Internet courses can help you learn web development, digital marketing, cybersecurity, and data analytics. You can build skills in coding languages like HTML, CSS, and JavaScript, as well as search engine optimization (SEO) and online advertising strategies. Many courses introduce tools such as Google Analytics for tracking website performance, WordPress for content management, and various coding frameworks to streamline development processes.

Skills you'll gain: Exploratory Data Analysis, NumPy, Data Visualization, Data Analysis, Plot (Graphics), Seaborn, Matplotlib, Statistical Visualization, Cloud Computing, Jupyter, Dimensionality Reduction, Data Science, Unsupervised Learning, Scikit Learn (Machine Learning Library), Machine Learning Methods, Numerical Analysis, Python Programming, Data Manipulation
Intermediate · Guided Project · Less Than 2 Hours

Peking University
Skills you'll gain: Language Interpretation, Translation, and Studies, Natural Language Processing, Quality Assurance, Multilingualism, Technical Communication, Collaborative Software, Vocabulary
Intermediate · Course · 3 - 6 Months

Universidade de São Paulo
Skills you'll gain: Infectious Diseases, Epidemiology, Infection Control, Microbiology, Public Health and Disease Prevention, Public Health, Maternal Health, Biology, Health Education, Immunology, Child Health, Prenatal Care, Preventative Care, Mitigation, Drug Development
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Network Troubleshooting, Scenario Testing, Desktop Support, Hardware Troubleshooting, Help Desk Support, Cloud Infrastructure, Information Technology, Technical Support, Technical Support and Services, Network Infrastructure, Cloud Computing, Simulations, System Support, General Networking, Cloud Services, Computer Hardware, Computer Networking, Network Security, Operating Systems
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Ethics, Dashboard Creation, Dashboard, Power BI, Business Intelligence, Interactive Data Visualization, Data Presentation, Data Visualization, Data Visualization Software, Data-Driven Decision-Making, Business Reporting, Business Analytics, Data Analysis Expressions (DAX), Data Security, Ethical Standards And Conduct, Microsoft Power Platform, Data Management, Data Analysis, Performance Tuning, Role-Based Access Control (RBAC)
Beginner · Course · 1 - 3 Months

University of London
Skills you'll gain: Cryptography, Cryptographic Protocols, Application Security, Cybersecurity, Data Security, Encryption, Vulnerability Assessments, Information Systems Security, Key Management, Public Key Infrastructure, Mobile Security, Data Integrity
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Technical Analysis, Google Sheets, Spreadsheet Software, Market Data, Cloud Computing, Data Visualization, Trend Analysis
Beginner · Guided Project · Less Than 2 Hours

University of Maryland, College Park
Skills you'll gain: Search Engine Marketing, Search Engine Optimization, Web Analytics and SEO, Digital Marketing, Online Advertising, Return On Investment, Media Planning, Consumer Behaviour, Cross-Channel Marketing, Digital Media Strategy, Digital Advertising, Digital Marketing Tools, Digital Marketing Campaigns, Marketing Channel, Social Media Marketing, Marketing Strategies, Marketing Effectiveness, Paid media, Digital Transformation, Business Analysis
Beginner · Course · 1 - 3 Months

Fundação Instituto de Administração
Skills you'll gain: Logistics Management, Logistics, Transportation, Supply Chain, and Logistics, Transportation Management, Inventory and Warehousing, Supply Chain Management, Supply Chain Systems, Supply Chain Planning, Supply Chain, Warehousing, Strategic Planning, Order Delivery, Warehouse Management, Internet Of Things, Service Level, Automation, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Exploitation techniques, Border Gateway Protocol, Malware Protection, Cybersecurity, Routing Protocols, Internet Of Things, Network Security, Cyber Attacks, Threat Detection, Network Monitoring, Network Routing, Network Analysis, Cyber Risk, Network Protocols, Vulnerability Assessments, Docker (Software), Containerization
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Generative AI Agents, LangChain, LLM Application, AI Orchestration, Agentic systems, Agentic Workflows, Development Environment, Generative AI, Model Evaluation, Artificial Intelligence, AI literacy, Scalability, Performance Tuning, Model Optimization, Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Experience Design, UI/UX Research, Information Architecture, Storyboarding, Wireframing, User Research, User Story, Adobe XD, Usability Testing, Figma (Design Software), User Experience, User Interface and User Experience (UI/UX) Design, Design Reviews, Design Research, Experience Design, Conceptual Design, Graphic and Visual Design, User Centered Design, Ideation, Persona (User Experience)
Beginner · Professional Certificate · 3 - 6 Months