Here is a curated list of 14 powerful WordPress plugins with their unique features. The below list is updated regularly.
Contact Form 7
Displays an interactive form that your visitors can use to reach out to you without ever leaving the page.
Easy to install and set up.
It outdoes competing plugins with its built-in spam filter and high consistency.
WordPress Leads
Monitor the actions your site visitors take at every step of their journey.
Use insights about visitor page views, geographic location, search history, demographic information.
UserNoise
Allows you to capture visitor feedback using popups.
Ask visitors to let you know what they think of certain advice, invite questions, and more.
Contains responsive design and optional feedback buttons.
An ad manager
Allow you to see detailed analytics from inside the WordPress dashboard.
Adpushup
This plugin is for ad layout optimization.
Use to make your ads visible without harming your design.
Segment and personalize the visual ads you show.
Provides each visitor with a customized experience on your website.
Keeps an eye on analytics.
WordPress Landing Pages
Free to try.
All of your setups will be handled from inside the WordPress dashboard.
You can run A/B tests without extra software.
AB Press Optimizer
It integrates A/B testing directly into your WordPress site.
Allows you to test a variety of text elements within your page and embed experiments Provide easy-to-use shortcode interface.
Upgrade to the Pro version for additional features like CSV exports, page and post title experiments, and more.
Calls-to-Action
Has the ability to monitor and track conversion rates.
Run A/B or multivariate split tests on calls to action (CTAs).
Increase lead flow through buttons, forms, and more.
Sticky Menu on Scroll
Used to keep menus at the top of your page.
Allows you to make any element sticky.
Use it with your CTAs, logos, and more.
UpdraftPlus
WordPress backup plugin.
You can save and store the contents of your website in case of a crash.
Login LockDown
Limits the number of login attempts from a given IP range within a certain time period.
Protects the security of those registered on your site.
W3 Total Cache
Makes upload speed faster.
Improves your bounce rate.
Increases a number of return visitors to your pages.
Yoast SEO
Yoast SEO has the number of built-in optimizations, analytics tools, and suggestions.
Don’t forget to add alt tags to your images.
Use your keyword within your text.
Floating Social Bar
Allows you to add a handful of social networks that users can click-to-share.
Pinned social share buttons to the top of the screen.