23 Best Free SEO Tools That Are Actually Worth Using

While free SEO tools offer limited functionality, you can still use them to do SEO. You only need the right ones to cover your use cases.

Here’s our roundup of the 23 best free SEO tools. All of these tools offer free plans and options, along with premium plans if your business grows and needs more robust tools in the future.

23 Best Free SEO Tools

Here are some of the best free tools for SEO:

1. Google Analytics 4

Google Analytics 4 is the #1 best free SEO tool available. It is currently used by over 14.2 million websites.

It gives plenty of handy data about your websites, such as:

• Real-Time Data Tracking: Track user activity as it happens on your site.
• Audience Insights: Understand the demographics, interests, and behavior of your visitors.
• Traffic Source Analysis: Track where your visitors are coming from (organic, paid, referral, social).
• Conversion Tracking: Measure the effectiveness of your marketing campaigns.
• Goal Tracking: Set and track specific goals like form submissions or product purchases.
• eCommerce Reporting: Track online sales and revenue generated from your website.

With this detailed information from Google Analytics, you can tweak your content strategy and figure out what works and what doesn’t.

Must Read: How to Add Google Analytics to a WordPress Site.

2. Google Search Console

Google Search Console (earlier known as Google Webmaster Tools) is one of the best free Google SEO tools. It helps you monitor and optimize your website’s presence in Google Search results.

In addition, it offers valuable insights into how Google views your site and helps identify potential issues that may affect its ranking or visibility.

• Performance Monitoring: Track clicks, impressions, CTR, and average ranking.
• Index Coverage: Monitor which pages are indexed and identify indexing errors.
• Core Web Vitals: Track user experience metrics like speed and stability.
• Sitemap Submission: Submit and manage XML sitemaps.
• Crawl Errors: Identify issues preventing Google from crawling your site.
• Mobile Usability: Assesses the mobile-friendliness of your site.

Must Read: How to Submit Your Website to Google Search Console.

3. Google Trends

Google Trends allows you to analyze search trends anywhere in the world.

You can use it to see what topics are trending right now and gather some content ideas.

It’s commonly used for keyword research, to identify rising trends and seasonal keywords, and to gain insights into consumer behavior for content marketing and SEO strategies.

With Google Trends, you can:

• Search Term Popularity: View the popularity of a search term over time.
• Geographic Interest: Discover where a search term is most popular globally or within a specific region.
• Related Topics & Queries: Find trending and related topics to expand content ideas.
• Comparison Tool: Compare the popularity of multiple search terms or topics side-by-side.
• Historical Data: Access search data from 2004 to the present.

4. Google Keyword Planner

Google Keyword Planner (GKP) is a free keyword research tool for Google Ads. But you can use it for SEO, too. It’s especially useful for finding trending or seasonal keywords.

Most keyword search tools give you ideas based on your seed keyword. For example, if you enter “WordPress,” you’ll get ideas like “WordPress themes,” “WordPress plugins,” and “WordPress hosting.”

GKP can show you relevant keywords based on semantics. For example, it suggests keywords like “WooCommerce,” “Elementor pro,” “Kinsta,” etc., even though they don’t contain the word “WordPress.”

With Google Keyword Planner, you can:

• Keyword Search Volume: Provides estimated search volumes for specific keywords.
• Keyword Suggestions: Suggest related keywords based on your input.
• Cost-Per-Click (CPC) Data: Shows the estimated CPC for ads targeting specific keywords.
• Keyword Competition: Indicates the level of competition for bidding on specific keywords.
• Geographic Targeting: Allows you to view keyword data by location.

5. Rank Math

Rank Math is a WordPress SEO plugin that helps you optimize your site for search engines.

It provides on-page SEO recommendations and makes it easy to edit SEO elements to rank higher in SERPs.

Here are some key features of Rank Math SEO:

• Advanced SEO Analysis: Built-in SEO analysis tool for content optimization.
• Schema Markup: Supports multiple schema types for rich snippets.
• 404 Monitor: Tracks broken links for improved site health.
• XML Sitemap: Automatically generated and optimized XML sitemaps.
• Internal Linking Suggestions: AI-powered recommendations for internal links.
• Redirection Manager: Easy setup for 301 redirects to manage broken links.

Learn more in our complete Rank Math review.

