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 Leeds
Skills you'll gain: Test Case, Software Testing, Software Quality Assurance, Quality Assurance, User Acceptance Testing (UAT), Test Planning, Verification And Validation, Acceptance Testing, System Testing, White-Box Testing, Unit Testing, Functional Testing, Integration Testing, Software Development Life Cycle, Software Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Relationship Management, Rapport Building, Business Development, Customer Retention, Communication, Business Communication, Stakeholder Engagement, Market Opportunities, Organizational Development, Upselling, Active Listening
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Medical Billing and Coding, Denial Management, Patient Registration, Revenue Cycle Management, ICD Coding (ICD-9/ICD-10), Payment Processing and Collection, CPT Coding, Medical Billing, Medical Coding, Billing, Revenue Management, Managed Care, Medicare, Medicaid
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: LinkedIn, Professional Networking, Social Media, Social Media Content, Professional Development
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Theoretical Computer Science, Algorithms, Graph Theory, Data Structures, Operations Research, Public Key Cryptography Standards (PKCS), Cryptography, Programming Principles, Computational Thinking, Pseudocode, Design Strategies, Computer Science, Tree Maps, Encryption, Linear Algebra, Combinatorics, Mathematical Modeling, Advanced Mathematics, IBM Cloud, Python Programming
Build toward a degree
Advanced · Specialization · 1 - 3 Months

IE Business School
Skills you'll gain: Survey Creation, Surveys, Market Research, Business Research, Consumer Behaviour, Marketing Strategies, Research Design, Data Analysis, Research Reports, Market Analysis, Research Methodologies, Experimentation, Customer Analysis, Focus Group, Business Marketing, Decision Making
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Probability, Probability & Statistics, Probability Distribution, Bayesian Statistics, Statistical Methods, Data Analysis, Statistical Analysis, Artificial Intelligence
Build toward a degree
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Molecular Biology, Biology, Biostatistics, Biotechnology, Environmental Science, Scientific Methods, Mathematical Modeling
Mixed · Course · 1 - 3 Months

Skills you'll gain: Prioritization, Productivity, Strategic Prioritization, Productivity Software, Ability To Meet Deadlines, Personal Development, Workflow Management, Goal Setting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Test Driven Development (TDD), Version Control, Git (Version Control System), GitHub, Performance Tuning, Unit Testing, Data Structures, Java Programming, Algorithms, Software Testing, Java, Computer Programming, Software Development, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Medical Privacy, Medical Office Procedures, Medical Records, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Health Information Management and Medical Records, Electronic Medical Record, Patient Registration, Medical History Documentation, Records Management, Information Privacy, Patient Communication
Beginner · Course · 1 - 4 Weeks

Northwestern University
Skills you'll gain: Leadership, Negotiation, Organizational Leadership, Teamwork, Leadership Development, Leadership and Management, Team Management, Team Building, People Development, Collaboration, Professional Development, Employee Coaching, Personal Development, Emotional Intelligence, Decision Making, Goal Setting
Mixed · Course · 1 - 4 Weeks