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.

University of Colorado System
Skills you'll gain: Public Key Infrastructure, Cybersecurity, Application Security, Data Security, Cyber Attacks, Information Assurance, Network Security, Risk Management Framework, Security Controls, Key Management, Threat Modeling, Authorization (Computing), Encryption, Data Integrity, Authentications, Vulnerability Assessments
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Requirements Management, Robotic Process Automation, Requirements Elicitation, Business Process Automation, Requirements Analysis, User Requirements Documents, Business Requirements, Stakeholder Engagement, Business Analysis, Automation, Business Process, Process Analysis, Stakeholder Communications, Project Scoping, Process Mapping, Business Strategy
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cybersecurity, Cyber Operations, Data Persistence, Exploitation techniques, Persistence, Intrusion Detection and Prevention, Scripting, Python Programming, Microsoft Windows
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AWS Kinesis, Amazon DynamoDB, Amazon S3, Data Pipelines, Amazon CloudWatch, Cloud Storage, Real Time Data, AWS Identity and Access Management (IAM), Data Storage, Database Management Systems, Data Management, Data Infrastructure, Cloud Security, Encryption, Scalability
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Governance, Compliance Management, Business Ethics, Certified Public Accountant, Regulatory Compliance, Corporate Accounting, Ethical Standards And Conduct, Accountability, Public Accounting, Accounting, Auditing, Financial Management, Stakeholder Management
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, Flask (Web Framework), Application Deployment, Web Applications, Python Programming, AI Enablement, Server Side, Artificial Intelligence, Code Review, Debugging, Integrated Development Environments, Programming Principles, Unit Testing
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Medical Privacy, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Health Information Management, Security Awareness, Personally Identifiable Information, Encryption, Health Care, Health Care Procedure and Regulation, Data Security, Cyber Attacks, Medical Records, Information Privacy, Cloud Computing, Patient Safety
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Emergency and Intensive Care, Cardiopulmonary Resuscitation (CPR), Automated External Defibrillator, Emergency Medicine, First Aid, Patient Advocacy, Acute Care, Mental and Behavioral Health, Nephrology, Pharmacology, Patient Communication, Patient Evaluation, Clinical Assessment, Physiology, Substance Abuse, Anatomy
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Delegation Skills, Legal Technology, Critical Thinking, Responsible AI, Time Management, AI Enablement, Artificial Intelligence, Experimentation, Advocacy, Legal Strategy, AI Workflows, Email Automation, Lifelong Learning, Professional Development, Constructive Feedback, Adaptability, Leadership, Creativity, Generative AI, Communication
Beginner · Specialization · 1 - 3 Months

Tsinghua University
Skills you'll gain: Data Structures, Algorithms, Pseudocode, Theoretical Computer Science, Computer Programming
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: AWS CloudFormation, Amazon Web Services, Amazon Elastic Compute Cloud, Event-Driven Programming, Serverless Computing, Event Monitoring, Software Engineering
Beginner · Guided Project · Less Than 2 Hours

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Kinesiology, Applied Machine Learning, Bayesian Network, Machine Learning, Data-Driven Decision-Making, Epidemiology, Load Balancing, Health Education, Data Integration, Systems Engineering, Psychological Evaluations
Beginner · Course · 1 - 4 Weeks