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.

HubSpot Academy
Skills you'll gain: Inside Sales, Sales Training, Consultative Selling, Sales, Sales Strategy, Sales Process, Relationship Building, Customer Relationship Building, Customer Analysis, Personalized Service, Communication
Beginner · Course · 1 - 4 Weeks

ESSEC Business School
Skills you'll gain: Negotiation, Communication, Conflict Management, Relationship Building, Leadership, Interpersonal Communications, Persuasive Communication, Value Propositions, Active Listening, Stakeholder Management
Beginner · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Sales Presentation, Interviewing Skills, Oral Expression, English Language, Business Communication, Presentations, Business Correspondence, Verbal Communication Skills, Business Writing, Grammar, Persuasive Communication, Public Speaking, Target Audience, Vocabulary, Professionalism, Communication Strategies
Mixed · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Software Design Documents, System Design and Implementation, Internet Of Things, Technical Documentation, Technical Communication, Mobile Development, Test Case, System Testing, Software Development, Wireless Networks, Embedded Systems, Systems Integration
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: OAuth, API Gateway, API Design, Restful API, Application Programming Interface (API), Cloud API, Continuous Deployment, CI/CD, Application Lifecycle Management, Secure Coding, Security Controls, Proxy Servers, Authorization (Computing), Continuous Integration, Application Security, Middleware, Software Documentation, Information Systems Security, Network Security, Data Security
Intermediate · Specialization · 3 - 6 Months

National Taiwan University
Skills you'll gain: Operations Research, Mathematical Modeling, Process Optimization, Report Writing, Network Model, Applied Mathematics, Process Improvement and Optimization, Business Modeling, Industrial Engineering, Linear Algebra, Numerical Analysis, Operations Management, Applied Machine Learning, Resource Allocation, Case Studies, Engineering Calculations, Algorithms, Feasibility Studies, Project Design, Business Analytics
Beginner · Specialization · 3 - 6 Months

Meta
Skills you'll gain: Restful API, API Testing, Django (Web Framework), API Design, Software Documentation, Application Programming Interface (API), Authentications, Authorization (Computing), Debugging, JSON, Performance Tuning, Data Validation, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Advancing Women in Tech
Skills you'll gain: Product Roadmaps, Product Management, Customer Retention, Cross-Functional Team Leadership, Technical Product Management, Professional Networking, Financial Analysis, Product Strategy, Product Requirements, Engineering Management, Product Development, Product Lifecycle Management, New Product Development, Innovation, Team Leadership, Artificial Intelligence and Machine Learning (AI/ML), User Experience Design, Design, Performance Management, Interviewing Skills
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Universidad Nacional Autónoma de México
Skills you'll gain: digital literacy, Open Source Technology, Human Computer Interaction, Design Thinking, Program Development, Community Development, Data Mapping, Liberal Arts, Project Planning, Technical Communication, Data Analysis Software, Research Methodologies, Intellectual Property, Computer Science
Beginner · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Energy and Utilities, Transportation Operations, Governance, Systems Thinking, Technology Roadmaps, Emerging Technologies, Technology Strategies, Innovation, Internet Of Things, Digital Transformation, Sustainable Systems, Case Studies
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Google Analytics, Web Analytics, Content Performance Analysis, Marketing Analytics, Dashboard, User Accounts
Beginner · Guided Project · Less Than 2 Hours
University of Colorado Boulder
Skills you'll gain: Angular, Linear Algebra, Physics, Mathematical Modeling, Applied Mathematics
Intermediate · Course · 1 - 4 Weeks