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.

Universidad de los Andes
Skills you'll gain: Arithmetic, Geometry, Mathematics Education, Systems Of Measurement, General Mathematics
★ 4.9 (352) · Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Angular, Cascading Style Sheets (CSS), JavaScript Frameworks, UI Components, Front-End Web Development, Web Applications, Hypertext Markup Language (HTML), Web Development, Development Environment
★ 4.2 (49) · Beginner · Course · 1 - 4 Weeks

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
★ 4.6 (298) · Intermediate · Guided Project · Less Than 2 Hours

University of California San Diego
Skills you'll gain: Digital pedagogy, digital literacy, Education Software and Technology, Computational Thinking, Social Impact, Geospatial Information and Technology, Computer Networking, Media and Communications, Digital Communications, Data Centers, Algorithms, Global Positioning Systems
★ 4.9 (39) · 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)
★ 4.7 (50) · Beginner · Course · 1 - 3 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
★ 5 (245) · Intermediate · Course · 1 - 3 Months

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

Skills you'll gain: Digital Assets, Blockchain, Emerging Technologies, FinTech, Business Transformation, Digital Transformation, Systems Design, Organizational Structure, Case Studies, Scalability, Business Strategy, Governance
★ 4.6 (115) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Virtual Machines, Microsoft Azure, Infrastructure As A Service (IaaS), Cloud Infrastructure, Cloud Computing Architecture, Virtualization and Virtual Machines, Cloud Deployment, Firewall, Cloud Computing, Network Security, Virtual Networking, Web Servers, Network Administration, Remote Access Systems, Application Deployment
★ 4.5 (225) · Beginner · Guided Project · Less Than 2 Hours

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
★ 4.6 (77) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Finite Element Methods, Engineering Analysis, Simulation and Simulation Software, Simulations, Mechanical Design, Mathematical Modeling, Structural Engineering, Structural Analysis, 3D Modeling
★ 4.7 (217) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: File Management, Version Control, Document Management, Data Sharing, Collaborative Software, Cloud Storage, Data Storage, Data Loss Prevention
★ 4.6 (92) · Beginner · Guided Project · Less Than 2 Hours