12 Completely Free SEO Training Courses (+ 3 AI Search Bonus Picks)

In this article, you’ll find the best free SEO training courses available right now, what each one covers, how long it takes to finish, and which one fits your experience level. You’ll also learn how to choose the right course for your goals and discover three bonus courses that cover AI search optimization, an increasingly important skill as search evolves beyond ten blue links.

Learning SEO does not require an expensive bootcamp or a four-year degree. Some of the most useful courses on the internet come from companies that build SEO tools, teach digital marketing, or run successful search campaigns themselves. The trick is knowing which ones are worth your time.

We reviewed dozens of free SEO courses and narrowed the list to twelve that deliver real, actionable knowledge without asking for your credit card. We also added three bonus courses focused on generative engine optimization (GEO), because AI search is becoming a standalone organic channel that complements traditional SEO.

Here is a quick comparison to help you decide where to start.

How to Choose the Right Free SEO Course

Before you enroll in everything on this list, consider what you actually need.

If you are brand new to SEO and want to understand the basics quickly, start with the Semrush SEO Crash Course or the Ahrefs SEO Course for Beginners. Both are under two hours and give you enough knowledge to start making real changes on your website.

If you want a certificate to put on your LinkedIn profile or resume, choose HubSpot, Moz, or Semrush. Each one offers a verifiable credential upon completion, which is useful if you are looking for a job in marketing or trying to demonstrate expertise to a client.

If you already understand the basics and want to go deeper in a specific area, jump to the specialized courses. The Technical SEO Certification from Blue Array is excellent for site health and crawlability. The Advanced Link Building Course from Ahrefs is one of the few free courses that covers outreach, prospecting, and team management at a practical level. And the Content-Led SEO course from Semrush with Brian Dean bridges the gap between content strategy and search performance.

If you run a local business, the Ahrefs Local SEO Course gets you up to speed in under an hour. No filler, just tactics you can implement the same day.

And if you want to stay ahead of the curve, do not skip the three AI search and GEO courses at the bottom of this article. Search is evolving fast, and understanding how to appear in AI-generated answers from ChatGPT, Perplexity, Claude, and Google AI Mode is quickly becoming a core marketing skill. More on that below.

1. SEO Crash Course with Brian Dean

Course provider: Semrush Academy

Duration: 50 minutes (7 video lessons)

Instructor: Brian Dean

Level: Beginner

Certificate: Yes

Link: SEO Crash Course

What you’ll learn

• How to find keywords people actually search for

• How to optimize your pages so Google understands and ranks them

• How to build backlinks without spammy tactics

• A step-by-step system for getting results from SEO

Brian Dean built Backlinko into one of the most cited SEO resources on the internet before joining Semrush. This course distills years of testing into a 50-minute crash course that covers keyword research, on-page optimization, and link building.

What makes it stand out is the teaching style. Dean breaks complex ideas into clear steps and shows exactly what to do at each stage. If you have one hour and want to walk away knowing how SEO works in practice, this is where to start.

The course also includes a certificate you can add to your LinkedIn profile.

2. SEO Course for Beginners

Course provider: Ahrefs Academy

Duration: 2 hours

Instructor: Sam Oh

Level: Beginner

Certificate: No

Link: SEO Course for Beginners

What you’ll learn

• What search engine optimization is and how it works

• Why SEO matters for any business with a website

• How to do keyword research to find what people are searching for

• How to optimize web pages so they rank higher

• Beginner link building strategies

• Technical SEO fundamentals

This is a comprehensive beginner course that covers all four pillars of SEO: keyword research, on-page optimization, technical SEO, and link building. Sam Oh walks through each topic with clear examples and shows how to apply concepts using real tools.

The course is well-paced and avoids filler. Each lesson builds on the previous one, so by the end of two hours, you have a solid understanding of how all the pieces of SEO fit together. It does not offer a formal certificate, but the knowledge is solid and the production quality is high.

