Akismet is a spam protection plugin for WordPress that protects your website from spam comments, trackbacks and contact form submissions. It uses advanced algorithms to detect and filter out spam and is very effective at blocking spam comments and other unwanted content.
To use Akismet, you need to sign up for an API key, which you can get for free on the Akismet website. Once you have an API key, you can install the Akismet plugin on your WordPress website and enter your key to activate spam protection.
Akismet is a popular choice for spam protection on WordPress websites because it is very effective and easy to use. It is also regularly updated and supported by the developers.