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.

Johns Hopkins University
Skills you'll gain: Risk Modeling, Operations Research, Regression Analysis, Microsoft Excel, Business Analytics, Risk Analysis, Business Process Modeling, Business Modeling, Data Modeling, Resource Allocation, Analysis, Statistical Analysis, Mathematical Modeling, Process Optimization, Financial Analysis, Statistical Methods, Predictive Analytics, Transportation Operations, Complex Problem Solving, Linear Algebra
Intermediate · Course · 1 - 3 Months
University of Toronto
Skills you'll gain: Programming Principles, Debugging, File I/O, Software Documentation, Python Programming, Computer Programming, Program Development, Integrated Development Environments, Algorithms, Data Structures, Development Environment
Beginner · Course · 1 - 3 Months

Skills you'll gain: Dashboard, Web Scraping, Data Analysis, Data Presentation, Real Time Data, Data Visualization Software, Graphing, Pandas (Python Package), Data Science, Data Wrangling, Jupyter, Python Programming, Data Collection
Intermediate · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: HTML and CSS, Responsive Web Design, Hypertext Markup Language (HTML), Web Design and Development, Bootstrap (Front-End Framework), Web Design, Cascading Style Sheets (CSS), Web Development, Front-End Web Development, UI Components, Typography
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Malware Protection, Identity and Access Management, Incident Response, Cybersecurity, Network Security, Threat Detection, Cyber Attacks, Authentications, Security Awareness, Digital Forensics, Security Controls, Infrastructure Security, Multi-Factor Authentication, Human Factors (Security)
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Oncology, Medical Imaging, Patient Education And Counseling, Diagnostic Radiology, Radiation Therapy, Molecular Biology, Diagnostic Tests, Clinical Trials, Pain Management, Preventative Care, Treatment Planning, Urology, Patient Treatment, Immunology, Epidemiology, Surgery, Cell Biology, Care Management, Biology, Pathology
Beginner · Specialization · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Multimedia, Liberal Arts, Social Justice, Oral Expression, Music, World History, Creativity, Aesthetics, Writing and Editing
Beginner · Course · 1 - 3 Months

Skills you'll gain: User Experience Design, Persona (User Experience), Responsive Web Design, Human Centered Design, Design, Design Research, Design Thinking, Usability Testing, Prototyping, Generative AI, Storytelling
Beginner · Course · 1 - 4 Weeks
University of Leeds
Skills you'll gain: Stakeholder Management, Stakeholder Engagement, Engineering Management, Scope Management, Risk Management, Project Finance, Project Scoping, Program Management, Stakeholder Analysis, Project Management, Business Risk Management, Governance, Project Management Life Cycle, Project Performance, Contract Management, Financial Analysis, Project Risk Management, Project Implementation, Project Design, Return On Investment
Intermediate · Specialization · 3 - 6 Months
Stanford University
Skills you'll gain: Cryptography, Data Encryption Standard, Encryption, Key Management, Advanced Encryption Standard (AES), Public Key Cryptography Standards (PKCS), Cybersecurity, Authentications, Data Integrity, Secure Coding, Algorithms, Computational Thinking
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Electrical Engineering, Numerical Analysis, Linear Algebra, Physics, Angular, Applied Mathematics, Advanced Mathematics, Mathematical Modeling, Engineering Analysis, Calculus, Differential Equations, Simulations, Physical Science
Build toward a degree
Intermediate · Specialization · 1 - 3 Months
Duke University
Skills you'll gain: Bayesian Statistics, Statistical Hypothesis Testing, Sampling (Statistics), Statistical Inference, Exploratory Data Analysis, Peer Review, Regression Analysis, R (Software), Statistical Reporting, Probability Distribution, Statistical Analysis, Statistics, Data Analysis Software, Data Analysis, Probability & Statistics, Probability, R Programming, Statistical Modeling, Statistical Methods, Data Visualization
Beginner · Specialization · 3 - 6 Months