3. SEO Certification Course

Course provider: HubSpot Academy

Duration: 3 hours 51 minutes

Instructor(s): Rachel Sheldon, Matthew Howells-Barby

Level: Beginner

Certificate: Yes

Link: SEO Certification Course

What you’ll learn

• How to evaluate and improve your website’s SEO

• How to build backlinks at scale

• How to use keyword research and reporting to improve search performance

• How to use SEO within a broader inbound marketing strategy

HubSpot’s course is designed for marketers, content creators, and anyone who wants to improve their website’s visibility in search. What sets it apart from other beginner courses is its focus on SEO as part of a larger marketing strategy. You will learn how SEO connects to content marketing, lead generation, and reporting.

The course includes practical lessons, real-world examples, and five quizzes that test your knowledge. Passing the quizzes earns you a HubSpot SEO certification, which carries name recognition with employers and clients.

One caveat: you need to create a free HubSpot Academy account to access the course.

4. Make Sure Customers Find You Online

Course provider: Google Skillshop

Duration: 3 hours

Instructor: Google

Level: Beginner

Certificate: Yes

Link: Make Sure Customers Find You Online

What you’ll learn

• How to get started with search

• How to make search work for your business

• How to help people nearby find you online

• The basics of online advertising (SEM) alongside SEO

This is Google’s own course on search visibility, and it is tailored for business owners who want to reach more customers online. It covers both organic search (SEO) and paid search (SEM), which makes it a good starting point if you want to understand the full search landscape.

The course is straightforward and practical. It does not go deep into technical details, but it teaches you how to think about search from a business perspective. If you run a small business and want to understand what SEO can do for you before diving into the technical courses, start here.

5. Google SEO Fundamentals

Course provider: University of California, Davis (via Coursera)

Duration: 28 hours

Instructor: Rebekah May

Level: Beginner

Certificate: Yes (Coursera career certificate)

Link: Google SEO Fundamentals

What you’ll learn

• How to complete a competitive analysis on a webpage

• How to create sitemaps, robots.txt files, plan redirects, and manage site errors

• How to use SEO tools to analyze audiences and develop buyer personas

• How search engines crawl, index, and rank content

This university-level course on Coursera covers SEO from an academic angle. It is thorough, well-structured, and gives you a deeper understanding of how search engines actually work behind the scenes.

The trade-off is time. At 28 hours, this is significantly longer than any other course on this list. If you want a quick start, this is not the right pick. But if you want a comprehensive foundation with the credibility of a university name behind it, this course delivers. The certificate you earn can be added to your LinkedIn profile or resume.

One thing to note: some SEOs in the past mistakenly claimed this was a “Google certification.” It is not. It is offered by UC Davis on Coursera. Google used to recommend it, but has since stopped linking to it directly.

6. SEO for Beginners Training

Course provider: Yoast

Duration: 2 hours

Instructor: Joost de Valk

Level: Beginner

Certificate: Yes

Link: SEO for Beginners Training

What you’ll learn

• What SEO is and what Google does

• Quick-win tips to improve your site

• How the content and technical sides of SEO work together

• How to make your site crawlable by search engines

If you use WordPress, this course is built for you. Yoast is the company behind the most popular SEO plugin for WordPress, and their beginner training covers SEO basics with a focus on practical improvements you can make to your site.

The course teaches you how to use keywords to optimize pages, how to write content that search engines favor, and how to avoid common technical mistakes that block search engines from indexing your site. It is short, clear, and practical. Completing it earns you a Yoast certificate and a badge you can display on your website.

Yoast also offers additional free courses on their Yoast SEO plugin, WordPress basics, and structured data. If you are on WordPress, these are worth completing as well.

7. SEO Essentials Certificate

Course provider: Moz Academy

Duration: ~5 hours

Instructor(s): Multiple Moz instructors

Level: Beginner

Certificate: Yes

Link: SEO Essentials Certificate

What you’ll learn

• SEO fundamentals and how search engines work

• Keyword research best practices

• On-page optimization techniques

• Link building essentials and how to earn quality backlinks

• How to set up and use Google Analytics for SEO reporting

This six-part course from Moz provides a well-rounded introduction to SEO. Moz has been in the SEO software space for over a decade, and their instructors bring deep practical expertise to the material.

