These are the best SEO, social media, comment, security, back up WordPress plugins to build a better WordPress blog in 2016.
Update : This post was the most popular post in last year. So I updated this post in 2016 adding more WordPress plugins.
Here I list down only very useful WordPress plugins. Some of the plugins are not much popular, but those are very useful for doing some specific tasks.
I will add new WordPress plugins to this posts every month.
Best WordPress SEO Plugins
Yoast : The best SEO plugin for WordPress blogs. Most popular blogs like Mashable, The Next Web, Search Engine Land use this plugin.
Don’t use both Yoast and All on One plugins for the same blog.
Google XML Sitemaps : Yoast plugin also has sitemap function. You can disable that function and use this plugin because you have more features in this plugin.
Best Security and back-up WordPress Plugins
W3 Total Cache : W3 Total Cache is the best WordPress performance optimization plugin. it is recommended by many popular web hosts like Hostgator, Dreamhost, etc.
iThemes Security : You should pay attention about the security of your blog. Give half of the security responsibility for iThemes Security plugin.
BackWPup : You need to back up your WordPress blog at least per week. BackWPup plugin create backups fo your blog. You can download backups of you can automatically upload back up file to many free hosting services like Dropbox.
Best Social Media WordPress Plugins
Floating Social Bar : The best WordPress resources blog called WPbeginner recommends this plugin. This plugins supports only major social networks.
Mashshare : Mashshare is a very eye-catching social sharing wordpress plugin. It has pro version and a few addons also.
WP Social Sharing : WP Social sharing provides very attractive responsive social share buttons for major social networks. This is a demo of WP Social Sharing plugin.
Add Link to Facebook : This plugin automatically adds links to posts that are being published to your Facebook wall or pages.
WP to Twitter : This plugin automatically adds links to posts that are being published to your Twitter account.
Best WordPress Comment Plugins
Disqus Comment System : You can replace WordPress comment system with Disqus comment system. You can import existing comments also. Many popular bloggers use this plugin and it helps you to prevent from spam comments.
CommentLuv : Blog comment count will be increased when you start to use this plugin. That’s why many blogging related niche bloggers love to use this plugin. This plugin adds a link to commenter’s latest blog post at the end of their comment.
Best Image Optimization Plugins
EWWW Image Optimizer : This is the best image optimization plugin with over 600000 downloads with 4.7 rating. This plugin will automatically optimize images when those images upload to your blog. It can optimize images which are already uploaded also. It can optimize JPG images as well as PNG images.
WP Smush.it : This plugin works same like above plugin. It has more downloads than above plugin, but rating is 4.1.
SEO Friendly Images : Don’t forget that Google has image search engine also. This plugin adds proper alt and title attributes for all images.
BJ Lazy Load : Do you use more than three images for your blog posts? Then, you need to use this plugin. It makes your blog load faster and save bandwidths.
Best Premium WordPress Plugins
WP User Frontend Pro : WP User Frontend Pro is the best front end post submission plugin for WordPress.
Magic Members : Magic Members is one of the best WordPress membership plugin which can be used to create a membership site using WordPress.
USP PRO : User submitted posts pro is a popular plugin to submit posts from frontend.
Analytics Dashboard : Analytics Dashboard is a premium WordPress plugin which displays in one place all essential metrics and statistics of your WordPress site.
Other Most Useful WordPress Plugins
Akismet : Almost every blogger hate spam comments. This plugin catches almost spam comments. It blocks 7.5 million spams in every hour.
Contact Form 7 : Every blog need a contact form. You can use this plugin to create a very simple contact form.
Jetpack : This plugin adds many features which were previously available only to WordPress.com users.
WP-PageNavi : This plugin adds perfect navigation bar for your blog.
bbPress : It is easy to add a forum to your blog using bbPress which is developed by WordPress team.
Theme Check : Do you know that how to test your theme for all the latest WordPress standards and practices? Install this WordPress plugin and test it.
Google Analytics Dashboard for WP : This plugin allow you to check all Google Analytics details like page users, page views, bounce rates in WordPress Dashboard. It can display real-time statistics also.
WPtouch Mobile Plugin : Doesn’t your WordPress theme support responsive? You can create a mobile friendly site using this plugin.
Yet Another Related Posts Plugin : This plugin adds related posts of your blog after the every post. If you use Jetpack plugin, you don’t need to use another related post plugin because it can display related posts with thumbnail or without thumbnail .
WP-PostRatings : Allow users to rate your posts.
Shortcodes Ultimate : This plugin provides more than 50 awesome WordPress short codes which help you to create a better WordPress blog. If you buy the premium version you have more short codes.
WP-Polls : Add poll system for your blog.
Allow PHP in Posts and Pages : Use this plugin if you want to use PHP codes in posts or pages.
Social Login : Allow users to login using social media like Facebook, Twitter.
WP-PostViews : Display post and page views in very posts and pages.
Broken Link Checker : This plugin finds broken links of your blog. Then you can edit o remove the link.
Theme Junkie Custom CSS : This plugin doesn’t work only on Theme Junkie theme, this works on almost all WordPress themes. This plugin adds a custom CSS manager and it override default style on themes and plugins as you want.
Advanced Custom Fields : You may use WordPress custom field to your blog. Try this plugin. This plugin support more than 20 field types.
Custom Post Type UI : There is no need to write code to create custom post type. Just use this plugin. You can create unlimited custom post types without any WordPress development knowledge.
Regenerate Thumbnails : It is not a good practice change your WordPress theme many times. But you may want to change your blog theme because of many reasons. You may want to regenerate your thumbnails after changing the theme.
Page Builder by SiteOrigin : This is the best free WordPress page builder plugin. You can create responsive page layout using drag and drop feature. You don’t need any programming knowledge.
Google Analytics Dashboard for WP : You don’t need to log Google Analytics account after installing this. Google Analytics Dashboard for WP plugin display Google Analytics reports in your WordPress dashboard.
Login LockDown : Don’t let others to hack your WordPress blog. Limits the number of login attempts.
All above plugins can be introduces as best WordPress plugins. But, don’t use all plugins which I mentioned here because your blog may be slow down. However, most important thing is using well coded WordPress plugins. So, if there is no at least 1000+ downloads don’t use that type of plugins unless you don’t know how did developer develop that plugin.
Find the WordPress plugins which you and your readers want. Then, installed them.