All coursesMarketing

Learn the whole growth stack the way it is actually run.

  • Free
  • 8 weeks
  • Beginner
See the outline

Read the guide: How to learn digital marketing for free, step by step

Digital marketing performance dashboard tracking multi-channel conversions, SEO traffic, and campaign analytics
Accredited Curriculum & Certification
Official Syllabus Snapshot

Direct Answer: Learn the whole growth stack the way it is actually run — funnel maths, keyword research, on-page and technical SEO, content, links, analytics, paid, email and social — with real numbers on every decision.

Tuition Fee
100% Free
Duration & Workload
~11 Hours
Curriculum Depth
12 Chapters · 48 Lessons
Credential Awarded
Verified Certificate
12Chapters

Course outline

The funnel maths that decides where to spend, the positioning that makes every channel cheaper, and the keyword research that follows from both.

  • The Funnel and the Numbers That Move It13 min
  • Positioning: Choosing Who You Are For12 min
  • Keyword Research and Search Intent15 min
  • Competitor Analysis and the Keyword Gap13 min

The elements on the page itself: what the title and description have to do, how headings and internal links carry meaning, and the markup that changes how your result looks.

  • Titles, Meta Descriptions, and Headings14 min
  • Internal Linking and Site Architecture13 min
  • Structured Data and Rich Results12 min
  • Images, Alt Text, and URL Slugs12 min

Getting found by the crawler, staying in the index, passing the speed thresholds, and winning the map pack.

  • Crawling, Indexing, Canonicals, and Sitemaps15 min
  • Core Web Vitals and Mobile14 min
  • Local SEO and the Map Pack13 min
  • JavaScript Rendering and Crawl Budget14 min

Planning and writing pages that earn their position, acquiring links you could defend in an audit, and reporting numbers that survive scrutiny.

  • Content Strategy and Writing That Ranks14 min
  • Link Building That Survives an Audit13 min
  • Analytics: Goals, Reports, and Attribution15 min
  • E-E-A-T and the Evidence a Page Carries13 min

Buying attention without overpaying for it, owning an audience nobody can take away, and using social for the job it is actually good at.

  • Paid Basics: Search vs Social, Bidding, and Quality Score15 min
  • Email Marketing13 min
  • Social Media Strategy12 min
  • Retargeting and Audience Building13 min

Finding the leak before you test anything, running experiments whose results you could defend in a meeting, and building landing pages that keep the promise the ad made.

  • Finding the Leak Before You Test It13 min
  • Running an A/B Test You Can Trust15 min
  • Landing Pages and Message Match13 min
  • Fixing the Checkout13 min

What to do when the graph falls off a cliff, how to move a site without losing the rankings you earned, and how to split a fixed budget between channels that all claim the credit.

  • Diagnosing a Traffic Drop14 min
  • Site Migrations Without Losing Rankings13 min
  • Splitting the Budget and Reporting It14 min
  • Forecasting and the Annual Plan14 min

The problems that only appear at hundreds of thousands of URLs and several markets: what the crawler really fetches, where the index fills with junk, and how one site serves many languages without competing with itself.

  • Log File Analysis: What Googlebot Actually Fetches14 min
  • Faceted Navigation, Parameters, and Index Bloat14 min
  • Building Thousands of Pages Without Building Junk13 min
  • Hreflang and Running One Site in Many Markets14 min

Rebuilding measurement for a world where a large share of visitors decline cookies: moving the tag onto your own server, feeding real revenue back from the CRM, and staying inside the rules while you do it.

  • Consent Mode and the Data You Never Collect13 min
  • Server-Side Tagging and the Conversion API14 min
  • Offline Conversions and Closing the CRM Loop14 min
  • First-Party Data and What You Are Allowed to Keep13 min

Separating the sales your marketing actually caused from the sales the platforms merely reported, using geo holdouts, mix modelling, and a calendar of tests that keeps both honest.

  • Why Three Platforms All Claim the Same Sale13 min
  • Designing a Geo Holdout Test14 min
  • Marketing Mix Modelling and Its Limits14 min
  • Calibrating the Model With a Year of Experiments14 min

Reading retention as a cohort curve, working out what a customer is worth after contribution margin and payback, and building the lifecycle programme that decides how much you can afford to spend acquiring the next one.

