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: OSI Models, Network Security, Security Controls, Wireless Networks, Network Protocols, Firewall, Network Administration, TCP/IP, Telecommunications, Proxy Servers, Distributed Denial-Of-Service (DDoS) Attacks, Network Infrastructure, Intrusion Detection and Prevention, Remote Access Systems, Authentications
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: TCP/IP, Network Architecture, Network Routers, Networking Hardware, General Networking, Network Security, Dynamic Host Configuration Protocol (DHCP), Network Infrastructure, Network Troubleshooting, Computer Networking, Network Protocols, Network Switches, Virtual Local Area Network (VLAN), Scalability
Beginner · Course · 3 - 6 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Search Engine Optimization, Web Analytics, Semantic Web, Performance Metric, Digital Marketing, Algorithms, Personalized Service, Text Mining, User Feedback, Natural Language Processing, User Research, Data Structures
Intermediate · Course · 3 - 6 Months

Kennesaw State University
Skills you'll gain: Email Security, Wireless Networks, Mobile Security, Incident Response, Cybersecurity, Personally Identifiable Information, Cyber Attacks, Firewall, General Networking, Threat Detection, Cyber Security Policies, Computer Security Awareness Training, Proxy Servers, Computer Security Incident Management, Network Security, Security Awareness, Cyber Threat Intelligence, Virtual Private Networks (VPN), Information Privacy, Social Media
Beginner · Specialization · 3 - 6 Months

Institut Mines-Télécom
Skills you'll gain: Network Engineering, Wireless Networks, Network Security, Network Architecture, Computer Networking, Network Infrastructure, Mobile Security, Network Protocols, Telecommunications, Network Performance Management, Network Routing, Digital Communications, Dataflow, Encryption
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: OSI Models, Computer Networking, Virtualization, Data Centers, Virtual Networking, General Networking, Network Architecture, Network Protocols, TCP/IP, Network Infrastructure, Local Area Networks
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Border Gateway Protocol, Routing Protocols, Multiprotocol Label Switching, Network Routing, Network Routers, Virtual Private Networks (VPN), Network Troubleshooting, Configuration Management
Intermediate · Course · 1 - 4 Weeks

28DIGITAL
Skills you'll gain: Real-Time Operating Systems, Embedded Systems, Embedded Software, Internet Of Things, Security Requirements Analysis, Network Architecture, Network Security, Operating Systems, Cybersecurity, Web Services, Encryption, Network Protocols, Public Key Cryptography Standards (PKCS), System Programming, Simple Object Access Protocol (SOAP), Application Development, System Requirements, C (Programming Language), System Design and Implementation, Software Development
Intermediate · Specialization · 3 - 6 Months

Northeastern University
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, Web Design, HTML and CSS, Web Content Accessibility Guidelines, User Interface (UI), Hypertext Markup Language (HTML), User Interface and User Experience (UI/UX) Design, Front-End Web Development, Javascript, Usability, Web Applications, Semantic Web, Data Validation
Beginner · Course · 1 - 3 Months

The State University of New York
Skills you'll gain: Cyber Threat Intelligence, Cyber Security Policies, Cybersecurity, International Relations, Cyber Governance, Network Infrastructure, Conflict Management, Security Management, Political Sciences, Media and Communications, Psychology
Mixed · Course · 1 - 3 Months

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

Skills you'll gain: Network Monitoring, Routing Protocols, Software-Defined Networking, TCP/IP, Network Routing, Open Shortest Path First (OSPF), Dynamic Host Configuration Protocol (DHCP), Network Performance Management, System Monitoring, Network Planning And Design, Disaster Recovery, Computer Networking, Network Architecture, Virtual Local Area Network (VLAN), Network Administration, Network Protocols, Border Gateway Protocol, Document Management, Software Installation
Intermediate · Course · 1 - 3 Months