Free Digital Marketing, SEO, AEO & Growth certifications
Search, AI answer engines, paid, social, email and growth. 39 free tests from beginner to advanced, every question based on a published source, with a verifiable certificate you can add to LinkedIn.
Founder, Science of AppsWhat are the best free Marketing, SEO & AEO certifications?
Science of Apps has 39 free Digital Marketing, SEO, AEO & Growth certifications and skill tests: search, AI answer engines, paid, social, email and growth. 15 beginner, 18 intermediate, 6 advanced — each a timed online test of original scenarios based on published standards, graded instantly, with a verifiable, LinkedIn-ready certificate.
Beginner Marketing, SEO & AEO certifications
No experience needed: fundamentals and clear reasoning.
- 10 questions · 10 minSOA-DMF
Digital Marketing Fundamentals Certification
Tests the foundations of digital marketing — the funnel, channels (search, social, email, paid), audiences and targeting, content, measurement and budgets.
Difficulty: BeginnerFor Digital marketing executive, Marketing coordinator, Small business ownerTake the 10-minute test → - 10 questions · 10 minSOA-SEO
Search Engine Optimization (SEO) Certification
Tests modern SEO — how Google crawls, indexes and ranks pages, helpful content and E-E-A-T, keywords and intent, on-page and technical basics, links and AI Overviews.
Difficulty: BeginnerFor SEO specialist, Content marketer, Digital marketerTake the 10-minute test → - 10 questions · 10 minSOA-OPS
On-Page SEO Certification
Tests on-page SEO — matching intent, titles and meta descriptions, headings, content structure, internal links, images and alt text, URLs and snippets.
Difficulty: BeginnerFor SEO executive, Content writer, BloggerTake the 10-minute test → - 10 questions · 10 minSOA-LSEO
Local SEO Certification
Tests local SEO — Google Business Profile, relevance, distance and prominence, reviews, NAP consistency, local pages and citations, and local reporting.
Difficulty: BeginnerFor Local business owner, SEO specialist, Agency marketerTake the 10-minute test → - 10 questions · 10 minSOA-KWR
Keyword Research and Search Intent Certification
Tests keyword research — finding topics, search intent types, volume vs difficulty, long-tail keywords, SERP analysis, clustering and prioritising by business value.
Difficulty: BeginnerFor SEO executive, Content marketer, PPC specialistTake the 10-minute test → - 10 questions · 10 minSOA-GA4
Google Analytics 4 Fundamentals Certification
Tests GA4 — the event-based model, key events, engagement metrics, reports and explorations, UTM tracking, consent mode, data retention and BigQuery export.
Difficulty: BeginnerFor Digital marketer, Marketing analyst, Web analystTake the 10-minute test → - 10 questions · 10 minSOA-GADS
Google Ads and Paid Search Fundamentals Certification
Tests paid search — campaign types, keywords and match types, Quality Score, responsive search ads, bidding and Smart Bidding, Performance Max, conversion tracking and budgets.
Difficulty: BeginnerFor PPC specialist, Paid search manager, Digital marketerTake the 10-minute test → - 10 questions · 10 minSOA-PSA
Paid Social Advertising Certification
Tests paid social across Meta, TikTok, LinkedIn and others — objectives, audiences, creative for feeds and short video, budgets, measurement and platform policies.
Difficulty: BeginnerFor Paid social specialist, Social media manager, Performance marketerTake the 10-minute test → - 10 questions · 10 minSOA-SMM
Social Media Marketing Certification
Tests social media marketing — platform choice, content planning, short-form video, community management, social listening, analytics and brand safety.
Difficulty: BeginnerFor Social media manager, Content creator, Community managerTake the 10-minute test → - 10 questions · 10 minSOA-INFM
Influencer Marketing Certification
Tests influencer marketing — choosing creators by fit and audience quality, briefs, contracts and usage rights, disclosure rules, fraud checks and measuring results.
Difficulty: BeginnerFor Influencer marketing manager, Brand marketer, Social media managerTake the 10-minute test → - 10 questions · 10 minSOA-EMA
Email Marketing and Automation Certification
Tests email marketing — consent and list building, deliverability (SPF, DKIM, DMARC), segmentation, automated flows, copy and design, testing and metrics after Apple MPP.