  • Cohort Analysis and the Retention Curve13 min
  • Contribution Margin, Payback, and the CAC You Can Afford14 min
  • Lifecycle Programmes: Onboarding, Reorder, and Win-Back13 min
  • Churn, Discount Dependence, and Customers Worth Losing13 min

What to do when the results page stops sending clicks, when one platform owns most of your demand, and when the growth model that got you here has run out of room.

  • AI Overviews, Zero-Click Search, and What Still Earns a Visit13 min
  • Getting Cited by AI Assistants, and Measuring It13 min
  • Platform Dependency and Concentration Risk14 min
  • Saturation, the Growth Ceiling, and Changing the Model14 min

Final exam & certificate

  1. 01

    Topic checks

    Each one opens the next topic

  2. 02

    Chapter quizzes

    Each one opens the next chapter

  3. 03

    50-question final

    50 of 100 marks to pass

  4. 04

    Certificate

    Issued instantly, verifiable

One attempt, 60 minutes. If you don't pass, you can retake once after 30 days.

The course guide

How to learn digital marketing for free, step by step

A hand holding a green mug in front of a laptop showing pie and bar charts

You can learn digital marketing for free if you learn it in the right order and practise on one real business the whole way through. Start with the numbers that decide where money should go, then learn search, because SEO teaches you how people actually look for things. After that come analytics, paid ads, email and social. Most free material online teaches these as separate tricks. The skill employers and clients pay for is knowing which one to use, and proving it worked.

This guide gives you a step by step roadmap, the mistakes that waste the most time, and an exact breakdown of our free Digital Marketing & SEO course, which follows the same order and ends in a free certificate.

What "digital marketing" actually covers

The term is wide enough to be useless, so it helps to split it into the jobs a marketer actually does:

AreaThe question it answers
Strategy and positioningWho are we for, and why should they pick us over the alternative?
SEOHow do people find us when they search, without us paying per click?
ContentWhat do we publish that deserves to rank and gets shared?
AnalyticsWhich of our efforts produced sales, and which only produced activity?
Paid search and socialHow do we buy attention without overpaying?
EmailHow do we reach people we already have, for almost nothing?
Social mediaWhere do we build familiarity and trust over time?
Conversion rate optimisationWhy are visitors arriving and then leaving without buying?

You do not need to master all eight, but you need to see how they connect.

Architectural Blueprint and Learning Stages for How to learn digital marketing for free, step by step — Cortexis Roadmap Diagram
Figure 1: Complete step-by-step architectural workflow and technical execution stages for How to learn digital marketing for free, step by step.

How to learn digital marketing for free: the roadmap

Work through these in order. Each step depends on the one before it.

Step 1: learn the funnel and its numbers

Every campaign moves one number in a chain: people who saw you, visited, viewed a product, added to basket, started checkout, bought, and bought again. Write that chain down with real figures and many arguments answer themselves. If half the people who start checkout abandon it, buying more traffic just pays to fill a leaking bucket.

Step 2: positioning before tactics

Positioning is one sentence: who you are for, the one benefit, the alternative you beat, and the proof. It makes every channel cheaper.

Step 3: keyword research and search intent

Learn to read what a search result page is telling you. If every result for a query is a product page, Google has decided the searcher wants to buy, and a blog post will struggle there. If every result is a guide, a product page will struggle.

Step 4: on-page and technical SEO

Titles, meta descriptions, headings, internal links and structured data are the on-page part. Crawling, indexing, canonicals, sitemaps, Core Web Vitals and local search are the technical part. Use Google Search Console on any site you can get access to. It is free and it shows you what Google actually sees.

Plan content in clusters around topics rather than one-off posts, and build links you would be comfortable explaining in an audit.

Step 6: analytics and attribution

Set up conversions in an analytics tool (Google Analytics 4 calls them key events) and learn why three different platforms can all claim the same sale. This is where many beginners stop, and it is exactly the skill that separates a marketer who reports activity from one who reports results.

Step 7: paid, email and social

Only now spend money. With tracking in place, you can tell whether an ad is profitable instead of guessing. Email and social round it out: email for the audience you own, social for familiarity and reach.

Pick one practice business and keep it

The single most useful thing you can do is choose one business and use it for every exercise. A relative's shop, a home baker on Instagram, a tuition centre, or a business you invent with realistic details. For it, you then:

  1. Write its funnel with estimated numbers.
  2. Write its positioning sentence.
  3. Build a keyword map of twenty to thirty searches it should appear for.
  4. Rewrite the title and description of its main pages.
  5. Check its Google Business Profile, if it has a physical location.
  6. Plan three months of content.
  7. Draft a small paid campaign and a welcome email.

