10 Free WordPress SEO Plugins for 2021

For the majority of websites on the internet, search engines are the primary source of traffic. Using the best SEO strategies to optimize your website for search engines can help you rank higher in search results and considerably scale your business. 

You could have a beautiful website with great content, but even the best website will struggle to prosper if visitors can’t locate it.

Wouldn’t you want to gain as many rewards as possible from your hard work if you’ve already put in the effort to build a website and provide high-quality content? SEO allows you to harness the internet’s full potential and connect with as many potential customers as possible.

But, especially if you’re new to SEO, how do you make sure your WordPress site works perfectly fine for search engines? You may find various SEO plugins in the WordPress plugins directory to help you take your site to the next level, regardless of your SEO skills. But which ones to choose? 

That’s what this article is all about. We developed this list of the best SEO plugins for WordPress. It details the top choices and how they’ll help you improve your SEO.

What is a WordPress SEO Plugin?

WordPress plugins are tools that are added to your site to improve its appearance, functionality, and efficiency. It is possible to have multiple plugins installed, and if used appropriately, they can significantly improve the user experience on your site. Even better, you don’t need to learn any coding to use these plugins on your site.

The quality of each of the approximately hundreds of WordPress plugins accessible on the official WordPress repository can vary. Some may cause your site to slow down, while others may not be appropriate for your website based on your choices. In reality, you do not need hundreds of plugins to boost your SEO rankings. It’s up to you to determine what you need for your website and make your choices likewise. 

Why Do You Need a WordPress SEO Plugin?

Google processes up to 3.5 billion searches per day, and with the help of these proven-effective SEO plugins, you can optimize your website further and increase your brand’s online visibility.

An SEO plugin can make your optimization tasks quicker, more efficient, and even automated. WordPress SEO plugins help you to get your work done in a  more straightforward way, such as reorganize website structure, fix broken links, help with on-page SEO, and much more.

Rank Math

Rank Math, aka the swiss army knife of the SEO tools, is the most fast-growing and user-friendly SEO plugin. It comes with an intuitive setup wizard and automation features that helps to make your website SEO-friendly.

Rank Math Free WordPress SEO Plugins

Rank Math helps control the on-page SEO of your posts, pages, products, and other taxonomies.

Rank Math also offers integration with Google Search Console and keyword ranking tools, which is helpful if you want to stay ahead of your competitors. Rank Math’s 404 monitor helps to diagnose the 404 errors quickly. Furthermore, its module-based approach allows you to pick and choose the features you require without overburdening your site with unnecessary functionality.

Key Features

Some other key features include:

  • Schema markup
  • Support for unlimited keywords
  • Advanced SEO auditing
  • Redirect manager
  • Local SEO
  • Breadcrumbs optimization
  • Internal link suggestions
  • XML sitemap
  • Automated Image SEO
  • Advanced SEO Analysis Tool
  • Few lines of code versus other SEO plugins


Rank Math for all its outstanding and unique features is free. Absolutely free! The premium version starts at $59 per year and helps you track 1,000 keywords.

Besides this, Rank Math also offers a Business version that can track 20,000 Keywords and supports 200 client websites.

Yoast SEO

Yoast SEO is one of the most widely used SEO plugins as it’s bundled with tons of valuable features that help create search-engine-friendly and easy-to-read content. It helps improve your blog’s on-page SEO. Yoast SEO provides suggestions to improve the grammar and structure of the sentence, thereby enhancing the reading level.

Yoast SEO Free SEO Plugins

Yoast SEO adds a meta box to all of your pages and articles, allowing you to simply select your target keyword, meta description, canonical URLs, and other options. 

Yoast SEO creates an XML sitemap for all of your website’s content, making crawling your site easier for search engines. If you’ve been using another SEO plugin, it also makes it simple to import your SEO data.

Key Features

Some of the key features include:

  • Advanced XML sitemaps
  • Schema markup
  • Breadcrumbs control
  • SEO and readability analysis
  • Title and meta description templates
  • Language support
  • Access to free Yoast courses


Yoast SEO is available for free.  The premium version also includes advanced features such as internal linking suggestions, content insights, and a redirect manager, available at $89 per year for one website.

All In One SEO Pack

The All in One SEO Pack is helpful for beginners and advanced users, with settings and tools that allow you to scale up what you control as you gain more experience.

All in One SEO Plugin

The plugin produces meta tags and optimizes titles for all search engines. It also supports XML sitemaps for both Google and Bing and image sitemaps and RSS sitemaps.

All In One SEO Pack is an excellent choice for those with e-commerce websites as it’s offers SEO Integration for e-Commerce sites, including WooCommerce.

Key Features

Some of the key features include:

  • XML and RSS Sitemap support
  • Image SEO
  • Schema markup
  • Advanced canonical URLs
  • AMP support
  • Duplicate content detection
  • API support
  • SEO integration for e-commerce sites


All In One SEO Pack is a freemium plugin. The premium version gives you access to more advanced tools and unlimited keyword assistance, starting at $199 per year.

Ahrefs SEO

Ahrefs SEO helps you to optimize your site by focusing on keyword research and competitor analysis. It serves as a content research and analysis platform, keyword rank tracker, a competitor research tool, and an on-page SEO analyzer.

All in One SEO Plugins

It also aids in the detection of duplicate content and keyword cannibalization. It efficiently assists you in upgrading the appropriate information to improve your website’s rankings.

Key Features

  • Includes a backlink analysis powered by its backlink index (the most extensive backlink index online)
  • Google Analytics and Google Search Console integration 
  • Content audit tool to offer real-time recommendations
  • Lightning fast
  • Easy and convenient to set up and configure


Ahrefs SEO is freely available.