Difficulty: BeginnerFor Email marketer, CRM manager, Lifecycle marketerTake the 10-minute test → - 10 questions · 10 minSOA-AFFM
Affiliate Marketing Certification
Tests affiliate marketing — programme models, commissions and cookie windows, tracking, recruiting partners, disclosure rules, fraud prevention and SEO considerations.
Difficulty: BeginnerFor Affiliate manager, Partnerships manager, Content creatorTake the 10-minute test → - 10 questions · 10 minSOA-COPY
Copywriting and Conversion Copywriting Certification
Tests copywriting that converts — customer research and voice-of-customer, headlines, benefits over features, clarity, CTAs, objections, proof and testing.
Difficulty: BeginnerFor Copywriter, Content marketer, Marketing managerTake the 10-minute test → - 10 questions · 10 minSOA-CDR
Content Distribution and Repurposing Certification
Tests how to get content seen — owned, earned and paid distribution, repurposing long-form into formats per channel, communities, newsletters, timing and measurement.
Difficulty: BeginnerFor Content marketer, Social media manager, Marketing coordinatorTake the 10-minute test → - 10 questions · 10 minSOA-YTSE
YouTube SEO and Channel Growth Certification
Tests YouTube growth — how videos are discovered, titles and thumbnails, CTR and retention, chapters, Shorts, analytics, consistency and community.
Difficulty: BeginnerFor YouTuber, Video marketer, Content creatorTake the 10-minute test →
Intermediate Marketing, SEO & AEO certifications
Assumes hands-on experience in the role.
- SpecialistSOA-ASO
App Store Optimization (ASO) Certification
Certifies that you can grow app installs organically — keyword research and metadata, store creative, ratings and reviews, and store experiments, localisation and in-app events on the App Store and Google Play.
Difficulty: IntermediateFor ASO Specialist, App Marketing Manager, Mobile Growth ManagerEarn Certified ASO Specialist → - ProfessionalSOA-GM
Growth Marketing Certification
Certifies that you can grow a product sustainably — acquisition channels and unit economics, lifecycle and retention marketing, growth loops and virality, and experiments and attribution.
Difficulty: IntermediateFor Growth Marketer, Digital Marketing Manager, Performance MarketerEarn Certified Growth Marketer → - 15 questions · 15 minSOA-OFFS
Off-Page SEO and Link Earning Certification
Tests off-page SEO — earning quality links, digital PR, linkable assets, brand mentions, toxic link patterns and staying within Google's link spam policies.
Difficulty: IntermediateFor Link builder, Digital PR specialist, SEO managerTake the 15-minute test → - 15 questions · 15 minSOA-ESEO
E-commerce SEO Certification
Tests e-commerce SEO — category and product page optimisation, faceted navigation, product structured data, Merchant Center feeds, out-of-stock handling and site speed.
Difficulty: IntermediateFor E-commerce SEO specialist, E-commerce manager, Shopify store ownerTake the 15-minute test → - 15 questions · 15 minSOA-AEO
Answer Engine Optimization (AEO) Certification
Tests answer engine optimisation — structuring content to be chosen as the direct answer in featured snippets, voice assistants and AI answers, with question research and concise, trustworthy answers.
Difficulty: IntermediateFor SEO specialist, Content strategist, Content writerTake the 15-minute test → - 15 questions · 15 minSOA-GEO
Generative Engine Optimization (GEO) Certification
Tests generative engine optimisation — how ChatGPT, Gemini, Claude, Perplexity and AI Overviews find and cite sources, and how to make content citable with statistics, quotes, clear structure and crawler access.
Difficulty: IntermediateFor SEO specialist, Content strategist, Digital PR managerTake the 15-minute test → - 15 questions · 15 minSOA-AISV
AI Search Visibility and Citation Readiness
Tests how to audit and improve a brand's visibility in AI Overviews, ChatGPT, Perplexity, Gemini and Copilot — crawlability, citable formats, entity consistency and reporting.
Difficulty: IntermediateFor SEO lead, Content strategist, PR managerTake the 15-minute test → - 15 questions · 15 minSOA-SCHM
Structured Data and Schema Markup Certification
Tests structured data — schema.org vocabulary, JSON-LD, Google-supported rich result types, required properties, validation, matching visible content and policy limits.
Difficulty: IntermediateFor Technical SEO specialist, Web developer, SEO managerTake the 15-minute test → - 15 questions · 15 minSOA-CSTC
Content Strategy and Topic Clusters Certification
Tests content strategy — audience and goals, pillar pages and topic clusters, internal linking, editorial calendars, content audits and measuring content ROI.
