{"id":106233,"date":"2026-11-03T09:36:02","date_gmt":"2026-11-03T08:36:02","guid":{"rendered":"https:\/\/firstcolo.net\/glossar\/cdn-content-delivery-network\/"},"modified":"2026-11-03T09:51:00","modified_gmt":"2026-11-03T08:51:00","slug":"cdn-content-delivery-network","status":"publish","type":"glossary","link":"https:\/\/firstcolo.net\/en\/glossary\/cdn-content-delivery-network\/","title":{"rendered":"CDN (Content Delivery Network)"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"106233\" class=\"elementor elementor-106233 elementor-106215\" data-elementor-post-type=\"glossary\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5d91605 e-flex e-con-boxed e-con e-parent\" data-id=\"5d91605\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-84d17b5 e-con-full e-flex e-con e-child\" data-id=\"84d17b5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-f6757f6 e-con-full e-flex e-con e-child\" data-id=\"f6757f6\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-e57469a e-con-full e-flex e-con e-child\" data-id=\"e57469a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7d9e5c9 elementor-widget elementor-widget-heading\" data-id=\"7d9e5c9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">What is a CDN (Content Delivery Network)?<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cc76437 elementor-widget elementor-widget-text-editor\" data-id=\"cc76437\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>A Content Delivery Network (CDN) is a geographically distributed network of servers that delivers digital content as close as possible to the respective user. Instead of retrieving content directly from the original web server, the so-called origin server, with each request, frequently needed data can be delivered via various CDN locations.<\/p><p>This can shorten transmission paths, which can reduce latency, improve loading times, and relieve the origin server. CDNs are therefore used particularly for websites, online shops, streaming services, downloads, and applications with internationally distributed users.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1c9ac0a e-flex e-con-boxed e-con e-parent\" data-id=\"1c9ac0a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9b1a146 elementor-widget elementor-widget-heading\" data-id=\"9b1a146\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How Does a CDN Work?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4f1bb9a elementor-widget elementor-widget-text-editor\" data-id=\"4f1bb9a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>A CDN distributes content to servers at various geographical locations. These are often located at so-called <a href=\"https:\/\/firstcolo.net\/en\/glossary\/pop-point-of-presence\/\">Points of Presence (PoPs)<\/a>.<\/p>\n\n<p>For example, when a user accesses a website, the request is processed via a suitable CDN location. If the requested content is already in the temporary storage there, the so-called <strong>cache<\/strong>, it can be delivered directly.<\/p>\n\n<p>If the content is not yet available there or is no longer current, the CDN must first retrieve it from an upstream cache layer or from the origin infrastructure. Depending on the defined cache rules, the content can then be cached for further requests.<\/p>\n\n<p>The more optimally the CDN location <strong>is network-technically closer to the user<\/strong>, the shorter the transmission paths and thus the lower the latency can be.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0855a48 elementor-widget elementor-widget-heading\" data-id=\"0855a48\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What Are the Advantages of a CDN?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f82a940 elementor-widget elementor-widget-text-editor\" data-id=\"f82a940\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>A Content Delivery Network can offer various advantages, especially with high access numbers or geographically distributed users:<\/p>\n\n<ul>\n  <li><strong>Lower Latency:<\/strong> Content can be delivered via a network-technically more favorably located site.<\/li>\n  <li><strong>Faster Loading Times:<\/strong> Especially static content such as images, videos, JavaScript, or CSS files can be delivered efficiently.<\/li>\n  <li><strong>Origin Server Relief:<\/strong> Cached content does not have to be transferred again from the origin system with every request.<\/li>\n  <li><strong>Better Scalability:<\/strong> Requests can be distributed across a distributed infrastructure.<\/li>\n  <li><strong>Higher Availability:<\/strong> Depending on the architecture, requests can be processed via different servers or locations. However, a CDN does not replace a redundant design of the origin system.<\/li>\n<\/ul>\n\n<p>Many CDN providers also combine their infrastructure with security features such as DDoS protection or Web Application Firewalls. However, these functions are not fundamentally part of every CDN.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-be9bec8 elementor-widget elementor-widget-heading\" data-id=\"be9bec8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">CDN, Edge Server, and PoP: What is the Connection?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c85b084 elementor-widget elementor-widget-text-editor\" data-id=\"c85b084\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>The servers through which a CDN delivers content as close as possible to the user are often referred to as <strong>edge servers<\/strong>. They are located at geographically distributed network locations or Points of Presence.