CDN

A CDN (Content Delivery Network) is a network of servers in many locations worldwide that hold copies (caches) of your website's content. When someone visits your site, images, scripts, and files are delivered from the geographically nearest server ✕ A server is a powerful computer that provides data or services to other devices — for example serving a website or storing your cloud files. More in the glossary → — noticeably cutting load time, especially for international visitors. A CDN also offloads your main server and often protects against DDoS ✕ In a DDoS attack, many devices flood a server with requests at once until it's overloaded and becomes unreachable. More in the glossary → attacks. Many hosts include a CDN or offer it as an option. More in the best web hosting comparison.