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: Presentations, Technical Communication, Verbal Communication Skills, Public Speaking, Scientific Visualization, Persuasive Communication, Communication Strategies, Communication, Visualization (Computer Graphics)
Mixed · Course · 1 - 3 Months

Skills you'll gain: COBOL (Programming Language), Integrated Development Environments, Business Logic, Mainframe Computing, Programming Principles, Computer Programming Tools, Computer Programming, File I/O, Data Management, Maintainability, Debugging
Beginner · Course · 1 - 4 Weeks

University of New Mexico
Skills you'll gain: Trauma Care, Music, Mental and Behavioral Health, Cultural Sensitivity, Compassion, Health Care, Mindfulness, Cultural Diversity
Beginner · Course · 1 - 3 Months

Skills you'll gain: Writing, Writing and Editing, Honesty, Storytelling, Journals, Editing, Content Creation, Personal Development, Investigation, Self-Awareness
Beginner · Course · 1 - 4 Weeks

Deep Teaching Solutions
Skills you'll gain: Prompt Engineering, Multimodal Prompts, Creative Thinking, ChatGPT, Learning Strategies, Curiosity, Critical Thinking, Generative AI, Artificial Intelligence, Constructive Feedback, Artificial Neural Networks, Technical Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Node.JS, JavaScript Frameworks, Web Development Tools, Web Applications, Front-End Web Development, Web Content, Web Development, HTML and CSS, Software Engineering
Intermediate · Guided Project · Less Than 2 Hours
Johns Hopkins University
Skills you'll gain: Sanitation, Crisis Intervention, Public Health, Public Health and Disease Prevention, Water Resources, Chronic Diseases, Emergency Response, Nutrition and Diet, Community Health, Health Systems, Environmental Resource Management, Epidemiology, Health Care, Infectious Diseases
Beginner · Course · 1 - 3 Months

Indian Institute of Science
Skills you'll gain: Electronics Engineering, Semiconductors, Electronics, Electronic Hardware, Biomedical Technology, Hardware Design, Embedded Software, Materials science, Chemical and Biomedical Engineering, Mechanical Design, Manufacturing Processes, Communication Systems, Laboratory Equipment, Engineering Design Process, Laboratory Testing, Analytical Testing
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Data Encryption Standard, Public Key Infrastructure, Cryptography, Public Key Cryptography Standards (PKCS), Brute-force attacks, Key Management, Advanced Encryption Standard (AES), Encryption, Data Integrity, Information Systems Security, Cybersecurity, Authentications, Information Assurance, Data Security, Theoretical Computer Science, Computational Logic, Algorithms
Intermediate · Specialization · 3 - 6 Months

University of Copenhagen
Skills you'll gain: Research, Record Keeping, Data Collection, Document Management, Information Management, Intellectual Property
Mixed · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Web Design, Web Design and Development, Cascading Style Sheets (CSS), Semantic Web, Usability, Javascript, Responsive Web Design, Web Content
Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Data Preprocessing, Feature Engineering, Model Evaluation, Bioinformatics, Exploratory Data Analysis, Random Forest Algorithm, Pandas (Python Package), Scikit Learn (Machine Learning Library), Applied Machine Learning, Data Manipulation, Dimensionality Reduction, Data Cleansing, Keras (Neural Network Library), Data Transformation, NumPy, Classification Algorithms, Tensorflow, Artificial Neural Networks, Machine Learning, Data Science
Beginner · Specialization · 3 - 6 Months