<\/p>\n\n<p>However, how quickly data actually reaches the user does not depend solely on geographical distance. Routing, peering, <a href=\"https:\/\/firstcolo.net\/en\/glossary\/bandwidth\/\">bandwidth<\/a>, and the utilization of the involved networks also play an important role.<\/p>\n\n<p>A powerful <a href=\"https:\/\/firstcolo.net\/en\/glossary\/backbone\/\">backbone<\/a> and good connections between different networks therefore also contribute to short transmission paths and low latencies. <a href=\"https:\/\/firstcolo.net\/en\/glossary\/ip-transit\/\">IP transit<\/a> also plays an important role in connecting and forwarding data between networks.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-54cb957 elementor-widget elementor-widget-heading\" data-id=\"54cb957\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">When is a CDN useful?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fbba532 elementor-widget elementor-widget-text-editor\" data-id=\"fbba532\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>A CDN is particularly useful when content is accessed by many users, from different regions, or with high data volumes.<\/p>\n\n<p>Typical areas of application include:<\/p>\n\n<ul>\n  <li>international websites and online shops,<\/li>\n  <li>streaming services,<\/li>\n  <li>software and file downloads,<\/li>\n  <li>SaaS and web applications, and<\/li>\n  <li>platforms with high or highly fluctuating access numbers.<\/li>\n<\/ul>\n\n<p>Whether a CDN actually provides a significant speed advantage depends on the specific application, the location of the origin server, the geographical distribution of users, and the existing network infrastructure.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ba4ea49 elementor-widget elementor-widget-heading\" data-id=\"ba4ea49\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Frequently Asked Questions about Content Delivery Networks<\/h2>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b82ac4c e-con-full e-flex e-con e-child\" data-id=\"b82ac4c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b2090a4 elementor-widget elementor-widget-n-accordion\" data-id=\"b2090a4\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1860\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1860\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><h3 class=\"e-n-accordion-item-title-text\"> What does CDN mean? <\/h3><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"40\" zoomAndPan=\"magnify\" viewBox=\"0 0 30 30.000001\" height=\"40\" preserveAspectRatio=\"xMidYMid meet\"><defs><clipPath id=\"1885aee520\"><path d=\"M 0.484375 0 L 29.515625 0 L 29.515625 29.03125 L 0.484375 29.03125 Z M 0.484375 0 \" clip-rule=\"nonzero\"><\/path><\/clipPath><clipPath id=\"64ed1f4570\"><path d=\"M 0.484375 0 L 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24.105469 25.265625 24.78125 C 24.589844 25.453125 23.855469 26.054688 23.066406 26.585938 C 22.273438 27.117188 21.4375 27.5625 20.554688 27.925781 C 19.675781 28.292969 18.765625 28.566406 17.832031 28.753906 C 16.898438 28.9375 15.953125 29.03125 15 29.03125 C 14.046875 29.03125 13.101562 28.9375 12.167969 28.753906 C 11.234375 28.566406 10.324219 28.292969 9.445312 27.925781 C 8.5625 27.5625 7.726562 27.117188 6.933594 26.585938 C 6.144531 26.054688 5.410156 25.453125 4.734375 24.78125 C 4.0625 24.105469 3.460938 23.375 2.929688 22.582031 C 2.402344 21.789062 1.953125 20.953125 1.589844 20.070312 C 1.222656 19.191406 0.949219 18.28125 0.761719 17.347656 C 0.578125 16.414062 0.484375 15.46875 0.484375 14.515625 C 0.484375 13.5625 0.578125 12.617188 0.761719 11.683594 C 0.949219 10.75 1.222656 9.839844 1.589844 8.960938 C 1.953125 8.082031 2.402344 7.242188 2.929688 6.453125 C 3.460938 5.660156 4.0625 4.925781 4.734375 4.25 C 5.410156 3.578125 6.144531 2.976562 6.933594 2.445312 C 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data-e-type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1860\" class=\"elementor-element elementor-element-09828d7 e-flex e-con-boxed e-con e-child\" data-id=\"09828d7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-63ed2f1 elementor-widget elementor-widget-text-editor\" data-id=\"63ed2f1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>CDN stands for <strong>Content Delivery Network<\/strong>. It refers to a network of geographically distributed servers that can deliver digital content as close as possible to the respective user.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1861\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1861\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><h3 class=\"e-n-accordion-item-title-text\"> What is a CDN server? <\/h3><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"40\" zoomAndPan=\"magnify\" viewBox=\"0 0 30 30.000001\" height=\"40\" preserveAspectRatio=\"xMidYMid meet\"><defs><clipPath id=\"1885aee520\"><path d=\"M 0.484375 0 L 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fill-rule=\"nonzero\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1861\" class=\"elementor-element elementor-element-3713e43 e-con-full e-flex e-con e-child\" data-id=\"3713e43\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1861\" class=\"elementor-element elementor-element-658bc34 e-flex e-con-boxed e-con e-child\" data-id=\"658bc34\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4ec52ea elementor-widget elementor-widget-text-editor\" data-id=\"4ec52ea\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>A CDN server is a server within a Content Delivery Network. It can cache content and deliver it to users without every request having to be forwarded directly to the origin server.