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.

John Wiley & Sons
Skills you'll gain: Digital Advertising, Online Advertising, Retail Store Operations, Customer Analysis, Inventory and Warehousing, Customer Retention, Inventory Control, Google Ads, Pay Per Click Advertising, Customer experience improvement, Customer Insights, Order Management, Order Fulfillment, Inventory Management, Social Media Marketing, Market Opportunities, Marketing Strategies, E-Commerce, Digital Marketing, Web Design
Beginner · Specialization · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: E-Commerce, Social Media Marketing, Social Media, Social Media Strategy, Customer Relationship Management, Social Media Campaigns, Social Media Management, Digital Marketing, Business-To-Consumer, Marketing Strategies, Consumer Behaviour, Brand Management, Social Media Analytics, Customer Engagement, Market Research, Customer experience strategy (CX), B2B Sales, Content Marketing, Marketing Analytics, Search Engine Optimization
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Serverless Computing, Security Strategy, Network Security, Firewall, Cloud Management, Cyber Security Strategy, Distributed Denial-Of-Service (DDoS) Attacks, Cloud Services, System Monitoring, Cloud Security, Cloud Deployment, Application Security, Information Systems Security, Internet Of Things, Artificial Intelligence, Key Management
★ 4.7 (546) · Beginner · Course · 1 - 4 Weeks

KodeKloud
Skills you'll gain: Nginx, Proxy Servers, Hardening, Web Servers, Performance Tuning, Network Monitoring, Infrastructure Security, Network Performance Management, Linux Administration, Authentications, Security Controls, Application Performance Management, Network Troubleshooting, Network Security, System Monitoring, System Configuration, Load Balancing, Cybersecurity, DevOps, Computer Networking
Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Internet Of Things, Telecommunications, Communication Systems, Distributed Computing, Wireless Networks, Digital Communications, General Networking, Local Area Networks, Network Model, Network Routing, Routing Protocols, Embedded Software, Network Protocols, Global Positioning Systems
★ 4.7 (72) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Ggplot2, Software Documentation, Open Source Technology, R (Software), Plot (Graphics), Tidyverse (R Package), Package and Software Management, Web Scraping, Data Manipulation, Data Visualization Software, Leaflet (Software), R Programming, Data Wrangling, Data Visualization, Data Preprocessing, Technical Documentation, Unit Testing, Data Cleansing, Object Oriented Programming (OOP), Object Oriented Design
★ 4.2 (1.5K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Cyber Security Assessment, OSI Models, TCP/IP, Network Monitoring, Vulnerability Assessments, Network Security, Network Protocols, Vulnerability Management, Security Testing, Exploitation techniques, Intrusion Detection and Prevention, File Transfer Protocol (FTP), Network Analysis, Network Infrastructure, Firewall, Distributed Denial-Of-Service (DDoS) Attacks, Email Security, General Networking
Intermediate · Course · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: User Research, User Experience Design, User Experience, User Interface and User Experience (UI/UX) Design, Usability, Verification And Validation, UI/UX Research, UI/UX Strategy, Persona (User Experience), Internet Of Things, API Design, User Interface (UI), Embedded Software, Amazon Web Services, Cloud Computing Architecture, Embedded Systems, Application Programming Interface (API), Prototyping, User Interface (UI) Design, Software Development
★ 4.5 (148) · Intermediate · Specialization · 3 - 6 Months

Alex Genadinik
Skills you'll gain: Vibe coding, Prompt Engineering, AI powered creativity, Debugging, LLM Application, AI Personalization, Generative AI Agents, AI Product Strategy, Search Engine Optimization, Email Automation, AI literacy, Agentic Workflows, Large Language Modeling, Marketing Planning, AI Workflows, Artificial Intelligence, Generative AI, Photo/Video Production and Technology, Video Production, Presentations
★ 4.9 (8) · Beginner · Specialization · 3 - 6 Months

Sage Publications
Skills you'll gain: Sampling (Statistics), Research Design, Research Methodologies, Research, Qualitative Research, Data Ethics, Data Collection, Social Media Analytics, Data Capture, Web Scraping, Informed Consent, Ethical Standards And Conduct, Data Management, Information Privacy
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Looker (Software), Data Architecture, Data Governance, Cloud Storage, Dashboard Creation, Data Strategy, Data Storage, Data Visualization, Data Warehousing, Data Lakes, Statistical Visualization, Data Management, Data Presentation, Dashboard, Data Modeling, Interactive Data Visualization, Pivot Tables And Charts, Ad Hoc Reporting, Performance Tuning, Business Intelligence Software
★ 4.6 (481) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Grafana, System Monitoring, Dashboard, Network Monitoring, Event Monitoring, VMware ESX Servers, Continuous Monitoring, System Configuration, Systems Administration, Incident Management, Application Performance Management, IT Management, Linux, Cloud Management, Infrastructure Security, Servers, Network Infrastructure, Cloud Applications, Operations, Design
★ 4.8 (24) · Beginner · Specialization · 1 - 3 Months