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.

Duke University
Skills you'll gain: Debugging, File I/O, Programming Principles, Maintainability, Software Testing, Program Development, C (Programming Language), Algorithms, Simulations, System Programming, Computer Programming, Data Structures, Software Development, Software Engineering, Command-Line Interface, Development Environment, User Interface (UI), Solution Design, Problem Solving, Software Design
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Responsive Web Design, Flutter (Software), Mobile Development, Application Development, Data Validation, iOS Development, User Interface (UI) Design, User Interface (UI), Application Design, Cross Platform Development, Interactive Design, Human Computer Interaction, Interaction Design, User Flows, Scalability, Usability, Verification And Validation, Maintainability, User Experience Design
Beginner · Specialization · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Tensorflow, Recurrent Neural Networks (RNNs), Natural Language Processing, Embeddings, Generative AI, Artificial Neural Networks, Text Mining, Applied Machine Learning, Data Preprocessing, Machine Learning
Intermediate · Course · 1 - 4 Weeks
Coursera
Skills you'll gain: Experimentation, Business Metrics, Data Storytelling, Return On Investment, Model Evaluation, Dashboard, Performance Measurement, Business Valuation, Key Performance Indicators (KPIs), A/B Testing, Performance Analysis, Analysis, Product Management, Machine Learning, Financial Analysis, Business, Stakeholder Communications, Sample Size Determination, Power Electronics
Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Process Optimization, Operations Management, Business Process, Operational Efficiency, Process Analysis, Balance Sheet, Business Operations, Quality Management, Financial Statement Analysis, Financial Statements, Finance, Financial Accounting, Capital Budgeting, Branding, Financial Modeling, Strategic Marketing, Marketing, Analysis, Case Studies, Business Analysis
Beginner · Specialization · 3 - 6 Months

Beginner · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: System Design and Implementation, Application Specific Integrated Circuits, Embedded Systems, Computational Logic, Computer Architecture, Computer Systems, Hardware Architecture, Other Programming Languages
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: WordPress, Content Management Systems, Web Content, Web Design and Development, Web Design, Web Development, Blogs, Social Media, Content Management, Marketing, Design, Computer Science
Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: Video Editing, Timelines, Video Production, Editing, Productivity, Storytelling
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Closing (Sales), Consultative Selling, Selling Techniques, Active Listening, Customer Relationship Building, Sales Process, Sales Strategy, Non-Verbal Communication, Overcoming Objections, Rapport Building, Interpersonal Communications, Consumer Behaviour
Mixed · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Business Writing, Business Correspondence, Proposal Writing, Proposal Development, Target Audience, Business Communication, Report Writing, Writing, Concision, Persuasive Communication, Communication, Writing and Editing, Tactfulness, Diplomacy, Customer Complaint Resolution, Organizational Skills, Grammar, Communication Strategies, Editing, Proofreading
Mixed · Course · 1 - 3 Months

Skills you'll gain: Nursing Management, Healthcare Ethics, Legal Risk, Clinical Leadership, Case Studies, Personal Integrity, Nursing, Patient Safety, Business Ethics, Ethical Standards And Conduct, Decision Making, Professionalism, Health Care, Safety Culture, Medical Privacy, Law, Regulation, and Compliance, Informed Consent, Compliance Management, Patient Communication
Intermediate · Course · 1 - 4 Weeks