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<script type=\"application\/ld+json\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does CDN mean?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"CDN stands for Content Delivery Network. It refers to a network of geographically distributed servers that can deliver digital content as close as possible to the respective user.\"}},{\"@type\":\"Question\",\"name\":\"What is a CDN server?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A CDN server is a server within a Content Delivery Network. It can cache content and deliver it to users without every request having to be forwarded directly to the origin server.\"}}]}<\/script>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8fe05aa elementor-widget elementor-widget-n-accordion\" data-id=\"8fe05aa\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. 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data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1500\" class=\"elementor-element elementor-element-4ff9396 e-flex e-con-boxed e-con e-child\" data-id=\"4ff9396\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a091233 elementor-widget elementor-widget-text-editor\" data-id=\"a091233\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>A CDN can reduce a website&#8217;s loading time, especially if users are far from the original server. However, the actual effect depends, among other things, on the website, cache configuration, routing, and the existing network infrastructure.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1501\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1501\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><h3 class=\"e-n-accordion-item-title-text\"> What is the difference between CDN and origin server? <\/h3><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"40\" zoomAndPan=\"magnify\" viewBox=\"0 0 30 30.000001\" height=\"40\" preserveAspectRatio=\"xMidYMid meet\"><defs><clipPath 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14.515625 C 29.515625 15.46875 29.421875 16.414062 29.238281 17.347656 C 29.050781 18.28125 28.777344 19.191406 28.410156 20.070312 C 28.046875 20.953125 27.597656 21.789062 27.070312 22.582031 C 26.539062 23.375 25.9375 24.105469 25.265625 24.78125 C 24.589844 25.453125 23.855469 26.054688 23.066406 26.585938 C 22.273438 27.117188 21.4375 27.5625 20.554688 27.925781 C 19.675781 28.292969 18.765625 28.566406 17.832031 28.753906 C 16.898438 28.9375 15.953125 29.03125 15 29.03125 C 14.046875 29.03125 13.101562 28.9375 12.167969 28.753906 C 11.234375 28.566406 10.324219 28.292969 9.445312 27.925781 C 8.5625 27.5625 7.726562 27.117188 6.933594 26.585938 C 6.144531 26.054688 5.410156 25.453125 4.734375 24.78125 C 4.0625 24.105469 3.460938 23.375 2.929688 22.582031 C 2.402344 21.789062 1.953125 20.953125 1.589844 20.070312 C 1.222656 19.191406 0.949219 18.28125 0.761719 17.347656 C 0.578125 16.414062 0.484375 15.46875 0.484375 14.515625 C 0.484375 13.5625 0.578125 12.617188 0.761719 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fill-rule=\"nonzero\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1501\" class=\"elementor-element elementor-element-e120ad1 e-con-full e-flex e-con e-child\" data-id=\"e120ad1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1501\" class=\"elementor-element elementor-element-ea1c7c9 e-flex e-con-boxed e-con e-child\" data-id=\"ea1c7c9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bb93734 elementor-widget elementor-widget-text-editor\" data-id=\"bb93734\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>The <strong>origin server<\/strong> is the original source of a website or application. The CDN complements this server with a distributed infrastructure and can cache and deliver suitable content at various locations.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a2d443f e-con-full e-flex e-con e-child\" data-id=\"a2d443f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8e53735 elementor-widget elementor-widget-button\" data-id=\"8e53735\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Homepage<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e883524 elementor-widget elementor-widget-button\" data-id=\"e883524\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/firstcolo.net\/en\/knowledge\/glossary\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Glossary<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>What is a CDN (Content Delivery Network)? A Content Delivery Network (CDN) is a geographically distributed network of servers that delivers digital content as close as possible to the respective user. Instead of retrieving content directly from the original web server, the so-called origin server, with each request, frequently needed data can be delivered via [&hellip;]<\/p>\n","protected":false},"author":43,"featured_media":97249,"menu_order":0,"template":"","meta":{"content-type":"","footnotes":""},"glossary-categories":[],"glossary-tags":[],"class_list":["post-106233","glossary","type-glossary","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.8 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>CDN (Content Delivery Network): Definition &amp; Function<\/title>\n<meta name=\"description\" content=\"What is a CDN? 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