Caching is a technique that is used to improve the performance and loading speed of a website. When a web page is cached, a copy of the page is stored in the user’s web browser or on the server. This allows the page to be loaded and displayed more quickly on subsequent visits, as the cached copy can be retrieved and displayed without having to retrieve the page from the server again.
In SEO, caching is important because it can improve the performance and loading speed of a website. Search engines, including Google, use page speed as a ranking factor in their algorithms, so a faster-loading website is likely to rank higher in search results than a slower-loading website.
To enable caching on a website, webmasters can use caching plugins or modules, such as the W3 Total Cache plugin for WordPress, or they can add caching directives to the website’s .htaccess file. This tells the web server and the user’s web browser to cache the website’s pages, and to use the cached copies to improve the website’s loading speed.
Overall, caching is a useful technique for improving the performance and loading speed of a website in the context of SEO. By enabling caching on a website, webmasters can improve the website’s loading speed, which may help to improve its search engine ranking and visibility to users.