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.

Royal Holloway, University of London
Skills you'll gain: Computer Security Incident Management, Linux, Network Security, Cyber Governance, OSI Models, Incident Management, Incident Response, Security Management, Linux Commands, TCP/IP, Computer Systems, Threat Modeling, Command-Line Interface, Network Protocols, Computer Networking, Cybersecurity, Cyber Security Strategy, Human Factors (Security), Cyber Threat Intelligence, Cyber Attacks
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Expense Management, Travel Arrangements, Auditing, Accounts Payable, Accounting, Cost Control, Compliance Auditing, Compliance Management, Fraud detection, Decision Making, Document Management, Record Keeping, Verification And Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Preprocessing, Data Visualization, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Governance, General Data Protection Regulation (GDPR), Data Management, Data Strategy, Metadata Management, Data Architecture, Compliance Management, Data Storage Technologies, Data Integration, Data Maintenance, Data Processing, Data Storage, MLOps (Machine Learning Operations), Data Quality, Extract, Transform, Load, Regulatory Requirements, Data Preprocessing, Scalability, Data Validation, Expense Management
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Operations Research, Algorithms, Graph Theory, Linear Algebra, Combinatorics, Computational Thinking, Mathematical Modeling, Theoretical Computer Science, Python Programming
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Health Policy, Climate Change Adaptation, Policy Analysis, Environmental Policy, Social Determinants Of Health, Health Systems, Environmental Issue, Sustainable Development, Climate Change Mitigation, Policy Development, Public Health, Environmental Science, International Relations, Governance, Research
Beginner · Course · 1 - 3 Months

Skills you'll gain: LangChain, Hugging Face, Prompt Engineering, Retrieval-Augmented Generation, Model Evaluation, Large Language Modeling, CrewAI, OpenAI API, Generative AI Agents, LLM Application, Vector Databases, Tool Calling, ChatGPT, Responsible AI, Embeddings, AI Enablement, AI Workflows, OpenAI, Generative AI, Python Programming
Intermediate · Specialization · 1 - 3 Months
Amazon Web Services
Skills you'll gain: Responsible AI, Amazon Bedrock, AWS SageMaker, AI Enablement, Model Deployment, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, LLM Application, Large Language Modeling, Machine Learning
Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Sales Presentations, Brainstorming, Ideation, Selling Techniques, Marketing Communications, Advertising, Business Marketing, Promotional Strategies, Presentations, Consultative Selling, Persuasive Communication, Business Writing, Employee Surveys, Public Speaking, Influencing, Vocabulary
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Salesforce, Authentications, Salesforce Development, Data Access, Role-Based Access Control (RBAC), Security Controls, Data Security, Authorization (Computing), Event Monitoring, Application Security, Security Strategy, Data Sharing, Responsive Web Design, Compliance Reporting, User Accounts, Application Development, Mobile Development, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unix, Unix Commands, Network Protocols, Network Troubleshooting, TCP/IP, OS Process Management, File Management, General Networking, File Transfer Protocol (FTP), Network Administration, Linux, Operating Systems, Network Security
Intermediate · Course · 1 - 4 Weeks

Tecnológico de Monterrey
Skills you'll gain: Negotiation, Emotional Intelligence, Communication, Conflict Management, Relationship Building, Interpersonal Communications, Collaboration, Empathy, Active Listening, Critical Thinking
Intermediate · Course · 1 - 4 Weeks