What makes the Moz course stand out is its balance. It covers all the major topics without going so deep that beginners get lost, and it includes quizzes throughout to test your understanding. The final assessment earns you a Moz SEO Essentials Certification, which is well-recognized in the industry.

If you want a single course that gives you solid coverage across every major SEO topic and a credential to show for it, this is a strong choice.

8. Content-Led SEO with Brian Dean

Course provider: Semrush Academy

Duration: ~4 hours

Instructor: Brian Dean

Level: Intermediate

Certificate: Yes

Link: Content-Led SEO

What you’ll learn

• How to create content that ranks and drives targeted traffic

• How to build topic clusters and content hubs

• Content promotion and link building through great content

• How to measure and improve content performance

This course bridges the gap between content marketing and SEO. If you already know the basics and want to learn how to create content that consistently ranks and attracts links, this is the next step.

Brian Dean walks through his approach to creating content that earns backlinks naturally, building topical authority with content hubs, and promoting content so it actually gets seen. The course is practical and full of examples from real campaigns.

This is also a good pick for content writers, editors, and content strategists who want to understand how their work connects to search performance. Completing the course earns you a Semrush certificate.

9. Technical SEO Course

Course provider: Ahrefs Academy

Duration: 1 hour 21 minutes

Instructor: Sam Oh

Level: Beginner to intermediate

Certificate: No

Link: Technical SEO Course

What you’ll learn

• The fundamentals of technical SEO

• How to run a technical SEO audit

• How to fix common technical issues that affect rankings

• Page speed optimization and crawlability

Technical SEO is the foundation that supports everything else. If your site has crawling issues, slow page speeds, or broken links, no amount of content or link building will fix your rankings.

This course covers the essentials: how to audit your site for technical problems, how to fix the issues that matter most, and how to keep your site healthy over time. Sam Oh explains technical concepts in simple terms, making the course accessible even if you do not have a developer background.

At just over an hour, it is a quick but effective overview. If you want to go deeper into technical SEO, pair this with the Blue Array certification below.

Want to run a quick technical check right now? Try the Analyze AI Broken Link Checker to find broken links on your site for free.

10. Technical SEO Certification

Course provider: Blue Array Academy

Duration: 7 hours

Instructor: Damion Edwards

Level: Beginner to intermediate

Certificate: Yes

Link: Technical SEO Certification

What you’ll learn

• How to investigate a website from a technical SEO perspective

• Which tools to use and how to interpret the data

• How to crawl a site in the most efficient way

• What to check for Google’s Page Experience signals

• How to choose and implement structured data

• How to find and fix thin and duplicate content

• Common security issues and how to resolve them

• Internal linking optimization techniques

This is the most thorough free technical SEO course on this list. Blue Array is a UK-based SEO agency with deep expertise in technical SEO, and this certification covers everything from crawling and indexing to structured data and security.

At seven hours, it requires a real time commitment. But the depth is worth it if you handle website performance, work closely with developers, or want to build technical SEO as a core skill. The course covers site architecture, schema markup, internal linking, and page experience optimization in detail.

Completing the course and passing the assessment earns you a Blue Array Technical SEO Certification.

11. Local SEO Course

Course provider: Ahrefs Academy

Duration: 44 minutes

Instructor: Sam Oh

Level: Beginner

Certificate: No

Link: Local SEO Course

What you’ll learn

• How to optimize for local search results

• How to do local keyword research

• How to build local backlinks

• Google Business Profile optimization

If your business serves customers in a specific area, local SEO is how you show up when they search nearby. This short course covers the fundamentals: optimizing your Google Business Profile, finding local keywords, and building local citations and backlinks.

At 44 minutes, it is the shortest course on this list, but it is focused and practical. You can finish it over a lunch break and start implementing the same afternoon.

