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: TCP/IP, Network Protocols, Dynamic Host Configuration Protocol (DHCP), Network Security, OSI Models, Network Routing, Network Infrastructure, Software-Defined Networking, Local Area Networks, Virtualization
★ 4.7 (755) · Mixed · Course · 1 - 3 Months

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

Google Cloud
Skills you'll gain: Cloud Infrastructure, Prompt Engineering, Google Cloud Platform, Load Balancing, Infrastructure As A Service (IaaS), Cloud Applications, Identity and Access Management, Generative AI, Kubernetes, Cloud Computing, Virtual Networking, Network Routing, Cloud Storage, TCP/IP, Virtual Machines, Virtual Private Networks (VPN), Network Infrastructure, Containerization, General Networking, Network Architecture
★ 4.6 (87) · Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Network Monitoring, Virtual Networking, Google Cloud Platform, Computer Networking, Network Troubleshooting, Network Performance Management, Network Planning And Design, Network Security, Virtual Machines, Load Balancing
★ 4.8 (1.6K) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Computing Architecture, Cloud Services, Cloud Deployment, Cloud Security, Data Literacy, Cloud Infrastructure, Data Mining, Cloud Platforms, Cloud Computing, Cloud Storage, Infrastructure As A Service (IaaS), Big Data, Emerging Technologies, Hybrid Cloud Computing, Data Analysis, Data Science, Virtual Machines, Digital Transformation, Data-Driven Decision-Making, Business
★ 4.7 (107K) · Beginner · Specialization · 3 - 6 Months

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
★ 4.3 (1.2K) · Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Network Troubleshooting, Network Monitoring, Virtual Networking, Google Cloud Platform, General Networking, Network Administration, Network Infrastructure, Virtual Machines, Firewall, Load Balancing
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Prompt Engineering, Google Cloud Platform, Cloud Infrastructure, Kubernetes, Load Balancing, Infrastructure As A Service (IaaS), Generative AI, Cloud Services, Containerization, Cloud Storage, Virtual Machines, Network Routing, Cloud Computing, Virtual Networking, TCP/IP, General Networking, Identity and Access Management, Computer Networking, Network Infrastructure, Virtual Private Networks (VPN)
★ 4.5 (706) · Intermediate · Specialization · 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
★ 5 (8) · Intermediate · Course · 3 - 6 Months

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
★ 4.5 (37) · Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Web Scraping, Restful API, Web Services, JSON, Extensible Markup Language (XML), Network Protocols, Application Programming Interface (API), Data Processing, Hypertext Markup Language (HTML), Python Programming, Data Manipulation, Software Installation
★ 4.8 (45K) · Beginner · Course · 1 - 3 Months

Institut Mines-Télécom
Skills you'll gain: Wireless Networks, Network Security, Network Architecture, Computer Networking, Mobile Security, Network Protocols, Telecommunications, Network Performance Management, Network Routing, Encryption, Capacity Management
★ 4.7 (134) · Intermediate · Course · 1 - 3 Months