HTML, CSS, and JavaScript courses can help you learn web page structure, styling, and interactivity, along with responsive design and accessibility practices. You can build skills in creating layouts, implementing animations, and optimizing user experiences across different devices. Many courses introduce tools like code editors, version control systems, and browser developer tools, that support testing and refining your projects. By mastering these skills and tools, you’ll be well-equipped to develop engaging websites and applications.

Columbia University
Skills you'll gain: Portfolio Management, Derivatives, Financial Market, Securities (Finance), Investment Management, Asset Management, Credit Risk, Mortgage Loans, Mathematical Modeling, Applied Mathematics, Estimation, Capital Markets, Financial Modeling, Risk Modeling, Portfolio Risk, Regression Analysis, Market Liquidity, Futures Exchange, Risk Management, Actuarial Science
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Cyber Threat Hunting, Cyber Threat Intelligence, Threat Modeling, Penetration Testing, Threat Detection, MITRE ATT&CK Framework, Cryptography, Security Testing, Application Security, Encryption, Cybersecurity, Vulnerability Scanning, AI Security, Vulnerability Assessments, Exploitation techniques, Test Planning
Intermediate · Course · 1 - 3 Months

EDHEC Business School
Skills you'll gain: Investment Management, Portfolio Management, Text Mining, Portfolio Risk, Asset Management, Network Analysis, Data Visualization Software, Investments, Machine Learning Methods, Return On Investment, Unstructured Data, Predictive Modeling, Web Scraping, Machine Learning, Social Network Analysis, Financial Statements, Applied Machine Learning, Financial Market, Financial Modeling, Risk Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Target Market, Sales Strategy, Marketing Planning, Marketing, Sales Process, Sales, Marketing Strategy and Techniques, Marketing Analytics, Digital Marketing, Brand Management, Market Opportunities, Market Research, Business Metrics, Customer Analysis
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: AI Orchestration, AI Workflows, LangChain, Agentic Workflows, Tool Calling, LangGraph, LLM Application, Agentic systems, Generative AI Agents, Responsible AI, Retrieval-Augmented Generation, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Application Design, Prompt Engineering, Large Language Modeling, Context Management, Software Design Patterns, Software Development, Vector Databases
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Computer Networking, Network Troubleshooting, TCP/IP, Network Architecture, Network Protocols, OSI Models, Network Routing, Network Infrastructure, Dynamic Host Configuration Protocol (DHCP), Virtual Private Networks (VPN), Network Security, Wireless Networks, Network Model, Data Integrity
Beginner · Course · 1 - 3 Months

Skills you'll gain: Supply Chain, Demand Planning, Supply Chain Management, Supply Chain Planning, Process Improvement, Capacity Planning, Logistics Management, Sustainable Business, Analytics, Corporate Sustainability, Scheduling, Inventory Management System, Forecasting, Data Analysis, Security Management, Expense Management, Operating Expense, Risk Management, Data Visualization, Problem Solving
Beginner · Course · 1 - 3 Months

Skills you'll gain: User Research, Cascading Style Sheets (CSS), User Experience Design, User Experience, Design Research, Linux Commands, Usability, Debugging, User Interface (UI), Software Versioning, Software Visualization, Web Content Accessibility Guidelines, Pseudocode, JavaScript Frameworks, User Interface and User Experience (UI/UX) Design, Javascript, Web Applications, Event-Driven Programming, Unit Testing, Application Programming Interface (API)
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

University of Pennsylvania
Skills you'll gain: Social Network Analysis, Social Media Marketing, Social Media, Consumer Behaviour, Content Creation, Influencing, Advertising, Marketing, Marketing Psychology, Brand Strategy, Storytelling, Communication
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Computer Vision, Convolutional Neural Networks, Transfer Learning, Model Evaluation, Machine Learning Methods, Classification Algorithms, Machine Learning Algorithms, Visualization (Computer Graphics), Deep Learning, Feature Engineering, Network Architecture
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Supply Chain Management, Supply Chain Planning, Supply Chain, Inventory Management System, Demand Planning, Supply Chain Systems, Materials Management, Forecasting, Customer Demand Planning, AI Enablement, Supplier Management, Risk Mitigation, Transportation, Supply Chain, and Logistics, Risk Analysis, Business Risk Management, Automation, Risk Management, Business Process Automation
Beginner · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Oil and Gas, Petroleum Industry, Hazard Analysis, Safety Standards, Environmental Resource Management, Energy and Utilities, Environmental Regulations, Environment Health And Safety, Big Data, Plant Operations and Management, Waste Minimization, Process Engineering, Chemical Engineering, Risk Analysis, Environmental Engineering, Failure Mode And Effects Analysis, Data Management, Pump Stations, Data Processing, Process Control
Advanced · Specialization · 3 - 6 Months