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Concept of waiting for load of website.

Website caching is a technique used to improve site performance by storing copies of your site’s pages, images, and other content. When a user visits your site, these cached copies are served, reducing the need to generate content dynamically from the server every time. This significantly decreases page load times and improves overall user experience.

There are different types of caching, including browser caching, server-side caching, and content delivery network (CDN) caching. Browser caching stores static files on a user’s local device, allowing for quicker access on subsequent visits. Server-side caching creates static versions of your site’s dynamic pages, reducing the server’s workload. CDNs distribute your site’s content across multiple servers worldwide, ensuring faster delivery to users regardless of their location.

Browser caching involves setting expiry dates for static resources like images, stylesheets, and JavaScript files. This means that these resources are only downloaded once and then stored locally on the user’s device for a specified period. When the user revisits your site, the browser loads these resources from the local cache instead of downloading them again, speeding up page load times.

Server-side caching generates and stores static versions of dynamic pages. When a page is requested, the cached version is served, bypassing the need to run database queries and process server-side scripts. This reduces server load and response time, making your site faster and more efficient.

CDNs take caching to the next level by storing copies of your site’s content on multiple servers around the world. When a user requests a page, the CDN serves the content from the nearest server, reducing latency and improving load times. CDNs also provide additional benefits such as increased security and better handling of traffic spikes.

By implementing caching, you not only speed up your website but also reduce server load and bandwidth usage. This can lead to cost savings and improved site reliability, making caching an essential practice for any website owner. Faster websites provide better user experiences, leading to higher engagement, lower bounce rates, and improved SEO rankings.