the quality of service degrades significantly.<\/p>\n<h2 role=\"heading\" aria-level=\"2\"><span class=\"ez-toc-section\" id=\"Can_Anyone_Use_a_CDN\"><\/span>Can Anyone Use a CDN?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>It\u2019s not just big companies who build their own server networks that can make use of CDN <a href=\"https:\/\/buradabiliyorum.com\/en\/category\/technology\/\" data-internallinksmanager029f6b8e52c=\"4\" title=\"Technology\" target=\"_blank\" rel=\"noopener\">technology<\/a>. Most CDNs belong to specialized companies that provide hosting and include CDN services as part of the hosting fee. Websites like Wix.com have <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/web.dev\/wix\/\">their own CDN solution,<\/a> so if you make a website using that service, a CDN ensures that people all over the world get snappy load times and <a href=\"https:\/\/buradabiliyorum.com\/en\/category\/general\/\" data-internallinksmanager029f6b8e52c=\"3\" title=\"General\" target=\"_blank\" rel=\"noopener\">general<\/a> responsiveness.<\/p>\n<p>Individual users can benefit from CDN technology by using products from companies that rely on them, but if you\u2019re a business user you can approach CDN providers directly too. If you want to build your own CDN, it\u2019s complicated but not impossible. However, it\u2019s about more than simply buying server hardware. You need a CDN software solution and the servers have to be installed in key locations (such as backbone-connected data centers) to make it all work. Custom CDNs are definitely best left to the specialists.<\/p>\n<p><strong>RELATED:<\/strong> <strong><em>How to Set Up Your Own Website the Easy Way<\/em><\/strong><\/p>\n<\/div>\n<p><script>\n setTimeout(function(){\n  !function(f,b,e,v,n,t,s)\n  {if(f.fbq)return;n=f.fbq=function(){n.callMethod?\n  n.callMethod.apply(n,arguments):n.queue.push(arguments)};\n  if(!f._fbq)f._fbq=n;n.push=n;n.loaded=!0;n.version='2.0';\n  n.queue=[];t=b.createElement(e);t.async=!0;\n  t.src=v;s=b.getElementsByTagName(e)[0];\n  s.parentNode.insertBefore(t,s) } (window, document,'script',\n  'https:\/\/connect.facebook.net\/en_US\/fbevents.js');\n   fbq('init', '335401813750447');\n   fbq('track', 'PageView');\n  },3000);\n<\/script><\/p>\n<blockquote><p><strong><span style=\"color: #ff6600;\">If you liked the article, do not forget to share it with your friends. Follow us on\u00a0<span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/news.google.com\/publications\/CAAqBwgKMLG0nwswvr63Aw\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Google News<\/a><\/span>\u00a0too, click on the star and choose us from your favorites.<\/span><\/strong><\/p><\/blockquote>\n<blockquote>\n<p style=\"text-align: center;\">For forums sites go to <span style=\"color: #ff9900;\"><a style=\"color: #ff9900;\" href=\"https:\/\/forum.buradabiliyorum.com\/\" target=\"_blank\" rel=\"noopener\">Forum.BuradaBiliyorum.Com<\/a><\/span><\/strong><\/p>\n<\/blockquote>\n<blockquote>\n<p style=\"text-align: center;\"><strong>If you want to read more like this article, you can visit our <span style=\"color: #ff9900;\"><a style=\"color: #ff9900;\" href=\"https:\/\/en.buradabiliyorum.com\/technology\/\" target=\"_blank\" rel=\"noopener\">Technology category.<\/a><\/span><\/strong><\/p>\n<\/blockquote>\n<p><span style=\"color: black;\"><a style=\"color: #ff9900;\" href=\"https:\/\/www.howtogeek.com\/791388\/what-is-a-cdn\/\" target=\"_blank\" rel=\"noopener\">Source<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#8220;What Is a CDN, and Why Do Companies Use Them?&#8221; ArtemisDiana\/Shutterstock.com Services you probably use every day, from Netflix to Amazon, rely on something called a\u00a0CDN, or Content Distribution (sometimes \u201cDelivery\u201d) Network. So what are these special computer networks for, and why are they so important? The Internet Is a Real Place It\u2019s easy to&#8230;<\/p>\n","protected":false},"author":1,"featured_media":440416,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/www.howtogeek.com\/wp-content\/uploads\/2022\/03\/content-delivery-globe-concept.jpg?height=200p&trim=2,2,2,2","fifu_image_alt":"","footnotes":""},"categories":[18],"tags":[],"class_list":["post-440415","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technology"],"_links":{"self":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/440415","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/comments?post=440415"}],"version-history":[{"count":0,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/440415\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/media\/440416"}],"wp:attachment":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/media?parent=440415"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/categories?post=440415"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/tags?post=440415"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}