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.

University of Colorado System
Skills you'll gain: Infrastructure Security, Public Safety and National Security, Cybersecurity, Cyber Security Strategy, Security Management, Cyber Attacks, Cyber Security Policies, Threat Management, Computer Security, Policty Analysis, Research, and Development, World History
★ 4.7 (383) · Beginner · Course · 1 - 4 Weeks

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

Coursera
Skills you'll gain: Microsoft Azure, Internet Of Things, Cloud Services, Network Routing, Data Store, Data Storage, Cloud Solutions, Data Storage Technologies
★ 4.5 (20) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Networking Hardware, General Networking, Network Architecture, Wireless Networks, Network Protocols, Computer Networking, TCP/IP, Local Area Networks, Network Security, Network Troubleshooting, System Configuration, Wide Area Networks, Servers
★ 4.5 (295) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Product Lifecycle Management, Manufacturing and Production, Manufacturing Processes, Product Engineering, Robotic Process Automation, Manufacturing Operations, Production Process, Industrial Engineering, Business Process Automation, Automation, Enterprise Resource Planning, Product Development, Supply Chain Management, Energy and Utilities, Plant Operations and Management, Internet Of Things, Robotics, Digital Transformation, Data Integration, Real Time Data
★ 4.6 (24) · Intermediate · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Language Interpretation, Translation, and Studies, Quality Assurance, Natural Language Processing, Information Technology, Vocabulary, Multilingualism
★ 4.6 (83) · Intermediate · Course · 3 - 6 Months

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

Johns Hopkins University
Skills you'll gain: Large Language Modeling, Email Security, Exploitation techniques, AI Security, Border Gateway Protocol, Malware Protection, Mobile Security, LLM Application, Cybersecurity, Routing Protocols, Network Security, Open Web Application Security Project (OWASP), Network Monitoring, TCP/IP, Intrusion Detection and Prevention, Security Controls, Threat Detection, Network Analysis, Internet Of Things, AI Integrations
★ 3.9 (11) · Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Application Deployment, Web Applications, Application Servers, Java, Web Servers, Java Programming, Web Development, Server Side, Application Frameworks, Network Protocols
★ 4.5 (79) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Finite Element Methods, Simulation and Simulation Software, Engineering Analysis, Simulations, Engineering, Verification And Validation
★ 4.6 (254) · Beginner · Guided Project · Less Than 2 Hours

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 (223) · Beginner · Guided Project · Less Than 2 Hours

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