Difficulty: IntermediateFor Content strategist, Content marketing manager, SEO leadTake the 15-minute test → - 15 questions · 15 minSOA-AICO
AI-Assisted Content Operations Certification
Tests how content teams run AI-assisted workflows — briefs, drafting, editing and review gates, brand voice, scaling responsibly, governance and measuring quality.
Difficulty: IntermediateFor Content operations manager, Managing editor, Content marketing leadTake the 15-minute test → - 15 questions · 15 minSOA-CQFC
Content Quality and Editorial Fact-Checking Certification
Tests editorial quality — fact-checking, sourcing, quotes and statistics, corrections, plain language, bias, E-E-A-T signals and editorial standards.
Difficulty: IntermediateFor Editor, Fact-checker, Content writerTake the 15-minute test → - 15 questions · 15 minSOA-GSC
Search Analytics and Google Search Console Certification
Tests Search Console analysis — performance metrics, queries and pages, CTR and position, indexing reports, sitemaps, Core Web Vitals reports and diagnosing changes.
Difficulty: IntermediateFor SEO analyst, SEO specialist, Content marketerTake the 15-minute test → - 15 questions · 15 minSOA-META
Meta Ads Campaign Optimization Certification
Tests Meta (Facebook and Instagram) ads optimisation — campaign structure, Advantage+ campaigns and audiences, the learning phase, creative testing, Conversions API and reading results.
Difficulty: IntermediateFor Meta ads specialist, Media buyer, Performance marketerTake the 15-minute test → - 15 questions · 15 minSOA-LCM
Lifecycle Marketing and Retention Certification
Tests lifecycle marketing — onboarding, activation, engagement, retention and win-back journeys across email, push and in-app, with segmentation and measurement.
Difficulty: IntermediateFor Lifecycle marketer, CRM manager, Retention marketerTake the 15-minute test → - 15 questions · 15 minSOA-GEXP
Growth Experimentation Certification
Tests running a growth experimentation programme — finding opportunities, hypotheses, prioritisation, test design, learning velocity and sharing results.
Difficulty: IntermediateFor Growth marketer, Growth product manager, CRO specialistTake the 15-minute test → - 15 questions · 15 minSOA-BSP
Brand Strategy and Positioning Certification
Tests brand strategy — positioning against alternatives, target audience, value proposition, brand architecture, voice and identity, consistency and measuring brand health.
Difficulty: IntermediateFor Brand manager, Marketing manager, Brand strategistTake the 15-minute test → - 15 questions · 15 minSOA-MRES
Market Research Certification
Tests market research — research design and qualitative and quantitative methods, sampling and questionnaire design, and analysis, market sizing and reporting insights, following ESOMAR professional standards.
Difficulty: IntermediateFor Market research analyst, Consumer insights manager, Marketing managerTake the 15-minute test → - 15 questions · 15 minSOA-ECAN
E-commerce Analytics Certification
Tests e-commerce analytics — funnel and conversion metrics, GA4 e-commerce tracking, UTMs and attribution, and customer and product analytics such as AOV, CLV, cohorts, RFM and ROAS.
Difficulty: IntermediateFor E-commerce analyst, Digital marketing analyst, E-commerce managerTake the 15-minute test →
Advanced Marketing, SEO & AEO certifications
Assumes years in the role or deep specialist knowledge.
- SpecialistSOA-CRO
Conversion Rate Optimization (CRO) Certification
Certifies that you can find and fix conversion leaks with evidence — funnel analysis, research, hypothesis design, A/B testing and landing-page and checkout UX.
Difficulty: AdvancedFor CRO Specialist, Conversion Rate Optimizer, Growth DesignerEarn Certified CRO & Growth Designer → - 20 questions · 20 minSOA-TSEO
Technical SEO Certification
Tests technical SEO — crawlability, indexing controls, canonicalisation, robots.txt vs noindex, redirects, JavaScript rendering, Core Web Vitals, structured data and site architecture.
Difficulty: AdvancedFor Technical SEO specialist, SEO manager, Web developerTake the 20-minute test → - 20 questions · 20 minSOA-ISEO
International SEO Certification
Tests international SEO — URL structures, hreflang implementation, x-default, localisation vs translation, geotargeting signals and avoiding automatic redirects.
