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.

Northwestern University
Skills you'll gain: Social Media Marketing, Social Media Strategy, Social Media, Marketing Effectiveness, Marketing, Performance Measurement, Business Metrics, Customer Engagement, Business-To-Consumer, Key Performance Indicators (KPIs), Integrated Marketing Communications, Program Management, Marketing Budgets, Law, Regulation, and Compliance, A/B Testing, Information Privacy, Data Security
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Public Health and Disease Prevention, Research Methodologies, Health Policy, Public Health, Epidemiology, Mental Health, Social Determinants Of Health, Health Disparities, Maternal Health, Mental Health Diseases and Disorders, Cultural Diversity
Beginner · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Pain Management, Neurology, Patient Education And Counseling, Patient Evaluation, Diagnostic Tests, Patient-centered Care, Patient Treatment, Primary Care, General Medicine, Medical History Documentation, Science and Research, Clinical Assessment, Chronic Diseases, Public Health, Pharmacology
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Electric Power Systems, Safety Standards, Safety and Security, Emerging Technologies, Control Systems, Global Positioning Systems, Environmental Issue, Computer Vision, Artificial Intelligence, Algorithms
Beginner · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Feature Engineering, Unsupervised Learning, Data Ethics, Statistical Visualization, Data Storytelling, Big Data, Relational Databases, Supervised Learning, Database Systems, Dataflow, Data Visualization Software, Databases, Statistical Machine Learning, Model Evaluation, Predictive Analytics, R Programming, Data Analysis, SQL, Predictive Modeling, Python Programming
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Physical Science, General Science and Research, Research, Scientific Methods, Hydrology, Ancient History, Environmental Science, Timelines, Physics, World History, Biology
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Generative Adversarial Networks (GANs), Generative AI, PyTorch (Machine Learning Library), Image Analysis, Convolutional Neural Networks, Responsible AI, Data Ethics, Unsupervised Learning, Information Privacy, Data Synthesis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Pandas (Python Package), NumPy, Data Manipulation, Data Preprocessing, Package and Software Management, Data Analysis, Data Transformation, Data Integration, JSON, Object Oriented Programming (OOP), Data Wrangling, Data Science, Python Programming, Computer Programming, Programming Principles, Data Import/Export, Software Design, Mathematical Software, Computational Logic, Data Structures
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Flask (Web Framework), Application Deployment, Web Applications, Hypertext Markup Language (HTML), Application Development, Web Development, HTML and CSS, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Universidad de los Andes
Skills you'll gain: Data Visualization, Data Ethics, Data Integration, Exploratory Data Analysis, Statistical Hypothesis Testing, Predictive Modeling, Data Literacy, Correlation Analysis, Data Quality, Data Science, Jupyter, Data Analysis, Data Preprocessing, Data Transformation, Data Cleansing, Business Analytics, Supervised Learning, Regression Analysis, Applied Machine Learning, Model Evaluation
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Electrical Power, Electrical Systems, Electric Power Systems, Mechanical Engineering, Mechanical Design, Energy and Utilities, System Monitoring, Vibrations, Control Systems, Performance Tuning
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Lund University
Skills you'll gain: Radiation Therapy, Medical Imaging, Diagnostic Radiology, Oncology, Patient Positioning, Biomedical Engineering, Medical Equipment, Treatment Planning, Physics
Beginner · Course · 1 - 4 Weeks