All In One Schema Rich Snippets

All In One Schema Rich Snippets is one of the most popular schema markup plugins for WordPress. Rich snippets are an essential aspect of SEO since they give search engine users a more interactive description of your post or page.

Rich Snippets Plugin

You can get eye-catching results in search engines with this most popular schema markup plugin.

Key Features

  • Easy to implement a range of schema types, including Products, Articles, Recipes, Events, and reviews.
  • Useful for e-commerce sites.
  • It helps you rank higher in search results
  • Boosts click-through rate (CTR)


All In One Schema Rich Snippet plugin is free and readily available in the WordPress repository.

Squirrly SEO

Squirrly SEO is a user-friendly SEO tool that allows you to optimize content for a specific keyword as you’re creating it. It also includes a competitor analysis and suggestions that help you outrank similar pages.

Squirrly SEO Plugin

Besides that, Squirrly SEO has several unique characteristics that will aid your marketing efforts. Additionally, it will transfer all your pre-existing settings if you switch from another SEO plugin…

Key Features

  • Schema markup
  • Free coaching sessions
  • ‘Noindex’ options
  • Advanced eCommerce features
  • Google Analytics integration
  • Custom Robot.txt for site crawlers
  • Sitemap XML
  • Social media monitoring


Free. If you want to access the advanced features, pricing starts from $20.99 per month.

The SEO Framework

The SEO Framework claims to be the only feature-rich SEO plugin that adheres to WordPress and search engine white-hat norms and rules, and it has a 5-star rating to back it up. 

The SEO Framework

It is the only plugin that can intelligently generate important SEO meta tags in any language by reading the user’s WordPress environment, saving time, and removing the need for expert knowledge.

When you hover your mouse over the post overview pages, you’ll see color-coded instructions that propose ways to improve the pages. Users can optimize pages without fear of making crucial errors because it adheres to Google’s webmaster rules.

Key Features

  • Pre-configured SEO settings
  • Local SEO extension
  • Improves the search presence


The SEO Framework plugin is available in a free version that provides you with the features necessary for your website’s optimization. You can easily switch to its paid version, which starts from $7 per month, paid yearly.

SEO Press

SEOPress is a powerful plugin that is free of advertisements and is entirely white-labeled. It has many features that allow you to optimize your website, such as thoroughly creating your XML sitemap, controlling redirections, analyzing content using keywords, and much more.

SEOPress SEO Plugin

The plugin provides Open Graph and Twitter Cards to enhance social media sharing on Facebook, Twitter, Instagram, Linked In, WhatsApp, and Pinterest. The previews make it easy to optimize content for each medium. 

SEOPress offers integration with Google Analytics, and its content analysis tool provides optimization tips that help you improvise your posts.

Key Features

  • Intuitive setup wizard
  • Support for unlimited keywords
  • Image SEO
  • Social media monitoring
  • Dynamic titles and meta descriptions
  • Custom canonical URLs
  • ‘Noindex’ support
  • Free SEO tutorials


SEO Press is available for free. The premium version costs $39 per year and offers advanced features for WooCommerce, breadcrumb optimization, etc.


The simplicity and functionality that SmartCrawl brings to the table is the utmost reason to consider it as a plugin for your website. It simply ensures that you will no longer have to wonder if your SEO is correctly optimized and eliminates the need to make any guesses and juggle between multiple settings.

SmartCrawl Free WordPress SEO Plugins

SmartCrawl has a one-click setup option and provides content analysis and real-time keyword analysis. Not only this, but it also provides your SEO reports and scans.

Key Features

  • One-Click setup wizard
  • SEO checkup and reports
  • Leverages your social media
  • Quick import/export setup
  • Integration with Moz tools


SmartCrawl is a free plugin.

Google XML Sitemaps

Google XML Sitemaps could be a fantastic choice if getting your site indexed by search engines is your primary concern.

Google XML Sitemaps

This plugin allows you to generate a sitemap automatically so that crawlers may quickly examine your website. You can also save your settings and re-apply them whenever you publish fresh content.

Key Features

  • It automatically updates the sitemap whenever new content is published.
  • It is easy to understand and use. 
  • Once installed and you have the settings in place, you will not need to do anything else. 


The good news is that the plugin is freely available.


With accurate and advanced tools, the WP Meta SEO plugin provides you complete control over the SEO of your WordPress website.


WP Meta SEO includes time-saving features such as a bulk editor for meta information, image SEO optimization, a robust XML sitemap generator, and a redirect manager. The most recent Pro edition includes a one-of-a-kind Google Search Console integration that recommends using the best keywords.

Key Features

  • Bulk edit all website meta 
  • Edit meta in content with live SEO analysis
  • Fix HTML image resizing in content
  • Bulk edit image file name and meta.
  • 404 errors redirect and internal broken link checker
  • Add Google Analytics tracking information 
  • Generate XML and HTML sitemaps
  • Breadcrumb generator
  • Gutenberg SEO content checker
  • Canonical URL management for posts, pages, categories


The plugin is freely available, but you can easily switch to the PRO version starting at $49 for a year.


For any website owner, SEO is a must-do task. Fortunately, this is now an easy task for WordPress users, thanks to numerous SEO plugins. The right tool can assist you in keeping track of your meta descriptions, optimizing content to rank for your target keyword, creating XML sitemaps, and more.

In this article, we’ve discussed 10 free WordPress SEO Plugins that’ll help you with these tasks. So are you ready to optimize your WordPress website with these best-featured WordPress SEO plugins? You should be! Each of the WordPress plugins listed in this article work in their way to give you a detailed analysis of the optimization techniques best suited for your website.

If you have any other similar SEO plugins on your mind, please share them with us in the comment section below. We will indeed look into your suggestions and add them to the list based on the performance.

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