6. Ahrefs Backlink Checker

Next on our list of free search engine optimization tools is Ahrefs Backlink Checker.

This free tool shows the top 20 backlinks of any website or URL, along with the number of referring domains, anchor text, and the Domain Rating (DR) of the website being analyzed.

This tool is very useful for finding potential link-building opportunities by copying and pasting your competitor’s website.

7. Google PageSpeed Insights

Google PageSpeed Insights analyses the performance of a web page and suggests ways to improve its speed and user experience.

The tool measures page speed on mobile and desktop devices and provides a score between 0 to 100, depending on many factors. These include page load time, time to first byte, and the number of resources requested by the page. A higher score means that the page is fast and more optimized for users.

Google PageSpeed Insights also offers detailed suggestions for improving page speed and user experience. These include optimizing images, reducing server response time, minifying CSS and JavaScript files, and leveraging browser caching.

Learn more in our complete WordPress speed optimization guide.

8. Keyword Surfer

Keyword Surfer is a free SEO Chrome extension developed by Surfer SEO. It helps you do keyword research directly from Google search results.

Once installed, it provides keyword metrics like search volume, cost-per-click (CPC), and related keyword suggestions without needing to leave the Google search page.

9. Bing Webmaster Tools

Bing Webmaster Tools allows you to track and manage your website’s performance in Bing Search.

Basically, it’s Bing’s version of Google Search Console.

Here are the key features of Bing Webmaster Tools:

• Site Performance Reports: Monitor your website’s impressions, clicks, and ranking position on Bing.
• URL Submission: Submit URLs to ensure they’re crawled and indexed faster by Bing.
• Backlink Profile: Analyze the inbound links pointing to your site.
• Keyword Research Tool: Discover keyword suggestions and track their performance on Bing.
• Site Scan: Identify and fix SEO issues, such as broken links or missing metadata.
• Sitemaps and Indexing: Submit and manage XML sitemaps to enhance indexing.

10. ChatGPT

ChatGPT is an AI chatbot that can be used for various SEO tasks. To use it, you simply provide a prompt (instruction).

For example, you could ask the tool to:

• Generate a list of 20 long-tail keywords related to “XYZ”.
• Create a detailed outline for a blog post about “XYZ”, including key points and subheadings.
• Write a compelling meta description for an article “XYZ” that includes the target keyword “XYZ” along with a call to action.
• Provide a step-by-step guide on how to fix broken links on a WordPress site to improve SEO.
• Draft an outreach email template to request a guest post opportunity on a high-authority travel blog.
• Suggest internal links for a blog post about “XYZ”.
• Analyze the content gap for a blog about “XYZ” compared to competitors.

Remember that ChatGPt has the potential to generate inaccurate information and unoriginal text. As a result, you should always edit anything it generates.

11. Mozbar

MozBar is an SEO toolbar that shows the Page Authority, Domain Authority, and Spam Score of a webpage or website.

This is very useful when performing a competitor keyword analysis, as it will inform you how difficult it is to achieve a high ranking and how many quality backlinks you need.

Additionally, MozBar offers other tools for conveniently analyzing on-page SEO and evaluating the usefulness of a backlink from a certain page.

12. AlsoAsked

People Also Ask is a SERP feature that displays popular questions related to your search query. AlsoAsked find these questions and shows you all PAA questions relevant to your topic.

It provides a visual map of related queries, which allows you to identify long-tail keywords and subtopics that are commonly searched but often missed by other tools. This helps create content clusters or pillar pages, boost topical authority, and improve SEO visibility.

For example, if you’re writing about “how to start a blog”, you may want to answer these questions:

Note: You can use AlsoAsked for free for three free searches per day.

13. Google Alerts

Google Alerts is a simple tool that tracks every mention of your chosen keywords online. Many bloggers use Google Alerts to monitor for mentions of their own name, company name, blog name, etc.

In this way, if you are mentioned somewhere, you may contact the website owner and ask for a link.

14. AnswerThePublic

AnswerThePublic is one of the most effective free SEO tools for generating long-tail keywords. You can enter a keyword into the platform, and it will provide a complete list of the most popular related search phrases.

This SEO tool is divided into three sections: questions, prepositions, and comparisons. AnswerThePublic even splits down its data into visual maps and lists.

In addition, you can also download the data in CSV format to analyze it further.