At the end you have a portfolio piece that shows thinking. If the business has no website yet, our post on what a website actually costs in Pakistan explains what goes into one, and you can build a simple one yourself with the free WordPress course.

Mistakes that waste months

  • Collecting tools instead of skills. Knowing ten SEO tools by name is worth less than understanding why a page is crawled but not indexed.
  • Starting with ads. Paid traffic sent to a page with a broken funnel teaches you only that ads are expensive.
  • Trusting one platform's report. Every ad platform grades its own homework. Compare against your actual orders.
  • Chasing volume over intent. A smaller search that matches what you sell beats a large one that does not.

What the free Digital Marketing & SEO course covers

The Digital Marketing & SEO course is rated Beginner and planned as eight weeks. It has 12 chapters and 48 lessons, about eleven hours of reading in total. You follow one example business, a coffee roaster called Riverbend, through every channel, with real numbers on every decision.

ChapterWhat you learn
1. Strategy and Search IntentThe funnel and its numbers, positioning, keyword research and intent, competitor analysis and the keyword gap
2. On-Page SEOTitles, meta descriptions and headings, internal linking, structured data and rich results, images, alt text and URL slugs
3. Technical SEO and Local SearchCrawling, indexing, canonicals and sitemaps, Core Web Vitals and mobile, local SEO and the map pack, JavaScript rendering and crawl budget
4. Content, Links, and MeasurementContent strategy, link building that survives an audit, analytics and attribution, E-E-A-T
5. Paid, Email, and SocialSearch vs social ads, bidding and Quality Score, email marketing, social strategy, retargeting
6. Conversion Rate Optimisation and TestingFinding the leak, running A/B tests you can trust, landing pages and message match, fixing the checkout
7. Traffic Drops, Migrations, and BudgetDiagnosing a traffic drop, site migrations without losing rankings, splitting the budget, forecasting
8. Large-Site and International SEOLog file analysis, faceted navigation and index bloat, programmatic pages, hreflang
9. Consent, Server-Side Tracking, and First-Party DataConsent mode, server-side tagging and conversion APIs, offline conversions, what data you may keep
10. Incrementality, Experiments, and Mix ModellingWhy platforms all claim the same sale, geo holdout tests, marketing mix modelling and its limits
11. Retention, Cohorts, and Unit EconomicsRetention curves, contribution margin and payback, lifecycle emails, churn and discount dependence
12. AI Search, Platform Risk, and the Growth ModelAI Overviews and zero-click search, getting cited by AI assistants, platform dependency, growth ceilings

The first six chapters are the core a beginner needs. Chapters 7 to 12 go further than most free material does, into the problems that appear once a business is spending real money and the reports start disagreeing.

Every lesson has a short quiz and each chapter ends with a chapter quiz. The next chapter opens once you finish the lessons and pass that quiz.

Who this is for, and who it is not

It suits students who want a marketing job or internship, freelancers who want to offer SEO or ads services with more than guesswork behind them, and small business owners who want to understand what their agency is doing. You do not need to code, though a little HTML helps in the technical SEO chapter.

It is not a quick social media growth guide. If what you mainly want is to post better on Instagram, TikTok and Facebook, the Social Media Marketing course is the better starting point. If you want to sell these skills to clients, pair this course with Freelancing on Upwork and Fiverr.

How long it takes to learn digital marketing

The course is planned as eight weeks, with roughly eleven hours of lessons plus the time you spend on quizzes and your practice business. The first six core chapters are about five and a half hours of reading, so at an hour a day you can work through them, quizzes included, in two to three weeks. Being job ready takes longer, and what shortens it is a practice project with results you can show.

How the free certificate works

When you have completed every lesson and passed every chapter quiz, the final exam opens: 50 questions, 60 minutes, and a pass mark of 50 out of 100. You get one timed attempt. If you do not pass, a retake opens 30 days later, with the same questions in a new order and the options shuffled. Pass, and the certificate is issued free.

The certificate shows you finished a structured course and passed a timed exam. It is not a Google or Meta platform certification, and it will not replace a portfolio. We wrote more about what certificates are really worth in are free online certificates worth anything.


Ready to start? Open the free Digital Marketing & SEO course, pick your practice business, and work through chapter 1 this week.

Questions, answered

06 questions