{"id":47136,"date":"2024-02-16T12:49:34","date_gmt":"2024-02-16T16:49:34","guid":{"rendered":"https:\/\/www.andysowards.com\/blog\/?p=47136"},"modified":"2024-02-16T12:49:36","modified_gmt":"2024-02-16T16:49:36","slug":"understanding-cdns-how-websites-stay-accessible-throughout-the-world","status":"publish","type":"post","link":"https:\/\/www.andysowards.com\/blog\/2024\/understanding-cdns-how-websites-stay-accessible-throughout-the-world\/","title":{"rendered":"Understanding CDNs: How Websites Stay Accessible Throughout the World"},"content":{"rendered":"\n<p>Today, the majority of traffic online passes through content delivery networks (CDNs) to get to their destination. While every website is hosted from a server, load times increase if that server is far away from you and your device. This is where CDNs come in, distributing content across the world and making everybody\u2019s online experience more convenient.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>How CDNs Operate<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/infinigeek.com\/why-cdn-services-are-increasingly-popular\/\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" data-src=\"https:\/\/infinigeek.com\/assets\/Boost-Your-Website-with-Content-Delivery-Networks.jpg\" alt=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" \/><\/a><figcaption class=\"wp-element-caption\"><em>Why CDN Services Are Increasingly Popular<\/em><\/figcaption><\/figure>\n\n\n\n<p>Every website online is hosted from somewhere, typically a well-maintained server room where webmasters can rent space to host their sites. Larger companies also use their own server rooms, to protect data and have complete control over their hosting solutions. No matter what the case is, these server rooms can be continents away depending on where you are in the world.<\/p>\n\n\n\n<p>More businesses than ever are going online, with entire industries relying on fast and convenient internet connections nowadays. For example, on-demand streaming and iGaming conduct business from their websites, which often cater\u00a0to international audiences. Their content is delivered through CDNs, especially when that content is live and latency delays become more impactful. For example, big iGaming sites feature live casino games where this could become an issue,\u00a0if we didn&#8217;t use CDNs. Take\u00a0<a href=\"https:\/\/games.paddypower.com\/c\/blackjack\" target=\"_blank\" rel=\"noreferrer noopener\">blackjack at Paddy Power<\/a>, where\u00a0lobbies full of\u00a0players can play the game live with a human dealer host, and all interactions take place online. Since streaming demands more data than a typical webpage, many livestreams like this\u00a0cut down on latency by filtering through a CDN arrangement. For every live service, the user being closer to a data center makes their experience better, faster, and more responsive. Thanks to CDNs, the average user is never too far away from one.<\/p>\n\n\n\n<p>Across the world, there are many networks of server rooms dedicated to content delivery. These are content caches, which contain copies of internet pages with a focus on data-heavy assets like images, videos, and&nbsp;the basic HTML structure of the page. This includes JavaScript files, which can hinder page speed if they take longer to load.<\/p>\n\n\n\n<iframe width=\"560\" height=\"315\" data-src=\"https:\/\/www.youtube.com\/embed\/eDd6Y6Z50Mg?si=fvZY2tzHGteZnL_o\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" data-load-mode=\"1\"><\/iframe>\n\n\n\n<p>In short, they host copies of online content locally. Then, when somebody in South America tries to access a site in Europe, the site will reach them from a data center in the same continent.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Benefits of Using CDNs<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.howtogeek.com\/791388\/what-is-a-cdn\/\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" width=\"1024\" height=\"576\" data-src=\"https:\/\/www.andysowards.com\/blog\/assets\/What-Is-a-CDN-and-Why-Do-Companies-Use-Them-1024x576.webp\" alt=\"\" class=\"wp-image-47138 lazyload\" data-srcset=\"https:\/\/www.andysowards.com\/blog\/assets\/What-Is-a-CDN-and-Why-Do-Companies-Use-Them-1024x576.webp 1024w, https:\/\/www.andysowards.com\/blog\/assets\/What-Is-a-CDN-and-Why-Do-Companies-Use-Them-768x432.webp 768w, https:\/\/www.andysowards.com\/blog\/assets\/What-Is-a-CDN-and-Why-Do-Companies-Use-Them.webp 1140w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/576;\" \/><\/a><figcaption class=\"wp-element-caption\"><em>What Is a CDN, and Why Do Companies Use Them?<\/em><\/figcaption><\/figure>\n\n\n\n<p>Most hosting solutions already come with CDN integration, if not the option to use it once enough traffic hits your site. Cloudflare and Amazon CloudFront (as part of AWS) are some of the biggest names in CDN management, so their services are used by both large and small websites. A <a href=\"https:\/\/www.cloudflare.com\/network\/\" target=\"_blank\" rel=\"noreferrer noopener\">map on Cloudflare\u2019s website<\/a> shows every data center they use to manage worldwide web traffic, and they are just one service out of many.