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.

Rice University
Skills you'll gain: Growth Mindedness, Stress Management, Resilience, Mindfulness, Personal Development, Self-Awareness, Compassion, Personal Attributes, Positivity, Empathy, Mental Health, Mental Concentration, Interpersonal Communications, Communication, Emotional Intelligence, Behavioral Health, Cognitive flexibility, Sustainable Development, Social Justice, Persistence
Beginner · Specialization · 3 - 6 Months

Northwestern University
Skills you'll gain: Machine Controls, Control Systems, Automation Engineering, Mathematical Modeling, Mathematical Software, Simulation and Simulation Software, Engineering Calculations, Engineering, Mechanics, Mechanical Engineering, Artificial Intelligence, Applied Mathematics, Engineering Analysis, Automation, Virtual Environment, Robotic Process Automation, Torque (Physics), Graph Theory, Matlab, Numerical Analysis
Intermediate · Specialization · 3 - 6 Months

Technion - Israel Institute of Technology
Skills you'll gain: Materials science, Semiconductors, Biomedical Engineering, Chemistry, Laboratory Testing, Electronics, Electrical Engineering, Chemical Engineering
Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Stormwater Management, Landscape Architecture, Civil Engineering, Environmental Engineering, Sustainable Development, Water Sustainability, Architectural Design, Water Resources, Sustainable Design, Community Development, Environmental Issue
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Dashboard, Salesforce, Data Visualization, Salesforce Development, Ad Hoc Reporting, Business Reporting, Data Import/Export, End User Training and Support
Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Operations Management, Process Design, Operational Excellence, Business Operations, Process Mapping, Consumer Behaviour, International Finance, Marketing Planning, Marketing Strategies, Marketing Strategy and Techniques, Strategic Marketing, Competitive Analysis, Business Ethics, Marketing Psychology, Marketing, Global Marketing, Social Sciences, International Relations, Culture, Sustainable Business
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Leaflet (Software), React.js, Application Deployment, Application Development, Web Development, HTML and CSS, Cascading Style Sheets (CSS), Responsive Web Design, UI Components
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Calculus, Applied Mathematics, Data Modeling, Estimation, Graphing, Mathematical Modeling, Algebra, Cost Estimation, Mathematical Software, Engineering Calculations, Linear Algebra, Trigonometry, Operations Research, Data Analysis, Derivatives, Mathematical Theory & Analysis, Geometry
Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Data Manipulation, Data Cleansing, Data Wrangling, Data Import/Export, Data Collection, Data Management, Web Scraping, R Programming, MySQL, SQL, Application Programming Interface (API)
Mixed · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Regression Analysis, R (Software), Statistical Analysis, R Programming, Statistical Modeling, Statistical Inference, Correlation Analysis, Data Analysis, Statistical Methods, Exploratory Data Analysis, Mathematical Modeling, Statistics, Predictive Modeling
Beginner · Course · 1 - 4 Weeks

Accenture
Skills you'll gain: Data Literacy, Computer Literacy, Microsoft Excel, Data Security, Data Analysis, Programming Principles, Emerging Technologies, Computer Security Awareness Training, Digital Communications, Computer Programming, Scripting Languages, Web Development, Information Technology, Business Technologies, Javascript, Python Programming, Blockchain, Cloud Computing, Computer Hardware, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Object Oriented Programming (OOP), JSON, Object Oriented Design, Unit Testing, Python Programming, Debugging, Software Testing, Data Structures
Intermediate · Course · 1 - 4 Weeks