Many WordPress plugin makes WordPress web development functionality has been greatly expanded, but it is precisely because too many plugins, resulting in difficult to select the desired plug-in. A WordPress plugin for WordPress sites boost function. As you know, WordPress is the most popular content management system (CMS) one, so there will be a lot of wordpress developers to provide support. They developed CMS WordPress plugin function in improving the same time it will not slow down the site. There are many paid and free WordPress plugins, but for most of you people who want to choose which plug is still a problem. So here we have shared an Infographic of some popular free plug-ins required. They are free, but not simple. They can not only improve the function, it can also provide security in 2015 to see these WordPress plugin listed below-