Note: You can use AnswerThePublic for free for three free searches per day.

15. Animalz Revive

Animalz Revive is an SEO tool for finding and improving existing content on your website. It analyzes your Google Analytics data to identify the articles that are losing organic traffic so that they may be improved.

By updating old content that had potential, you will again increase traffic on your site without creating new articles.

16. CanIRank

CanIRank is a detailed keyword difficulty tool. Additionally, unlike most free SEO tools, CanIRank does not provide generic keyword difficulty suggestions. Instead, it shows you whether or not YOU can rank for that keyword.

17. Google’s Mobile-Friendly Test

Google’s Mobile-Friendly Test allows you to check if your website is mobile-friendly or not. With the increased usage of mobile devices to access the internet, websites must be optimized for mobile devices to give a good user experience and improve search engine rankings.

To use the tool, simply enter the website URL and click “Run Test.” The tool will analyze the website and provide a report that indicates whether the website is mobile-friendly or not.

18. Seobility

If you’re looking for an all-in-one SEO auditing program, consider using Seobility. Seobility crawls your entire website and lets you know about search engine optimization issues like:

• Slow loading pages
• Blocked pages
• Sitemap problems
• Technical SEO issues
• And so on

You usually only get this type of stuff from paid SEO tools. So it’s really nice that Seobility gives you this data for free.

19. Screaming Frog SEO Spider

Search engines like Google use “crawlers” to browse your website, detect issues, and rank it in the SERPs. By using the Screaming Frog SEO Spider Tool, you can emulate that experience for free.

Screaming Frog can detect many issues, including broken links, blocked URLs, and errors. It can also evaluate several types of SEO data, such as page titles and redirects, and generate a customized report for your site. Overall, it’s a great free SEO auditing tool that provides insight into how search engines see your site.

20. GTmetrix

Page speed has been one of the Google ranking factors since 2010. As a result, if your site is really slow, this can be the reason why it isn’t ranking as well as it could.

Use GTmetrix to test your page speed and see how it performs:

GTmetrix also shows the main issues affecting your site, as well as tips for how to fix them.

21. Keyworddit

Keyworddit is a free keyword research tool that allows you to extract relevant keywords from the famous social media network Reddit. It can help you identify the most popular topics, phrases, and words people discuss on Reddit.

To use Keyworddit, enter the name of the subreddit you want to analyze and click the “Get Keywords” button. The tool will then list the most frequently used keywords, the number of times each keyword appears, and its relevance score.

For example, here’s a list of keywords it grabbed from the r/seo subreddit:

Further, it also shows you the context where the keyword appeared.

22. Hunter.io

Most link-building strategies include reaching out and convincing someone to link to your page. You’ll need their email address for this to happen.

Hunter.io lets you find anyone’s professional email address. Simply enter the domain of the email address you’re looking for, and the tool will provide a list of email addresses it has found.

23. Semrush

Semrush is an all-in-one SEO software with a wide range of features. Though you’ll need a paid account to access most of them, Semrush offers the following for free:

• Keyword Research: Run 10 free keyword research reports each day.
• Domain Overview: Analyze up to 10 competitors for free.
• Site Audit: Do a technical SEO audit of your site to free up 100 URLs.
• Position Tracking: Trach 10 free keywords for search engines.
• SEO Content Template: Generate 1 free content brief for your target keyword.
• On-Page SEO Checker: Get 10 free on-page seo recommendations to optimize existing content.
• And more.

Learn more in our complete Semrush review.

Conclusion

These 23 free SEO tools offer immense value for businesses and bloggers alike. They cover every aspect of SEO—from keyword research to performance tracking.

The best part is that you don’t need a big budget to boost your search rankings. Combining several of these tools allows you to build a solid SEO strategy without any cost.

Each tool serves a unique purpose, helping you improve visibility, understand competitors, and drive organic traffic.

Start using them today to elevate your SEO game and see measurable improvements in your online presence!

For more, check out these other helpful resources:

• 12 Best SEO Tools for Small Businesses Compared
• 7 Best Tools to Check Website Traffic
• 10 Best Semrush Alternatives & Competitors
• 53 Best Blogging Tools to Skyrocket Your Blog Growth

Lastly, follow us on Facebook and Twitter to stay updated on the latest WordPress and blogging-related articles.