For local businesses, appearing in AI search is starting to matter too. When someone asks ChatGPT or Google AI Mode for recommendations, having your business information structured and visible across the web increases your chances of being mentioned. We cover this in our guide on how to get mentioned in AI search.

12. Advanced Link Building Course

Course provider: Ahrefs Academy

Duration: 1 hour 48 minutes

Instructor: Sam Oh

Level: Intermediate to advanced

Certificate: No

Link: Advanced Link Building Course

What you’ll learn

• How to find link prospects using the “seed and lookalike” approach

• How to validate link building campaigns with a “blitz list”

• How to craft personalized, benefit-rich outreach emails

• How to create, structure, and manage a link building team

• How to scale link building operations

Link building remains one of the hardest parts of SEO. Most courses either skip it or cover it at a surface level. This course is different. Sam Oh shares years of experience running real link building campaigns, from prospecting and outreach to hiring and managing a team.

If you are past the basics and need help building and scaling your link building operations, this is a must. The lessons on prospecting with lookalike audiences and crafting outreach emails that get replies are especially practical.

This course pairs well with our guide to link building tools if you want to explore the software side of the process.

Bonus: 3 Free AI Search and GEO Courses

SEO is evolving. In addition to ranking on Google, your content now needs to show up in AI-generated answers from ChatGPT, Perplexity, Claude, Gemini, Google AI Mode, and Microsoft Copilot. This new discipline is called generative engine optimization (GEO), and it builds directly on the SEO fundamentals you learn in the courses above.

The difference between SEO and GEO is not a matter of choosing one over the other. GEO is not a replacement for SEO. It is the next transformation of it. Search is expanding from ten blue links to prompt-shaped answers, and the brands that show up in both channels will have a compounding advantage.

Here are three free courses that will help you get started with AI search optimization.

13. Generative Engine Optimization (GEO): Get Cited by AI

Course provider: FreeAcademy.ai

Duration: 6–8 hours (8 modules)

Instructor(s): Multiple instructors

Level: Beginner to intermediate

Certificate: Yes

Link: GEO: Get Cited by AI

What you’ll learn: This course covers GEO fundamentals, platform-specific optimization for ChatGPT, Claude, Perplexity, and Google AI Overviews, and how to measure your AI search visibility. It includes quizzes, a final exam, and a free certificate upon completion.

This is the most comprehensive free GEO course available right now. It teaches you how AI models select and cite sources, what content formats perform best in AI-generated answers, and how to structure your pages so they get picked up across multiple AI platforms. If you complete only one GEO course, make it this one.

14. Introduction to Generative Engine Optimization

Course provider: Edureka (via Coursera)

Duration: ~4 hours

Instructor(s): Edureka team

Level: Beginner

Certificate: Yes (Coursera certificate)

Link: Introduction to GEO

What you’ll learn: This course covers how generative engines retrieve and rank content, how to apply GEO frameworks to improve content visibility, and how to design prompts, metadata, and content structures that align with how AI models reason.

This is a good starting point if you prefer a structured, academic-style course on the Coursera platform. It pairs well with the SEO fundamentals you learn in the UC Davis course (Course 5 on this list) because it shows how the same content quality principles apply to AI-generated search results.

15. Introduction to GEO (Open University)

Course provider: The Open University (OpenLearn Create)

Duration: ~2 hours

Instructor: Camille Sharon Kleinman

Level: Beginner

Certificate: Yes (Statement of Participation)

Link: Introduction to GEO

What you’ll learn: This course covers GEO basics, why AI chatbots recommend certain businesses over others, and provides a checklist of actions you can apply to your website right away to optimize for AI search visibility.

If you want a short, practical introduction to GEO without a large time commitment, this is a good pick. The course focuses on actionable steps rather than theory, so you can start implementing changes immediately after finishing.

How to Apply What You Learn (With AI Search in Mind)

Completing courses is the easy part. What separates people who learn SEO from people who actually rank is execution. Here is how to put your new skills into practice.

