Plugins are an effective way to add new functionality to your WordPress site. If some functionality is already inbuilt into WordPress then you don't need to use any plugin for that functionality. Only when you find that you need to add a new functionality missing in WordPress when you use a new plugin. There are numerous WordPress plugins available for different taskspaid as well as are some of the most useful WordPress plugins which are useful for performing different useful tasks in WordPress are Jetpack It is used for Site stats and it is mostly used for Site analytics but it has other built in features such as social media posting site accelerator SEO tools. Yoast SEO Mostmonly used WordPress plugin for SEO .It has paid and free version has most of the required features. Google XML Sitemaps Sitemap is a way of organising Generator helps generate XML Sitemaps is a sitemap generate which requires very less customisation and is very easy to use for even non programmers. W3 Total Cache One of the important aspects of any website is how fast it are different optimisations you can do for this one of the things which makes webiste fast is a caching Total Cache is a very popular WordPress pluginthough it is more suitable for advanced users as there are customisations which you need to do. WP-Optimize There is lot of space in your WordPress database which is not required and is just an of the things which are responsible for unwanted space are Revisions of posts Spams Unnecessary Comments WP-Optimize is used for cleaning up the database for removing uwanted space. Redirection When using a WordPress site for a long period of time it ismon that webpages and other resources such as s is also a determining factor in the speed of a such plugin which helps in reducing the size of the images is Smush . MailPoet Newsletters If you have a list of subscribers you might need to send them plugin helps to send newsletters.