Difficulty: AdvancedFor International SEO specialist, Global marketing manager, SEO consultantTake the 20-minute test → - 20 questions · 20 minSOA-SEOA
SEO Auditing and Troubleshooting Certification
Tests how to audit and fix SEO problems — traffic drops, indexing issues, crawl errors, cannibalisation, algorithm updates, migrations and prioritising fixes.
Difficulty: AdvancedFor SEO manager, Technical SEO specialist, SEO consultantTake the 20-minute test → - 20 questions · 20 minSOA-PSEO
Programmatic SEO Strategy Certification
Tests programmatic SEO — finding scalable query patterns, unique data per page, templates, indexation control, internal linking and avoiding scaled content abuse.
Difficulty: AdvancedFor SEO lead, Growth engineer, Product marketerTake the 20-minute test → - 20 questions · 20 minSOA-MAM
Marketing Attribution and Measurement Certification
Tests modern marketing measurement — attribution models, incrementality and holdouts, marketing mix modelling, privacy changes, data quality and triangulating results.
Difficulty: AdvancedFor Marketing analyst, Head of growth, Performance marketing leadTake the 20-minute test →
More free certification categories
- AI & GenAI36 tests
- Software & web dev33 tests
- Data & BI28 tests
- UX/UI & design42 tests
- Product & project35 tests
- Security, cloud & DevOps50 tests
- Sales & support24 tests
- HR & people14 tests
- Finance & operations69 tests
- Communication & leadership30 tests
- Languages60 tests
- Healthcare, education & more64 tests
- Test prep & academics31 tests
- Language exam prep15 tests
- Office & productivity13 tests
- Engineering & safety30 tests
- Hospitality & retail8 tests
Frequently asked questions
What are the best free Marketing, SEO & AEO certifications in 2026?
Science of Apps offers 39 free Digital Marketing, SEO, AEO & Growth certifications and skill tests, including Conversion Rate Optimization (CRO) Certification, App Store Optimization (ASO) Certification, Growth Marketing Certification, Digital Marketing Fundamentals Certification, Search Engine Optimization (SEO) Certification, Technical SEO Certification. Each is a timed online test of original scenarios based on published standards, graded instantly, with a founder-signed certificate and a credential ID employers can verify.
Which Marketing, SEO & AEO certification should I take first?
Start with a Beginner test such as Digital Marketing Fundamentals Certification, Search Engine Optimization (SEO) Certification, On-Page SEO Certification, then move to Intermediate and Advanced ones such as Conversion Rate Optimization (CRO) Certification, Technical SEO Certification. Every test page shows its difficulty, the skills it covers and a sample question.
Are these Marketing, SEO & AEO certifications really free?
Yes. Taking a test, receiving the certificate as a PDF and by email, adding it to LinkedIn and having it verified are all free — no course, payment or sign-up.
How long does each Marketing, SEO & AEO test take?
Quick skill tests are 10, 15 or 20 questions (Beginner, Intermediate or Advanced) at a minute each; full role certifications are 20 scenarios in 30 minutes. Every answer is explained with its source when you finish, and a retake draws questions you haven't seen.
How much do Science of Apps certifications cost?
Nothing. There is no fee to take a test, to receive the certificate, to have it emailed or to verify it, and no sign-up.
How are the tests graded?
On our server, not in your browser. The answers never reach the page until you submit, so a certificate can only be earned by passing. Each certificate gets a unique credential ID stored by Science of Apps.
What happens if I don't pass?
You see your score for each area and every question with the correct answer and why, with the published source behind it. You can retake after 30 minutes, and the retake draws questions you haven't seen yet.
Do the certificates expire?
No. Every certificate is dated, so it always shows when you passed. Retake a test any time for a newer date or a higher score.
Can I add the certificate to LinkedIn?
Yes. After you pass, Add to LinkedIn opens the Licenses & certifications form with the certificate name, Science of Apps as the issuer, the issue date, your credential ID and the verification link filled in. You can also download it as a PDF or PNG, and it's emailed to you as a PDF.
How can an employer verify my certificate?
Every certificate has a credential ID and a QR code. Scanning it, or entering the ID at scienceofapps.com/certification/verify/, shows the holder's name, the certification, the score and the issue date from our records.
Are these accredited qualifications?
No. They are Science of Apps' own assessments of applied skill. They aren't issued by a university or standards body, and they work best alongside a portfolio that shows the skills in real work.