Best SEO Plugins for WordPress: Free and Paid Options (2025)

💻 Key features

• SEO and readability analysis: The Yoast SEO plugin provides instant feedback on content optimization and readability.
• Technical SEO enhancements: Automates technical SEO tasks like creating XML sitemaps, managing robots.txt, and implementing schema.org data.
• Social media integration: Enables users to preview and customize how their content appears on social platforms.
• Internal linking suggestions: (Premium Feature) Offers recommendations for internal links to other content on the website.
• Redirect manager: Helps manage 301 redirects, preventing broken links and ensuring a smooth user experience when URLs change.

💰 Pricing

Yoast SEO offers both free and premium versions.

Yoast SEO Premium is available for $99 per year, offering features such as internal linking suggestions, a redirect manager, and support for optimizing content for multiple keywords.

💻 Key features

• Smart setup wizard: Simplifies the process of setting up SEO for WordPress sites by guiding users through a step-by-step configuration.
• On-page SEO optimization: Offers features like title and meta description templating, XML sitemaps, and content analysis to improve page optimization.
• Social media integration: Enables customization of how content is shared on social media platforms, including image and description settings.
• WooCommerce SEO: Provides specialized tools for optimizing online stores built with WooCommerce, including product page optimization and dynamic optimizations.
• Advanced schema markup: Helps in implementing schema markup easily, which is crucial for helping search engines understand the content and context of your pages.

💰 Pricing

All in One SEO (AIOSEO) offers several pricing tiers to cater to different needs, starting from a basic free version with essential features.

The premium versions typically range from approximately $49 to $299 per year, depending on the plan and features included.

💻 Key features

• Easy-to-follow setup wizard: Provides a step-by-step installation and configuration wizard.
• Advanced SEO analysis tool: Offers a detailed SEO analysis based on a wide range of factors to help improve your content’s search engine visibility.
• Google Search Console integration: Allows you to track keyword rankings directly within the WordPress dashboard.
• Schema markup support: Supports a wide array of Schema types, which can help enhance your content’s appearance in search results with rich snippets.
• 404 monitor and redirections: Helps identify and fix broken links on your website.

💰 Pricing

Rank Math offers a free version with a robust set of features for website optimization.

For additional advanced features, the pro versions range from approximately $6 to $46 per month, billed annually, excluding VAT.

💻 Key features

• SEO optimization: Simplifies the process of optimizing meta titles, descriptions, and social media previews to improve visibility and click-through rates.
• Sitemaps and Google Analytics integration: Automatically generates XML and HTML sitemaps for better indexing and integrates with Google Analytics.
• Advanced schema markup: Offers advanced schema options to help search engines understand the content and context of your pages.
• Redirection management and 404 monitoring: Helps manage 301 redirects and monitor 404 errors.
• Content analysis with unlimited keywords: (PRO Feature) Provides detailed content analysis to optimize for multiple keywords.

💰 Pricing

SEOPress offers both free and premium versions. The premium versions range from $49 to $128 per year, excluding VAT.

💻 Key features

• Automated meta tag generation: Intelligently generates critical SEO meta tags by analyzing your WordPress environment.
• SEO attack protection: Protects against SEO attacks by ensuring search engines index only the best version of your pages.
• Social media integration: Automatically supports and allows customization of Open Graph, Facebook, and Twitter Cards protocols.
• Performance-focused: Designed to be lightweight and fast, with a focus on not slowing down your website.
• SEO bar: Provides a visual representation of SEO optimization through an SEO Bar, which checks over 70 issues for pages and terms.

💰 Pricing

The SEO Framework offers both free and premium versions. The premium versions range from $7 to $27 per month, paid yearly.

💻 Key features

• Automated SEO audits and recommendations: Provides a comprehensive analysis of your site’s SEO health along with actionable recommendations for improvement.
• Powerful sitemap generation: Automatically generates and updates XML sitemaps to ensure that search engines can easily find and rank your content.
• Seamless social media integration: Enhances your content’s shareability and visibility on social media platforms.
• Advanced customization and flexibility: Allows you to fine-tune how your content appears in search results and adjust social media previews.
• Full schema support: Includes support for default schema types and a Schema Types Builder, enabling you to let search engines know what your data means.

💰 Pricing

SmartCrawl is available in both free and pro versions.

The pro version is included as part of the WPMU DEV membership, which offers additional features and tools beyond those available in the free version.

WPMU DEV membership ranges from $6 to $40 per month.

💻 Key features

• Readability analysis: Evaluates the readability of your content and helps in optimizing text for better user experience and retention.
• Recommended keywords: Offers suggestions for semantically related keywords to enhance your content’s relevance and potential to rank higher in search results.
• Tone of voice consistency: Analyzes your content’s tone and provides recommendations to maintain consistency.
• Overall score: An overall SEO score is provided, summarizing the SEO potential of your content based on key on-page factors.
• Plagiarism check: Includes a plagiarism checker to ensure the originality of your content.

💰 Pricing

SEMrush SEO Toolkit is not a standalone plugin and is only available as part of the suite of tools offered by Semrush.

SEMrush offers several subscription plans ranging from $129.95 to $499.95 per month.

A 17% discount is offered if you choose to pay annually.

💻 Key features

• Keyword discovery: Helps you find new keywords related to your products or services to target the right audience.
• Search volume and trends: Offers insights into how often certain keywords are searched and how those searches have changed over time.
• Bid estimates: Provides suggested bid estimates for each keyword, which can help in determining your advertising budget.
• Keyword organization: Organizes keywords into ad groups and campaigns for more structured advertising strategies.
• Performance forecasts: Provides forecasts for your keywords, including expected clicks and impressions, which can inform both your SEO and PPC strategies.

💰 Pricing

Google Keyword Planner is a free tool provided within the Google Ads platform.

However, to access the full functionality of the tool, you’re required to set up a Google Ads campaign, which requires you to enter billing information.

But you can pause your campaigns immediately to avoid incurring costs if you only wish to use the tool for keyword research and not for running ads.

💻 Key features

• Comprehensive scanning: Examines your entire WordPress site, including posts, pages, comments, and custom fields, for broken links and missing images.
• Automatic notifications: Alerts you through the WordPress dashboard or via email when it detects broken links, allowing for prompt action.
• Editable URLs: Allows you to directly edit broken links from the plugin’s interface.
• Search and filter options: Offers advanced search and filtering capabilities.
• Prevent search engine indexing: Provides an option to prevent search engines from following broken links, thereby safeguarding your site’s SEO.

💰 Pricing

Broken Link Checker is available for free, with no premium tiers. 

Every feature is offered to all users at no cost, making it an accessible tool for website owners looking to maintain the integrity of their site’s links.

💻 Key features

• On-page SEO report: Analyzes on-page SEO elements of any page, including title and description, subheaders structure, canonical URL check, and indexability issues.
• SERP overlay: Allows you to view SEO metrics directly on search engine results pages.
• Redirect path and HTTP header checking: Allows you to trace redirect paths and read HTTP headers easily.
• Link analysis: Identifies various types of links on pages, including nofollow, UGC, and sponsored links, as well as internal and external links. 
• Country changer for SERP: Checks search rankings in other countries without the need for additional tools like a VPN, which is beneficial for international SEO.

💰 Pricing

The Ahrefs SEO Toolbar is available for free as a browser extension.

However, to access advanced features such as page and domain SEO metrics while browsing, and viewing SEO metrics directly on SERPs, you need to have a paid subscription to Ahrefs.

Ahrefs offers several pricing plans, ranging from $99 to $999 per month.

Annual subscriptions are also available, starting at a lower monthly equivalent.