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: Legal Risk, Commercial Laws, Contract Management, Contract Review, Commercial Banking, Lease Contracts, Legal Writing, E-Commerce, Banking, Negotiation
Beginner · Course · 1 - 4 Weeks

EC-Council
Skills you'll gain: Penetration Testing, Threat Management, Distributed Denial-Of-Service (DDoS) Attacks, Cloud Security, Vulnerability Assessments, Security Testing, Network Security, Cyber Security Assessment, Cybersecurity, Cloud Computing, Cyber Attacks, Brute-force attacks, Exploitation techniques, Human Factors (Security), Web Applications, Mobile Security, Internet Of Things, Wireless Networks
★ 4.6 (619) · Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Electronics, Internet Of Things, Electronic Components, Embedded Systems, Basic Electrical Systems, Electronic Hardware, Electrical and Computer Engineering, Wireless Networks, Hardware Design, Peripheral Devices, Electrical Wiring, Control Systems, Human Machine Interfaces, Automation Engineering, Programming Principles, Computer Systems, Computer Programming, Systems Engineering, Remote Access Systems, Interactive Learning
★ 4.7 (4K) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Cloud Services, Virtualization, Cloud Computing, Virtual Machines, Cloud Platforms, Cloud Storage, Cloud Infrastructure, Virtual Private Networks (VPN), Public Cloud, Virtual Networking, Infrastructure As A Service (IaaS), Cloud Computing Architecture, Cloud Management, Data Storage, Database Management Systems, Scalability
★ 4.5 (2.8K) · Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Web Scraping, Data Structures, Generative AI, Version Control, Git (Version Control System), Matplotlib, Data Visualization, Web Development, Debugging, Data Literacy, Scripting, Flask (Web Framework), Plotly, Data Ethics, GitHub, Containerization, DevOps, Automation, Data Analysis, Cloud Computing
★ 4.4 (763) · Beginner · Professional Certificate · 3 - 6 Months

University of California, Davis
Skills you'll gain: Search Engine Optimization, Keyword Research, Web Analytics and SEO, Content Optimization, Content Strategy, Marketing, Content Creation, Social Media
★ 4.8 (3.7K) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Data Wrangling, Exploratory Data Analysis, Database Design, Data Presentation, Ggplot2, Data Visualization Software, Data Visualization, Relational Databases, Statistical Visualization, Data Collection, Predictive Modeling, Statistical Analysis, Data Analysis, Rmarkdown, Model Evaluation, Shiny (R Package), SQL, R (Software), Data Manipulation, Web Scraping
★ 4.5 (1.3K) · Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Fraud detection, Google Gemini, Decision Intelligence, Demand Planning, Personalized Campaigns, Customer experience improvement, User Feedback, Customer Insights, Gemini, Text Mining, E-Commerce, AI Personalization, AI Enablement, Email Automation, Customer Demand Planning, Customer Analysis, AI powered creativity, Retail Store Operations, AI literacy, Design Software
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Prompt Engineering, Search Engine Optimization, Web Analytics and SEO, Frontend Performance, AI Workflows, Content Optimization, Information Architecture, Vibe coding, Semantic Web, No-Code Development
Beginner · Course · 1 - 3 Months

Chegg Skills
Skills you'll gain: Marketing Budgets, Performance marketing, Campaign Planning, Paid media, Digital Advertising, Bidding, Campaign Management, Advertising Campaigns, Online Advertising, Digital Marketing Campaigns, Advertising, Digital Marketing, Budget Management, Marketing, Cost Management, Marketing Communications, Marketing Strategy and Techniques, Strategic Planning, Resource Allocation, Target Audience
Beginner · 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