Search Engine Optimization (SEO) can boost the rankings of your WordPress site, driving maximum organic traffic to it. There are tons of plugin tools that can help you do this. Here’s my list of the 20 best WordPress SEO plugins.

Yoast SEO

One of the most popular SEO plugins, Yoast SEO offers plenty of tools for content and SEO analysis. You can even set canonical URLs to avoid Google penalties for duplicate content. Added functionalities related to videos, news and local SEO are present in the premium version.

Schema

One of the most easy-to-use plugins with minimal settings, Schema can help you re-use data saved in post-meta, which is created by other plugins. It can be integrated with other plugins, such as Yoast SEO, Visual Composer and so on.

SEMrush

Conduct technical audit analysis or insert backlinks into texts for audit analytics with the SEMrush plugin. This tool allows you to write content according to the engagement data. You can discover trending topics and also find new opportunities for promotions.

Table of Contents Plus

Available in multiple languages, Table of Contents Plus allows you to generate or disable the table of contents at preferred locations. You can customize display options or use a minimum number of headings before the index is displayed in the administration options panel. This is great for sites that have content management configurations.

Google Keyword Planner

Google Keyword Planner is free for people who use Google’s advertiser platform. You can find keywords that have high search rankings, unique keywords that can outrank other sites and those that receive high interest from advertisers. The plugin can also provide bid estimates for each keyword.

The SEO Framework

The SEO Framework helps optimize your meta-data. You can optimize all public pages, posts, taxonomy and terms. The plugin can help your pages get exposure on social media sites like Facebook and Twitter. It is an easy plugin for beginners and also provides fantastic APIs for experts. It is pre-configured, so you have an appropriate starting point for most websites.

Broken Link Checker

Monitor your pages, websites, and comments for links that have expired or re-directs to incorrect pages or missing links with Broken Link Checker. This plugin notifies you by e-mail or on the dashboard of link issues. It is highly customizable, according to your SEO requirements.

WPtouch

WPtouch is a plugin that can help you attract mobile visitors to your WordPress site. It can immediately create a mobile version of your site, allowing you to add many features, without modifying a single code. Choose the Pro version for enhanced themes and options.

WP SEOPress

The WP SEOPress plugin enables you to build custom XML sitemaps, which can improve search indexing. Gain access to meta-descriptions and titles with dynamic variables with this tool.

Smush Image Compression

You can optimize images without losing out on quality by using this tool. Smush Image Compression lets you compress images, allowing your pages to load faster.

Author HReview

For websites that offer affiliate marketing, Author HReview lets you add a review box for each tool or plugin that is recommended by you. You can also get rich snippets and star ratings for your product promotions.

All in One SEO Pack

Get advanced canonical URLs and Google Analytics support through this time-tested plugin for SEO optimization of your WordPress site. All in One SEO Pack is the only free plugin to provide integration to e-commerce sites.

EWWW Image Optimizer

The EWWW optimizer allows you to have a website that will load faster, thus improving its SEO ranking. It also enables you to optimize images already uploaded and suggests the best format for them.

Google Analytics by Monster Insights

Google Analytics by Monster Insights is an easy plugin that allows you to track visitors to your blog in an efficient way. You can enable Google Analytics’ advanced features with just a few clicks. You can get behavior reports of what people think about your site too.

LiteSpeed Cache

LiteSpeed Cache is a PHP-based, all-in-one site acceleration plugin. You can have different views for your site, depending on geographical locations, and customize your site for both mobile devices and desktops.

Shortlinks by Pretty Links

Manage your social links, affiliate links and redirects efficiently with Shortlinks by Pretty Links. You can track the number of clicks and unique clicks per link. The tool is ideal for those who want to increase the exposure of their websites on social media platforms, by spreading links on comments, forums and other blogs.

Pro Rank Tracker

Pro Rank Tracker offers great Search Engine Results Page (SERP) information. You can stay updated about the rankings of your websites and videos on Google. It offers easy accessibility from anywhere, desktop and mobiles.

Redirection

Tidy any loose ends your site may have with the Redirection tool. This plugin helps you keep track of 404 errors or 301 redirections. It one of the dedicated and highly popular redirect tools that is free for use. It has a full-featured import and export system.

SEO Editor

SEO Editor allows you to edit SEO data on multiple pages by pulling in descriptions, meta-titles and keywords into a single view. This can help you save precious time. It can be fully integrated with WordPress SEO and All in One SEO Pack plugins. It auto-detects the plugin that you are using.

SEO Squirrly

SEO Squirrly is best suited for people who are just starting out on SEO. After you install the plugin on your WordPress site, you can choose a topic and start writing. The interface will light up in green if you are doing everything right. You also gain access to copyright-free images that can be used with your text. You can discover country-specific longtail keywords to improve the SEO of your website.

These were only 20 of the many SEO plugins available for WordPress. Make sure to not use too many plugins, since it could slow down your site.