<\/p>\n\n\n\n<p>There are several good reasons to use a CDN but, since using them has become the norm, everybody benefits from them whether they know it or not. The most obvious benefit to using a CDN is on the user\u2019s side. It\u2019s easier to connect with a data center 30 miles away than the host 3,000 miles away, and the result is faster loading speeds for the pages being accessed.<\/p>\n\n\n\n<p>Site owners don\u2019t want their visitors to experience agonizingly slow load times either, especially when it worsens the bounce rate. A poor bounce rate (where visitors leave a site before it loads properly) can harm the site\u2019s search performance. A CDN is just one way that site owners can improve loading speeds, with others <a href=\"https:\/\/blog.hubspot.com\/marketing\/how-to-reduce-your-websites-page-speed\" target=\"_blank\" rel=\"noreferrer noopener\">explained here by HubSpot<\/a>.<\/p>\n\n\n\n<p>CDNs are also a common-sense way to sidestep other site hosting issues. Host services often charge based on bandwidth so, if cached CDN data is served to international visitors, the host server is sending out less data. This means the site owner pays less to host the website. Likewise, it means the host server won\u2019t be overwhelmed by traffic since the whole world isn\u2019t fighting to access that one server, they are accessing multiple CDNs instead. This is an inherent security benefit, as traffic spikes can be weaponized in DDoS attacks, and hardware failures on the host\u2019s side won\u2019t immediately down the whole website globally.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Today, the majority of traffic online passes through content delivery networks (CDNs) to get to their destination. While every website is hosted from a server, load times increase if that<\/p>\n","protected":false},"author":1,"featured_media":47138,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[109,1,107],"tags":[16258,5891,6435,16256,16257,16255,9389,988,70,16260,118,16259,5879,21,115,5890,848,4419,12932,10330,677],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Understanding CDNs: How Websites Stay Accessible Throughout the World<\/title>\n<meta name=\"description\" content=\"Today, the majority of traffic online passes through content delivery networks (CDNs) to get to their destination. 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While every website is hosted from a\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.andysowards.com\/blog\/2024\/understanding-cdns-how-websites-stay-accessible-throughout-the-world\/\" \/>\n<meta property=\"og:site_name\" content=\"Daily Business Resources for Entrepreneurs, Web Designers, &amp; Creatives by Andy Sowards\" \/>\n<meta property=\"article:publisher\" content=\"http:\/\/facebook.com\/andysowardsfan\" \/>\n<meta property=\"article:published_time\" content=\"2024-02-16T16:49:34+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-02-16T16:49:36+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.andysowards.com\/blog\/assets\/What-Is-a-CDN-and-Why-Do-Companies-Use-Them.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1140\" \/>\n\t<meta property=\"og:image:height\" content=\"641\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Andy Sowards\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@andysowards\" \/>\n<meta name=\"twitter:site\" content=\"@andysowards\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Andy Sowards\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.andysowards.com\/blog\/2024\/understanding-cdns-how-websites-stay-accessible-throughout-the-world\/\",\"url\":\"https:\/\/www.andysowards.com\/blog\/2024\/understanding-cdns-how-websites-stay-accessible-throughout-the-world\/\",\"name\":\"Understanding CDNs: How Websites Stay Accessible Throughout the World\",\"isPartOf\":{\"@id\":\"https:\/\/www.andysowards.com\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.andysowards.com\/blog\/2024\/understanding-cdns-how-websites-stay-accessible-throughout-the-world\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.andysowards.com\/blog\/2024\/understanding-cdns-how-websites-stay-accessible-throughout-the-world\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.andysowards.com\/blog\/assets\/What-Is-a-CDN-and-Why-Do-Companies-Use-Them.webp\",\"datePublished\":\"2024-02-16T16:49:34+00:00\",\"dateModified\":\"2024-02-16T16:49:36+00:00\",\"author\":{\"@id\":\"https:\/\/www.andysowards.com\/blog\/#\/schema\/person\/2e0f72bd7f6497fd883e2bd67d9f3415\"},\"description\":\"Today, the majority of traffic online passes through content delivery networks (CDNs) to get to their destination. 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