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: Open Web Application Security Project (OWASP), Mobile Security, Microsoft Intune (Mobile Device Management Software), Network Security, Cybersecurity, Cryptography, Penetration Testing, Intrusion Detection and Prevention, Vulnerability Assessments, Wireless Networks, Encryption, Application Security, Exploitation techniques, Web Applications, Cloud Security, Internet Of Things
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Network Security, Network Troubleshooting, Proxy Servers, Network Monitoring, Cloud Security, Intrusion Detection and Prevention, Firewall, Google Cloud Platform, Threat Detection, Network Analysis, Identity and Access Management
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Semantic Web, Web Content, Information Architecture, Web Design and Development, Web Development, Front-End Web Development
Beginner · Guided Project · Less Than 2 Hours

University of California San Diego
Skills you'll gain: Big Data, Cybersecurity, Pedagogy, Data Security, Cryptography, Information Privacy, Encryption, Responsible AI, AI Personalization, Computer Science, Information Technology, Web Applications, Web Servers, Machine Learning, Supervised Learning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Network Protocols, Network Performance Management, Network Monitoring, Network Troubleshooting, Threat Detection, Network Analysis, TCP/IP, Web Servers, Intrusion Detection and Prevention, Network Security
Intermediate · Guided Project · Less Than 2 Hours

University of California San Diego
Skills you'll gain: Blockchain, Teaching, Emerging Technologies, Computer Networking, Internet Of Things, Digital pedagogy, Computer Science, Social Impact, Cybersecurity, Information Privacy, Encryption, Virtual Private Networks (VPN), Distributed Denial-Of-Service (DDoS) Attacks
Beginner · Course · 1 - 3 Months

Pohang University of Science and Technology(POSTECH)
Skills you'll gain: Internet Of Things, Wireless Networks, General Networking, Emerging Technologies, Electronic Hardware, Embedded Systems, Information Technology Architecture, Software Architecture, Computing Platforms, Computer Programming Tools, Problem Solving
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Network Performance Management, Network Monitoring, Performance Tuning, Virtual Networking, Google Cloud Platform, Performance Testing, Network Analysis, Hardware Architecture, Intranet
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Embedded Software, Unified Modeling Language, Embedded Systems, Internet Of Things, Software Development Life Cycle, Systems Architecture, Systems Design, Technical Design, Systems Engineering, Real-Time Operating Systems, Prototyping, Requirements Analysis
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Network Protocols, Network Troubleshooting, Network Planning And Design, Network Routing, TCP/IP, Computer Networking, Dynamic Host Configuration Protocol (DHCP), Network Routers, Network Security, Local Area Networks, Network Switches, File Transfer Protocol (FTP)
Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Bioinformatics, Algorithms, Data Structures, Text Mining, Theoretical Computer Science, Computational Thinking
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Version Control, Hypertext Markup Language (HTML), GitHub, Git (Version Control System), HTML and CSS, Cascading Style Sheets (CSS), Web Design and Development, Web Development, Web Design, Image Quality, Web Content, Front-End Web Development, Web Servers, Semantic Web, Cloud Hosting
Beginner · Course · 1 - 4 Weeks