Start with one website. If you do not have one, create a simple blog or portfolio site. Pick a niche you care about, and use it as your testing ground. Apply the keyword research, on-page optimization, and technical SEO principles you learned. Track your rankings over time using a keyword rank checker and see what works.

Audit your site early and often. Use Google Search Console to monitor your site’s performance. Run your site through the Analyze AI Website Authority Checker to understand your starting point. Check for broken links using the Broken Link Checker. Fix technical issues before you invest heavily in content.

Do your own keyword research. Use the Analyze AI Keyword Generator to find keyword ideas. Check difficulty with the Keyword Difficulty Checker. Look at what is currently ranking with the SERP Checker. These free SEO tools let you do real keyword research without a paid subscription.

Check your AI search visibility. This is the step most people skip, and it is the biggest opportunity right now. AI platforms like ChatGPT, Perplexity, and Google AI Mode are already answering questions about your industry. The question is whether they are mentioning your brand.

With Analyze AI, you can track exactly which prompts mention your brand, which AI engines are sending traffic to your site, and where your competitors are winning in AI-generated answers.

The Overview dashboard shows you a summary of your brand’s AI search presence: which engines mention you most, how your visibility trends over time, and how your sentiment compares to competitors. This gives you a clear starting point for understanding your AI search performance.

The Prompts view shows the specific queries that AI engines answer about your industry. You can see your visibility percentage, sentiment score, and position for each prompt, along with which competitors appear alongside you. This helps you identify exactly where you are showing up and where you are missing from the conversation.

The AI Traffic Analytics dashboard connects to your Google Analytics and shows you exactly how many visitors are coming from each AI platform. You can see which engines are driving real sessions, how that traffic is trending, and which pages are landing the most AI-referred visits. This is how you tie AI visibility to actual business outcomes.

The Sources view reveals which domains and content types AI models cite when answering questions in your industry. This helps you understand what kind of content gets cited (blog posts, product pages, reviews) and which external sites are influencing AI answers in your space.

The Competitors view automatically identifies brands that are frequently mentioned alongside yours in AI responses. You can see how many times each competitor was mentioned, track them with one click, and start monitoring where they appear and you do not.

Tracking your AI search presence is becoming as important as monitoring your Google rankings. The courses on this list teach you the SEO fundamentals. Tools like Analyze AI help you extend those skills into the AI search channel.

More Free SEO Resources

If you want to keep learning after completing a course, here are some resources worth exploring.

LearningSEO.io is a community-curated roadmap of the best free SEO guides, tutorials, and tools on the internet. It organizes learning by topic (keyword research, technical SEO, link building, content optimization) and links to reliable resources from across the SEO community. Bookmark it as your ongoing reference.

Google Search Central documentation is the official resource from Google on how search works, what structured data to use, and how to debug indexing issues. It is technical but authoritative.

YouTube channels from practitioners like Sam Oh (Ahrefs), Brian Dean (Semrush/Backlinko), and Matt Diggity (Affiliate Lab) offer free tactical content you can apply immediately. These are not courses with a structured curriculum, but they cover individual topics in depth.

SEO communities like the r/SEO and r/bigseo subreddits, SEO Twitter/X, and Slack groups like Traffic Think Tank and Superpath let you ask questions, share wins, and learn from other practitioners.

And if you want to explore how AI search is changing SEO, our blog covers topics like how to rank on ChatGPT, how to rank on Perplexity, and AI search monitoring tools.

Final Thoughts

The best way to learn SEO is to do it. Courses give you the knowledge, but execution builds the skill.

Go through the courses that match your level. Take notes. But do not stop there. Build a site, publish content, and track your results. Try to rank a page. Try to earn a backlink. Debug a crawl error. That is how you turn theory into real SEO skill.

And while you are at it, start paying attention to AI search. The same content quality, technical clarity, and authority signals that make you rank in Google also help you appear in AI-generated answers. The only difference is that AI search is a newer channel with less competition and growing traffic.

SEO is not dead. It is evolving. And the marketers who learn both traditional SEO and AI search optimization will have the biggest advantage in 2026 and beyond.