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.

University of Colorado Boulder
Skills you'll gain: Machine Controls, Control Systems, Embedded Software, Laboratory Experience, Electronic Systems, Embedded Systems, Power Electronics, Electronic Hardware, Three-Phase, Electrical Equipment, Hardware Design, Electrical Engineering, Electrical Systems, Electronics, Electrical Power, Basic Electrical Systems, Automation Engineering, Integration Testing, Electronic Components, Torque (Physics)
Build toward a degree
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Customer Retention, Loyalty Programs, Customer Relationship Management (CRM) Software, Customer Data Management, Customer Engagement, Customer Relationship Management, Customer Relationship Building, Customer Analysis, Target Audience, HubSpot CRM, Customer experience strategy (CX), Marketing Automation, Customer Insights, Market Analysis, Email Automation
Intermediate · Course · 1 - 4 Weeks

Salesforce
Skills you'll gain: Sales Process, Sales, Salesforce, Sales Operations, Customer Relationship Management, B2B Sales, Data Management, Customer Data Management, Databases, Business-To-Consumer
Beginner · Course · 1 - 4 Weeks
Michigan State University
Skills you'll gain: Design Elements And Principles, Photography, Photo Editing, Creative Design, Graphic and Visual Design, Image Quality, Photo/Video Production and Technology, File Management, Storytelling
Mixed · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Combinatorics, Probability, Probability Distribution, Algorithms, Bayesian Statistics, Mathematical Modeling, Statistics, Arithmetic, Python Programming, Simulations
Beginner · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Materials science, Mechanical Engineering, Structural Analysis, Manufacturing Processes, Failure Analysis, Chemical Engineering, Engineering Calculations
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Vector Databases, Performance Tuning, Data Migration, Data Infrastructure, Data Integrity, Scalability, Embeddings, Data Import/Export, Data Engineering, Database Architecture and Administration, MLOps (Machine Learning Operations), Scripting, Data Pipelines
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Search Engine Optimization, Web Analytics and SEO, Keyword Research, Content Performance Analysis, Web Content, Digital Marketing, Content Development and Management, Social Media Strategy, Performance Metric, Digital Media Strategy, Performance Analysis, Strategic Planning
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Application Security, Angular, OAuth, Test Driven Development (TDD), Cryptography, Web Components, Data Validation, Vue.JS, Data Security, Authentications, HTML and CSS, Encryption, Authorization (Computing), General Data Protection Regulation (GDPR), Web Development, Web Applications, JavaScript Frameworks, Javascript, Security Strategy, Computer Programming
Beginner · Specialization · 1 - 3 Months

The University of Tokyo
Skills you'll gain: Neurology, Electrophysiology, Medical Imaging, Psychology, Radiology, Computer Vision, Diagnostic Radiology, Scientific Visualization, Biomedical Engineering, Speech Language Pathology, Digital Signal Processing
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Labor Relations, Labor Law, World History, Economic Development, Socioeconomics, Economics, Global Marketing, International Relations, Business Economics, Demography, Market Opportunities, Cultural Diversity, Culture, Governance
Beginner · Course · 1 - 4 Weeks

Copenhagen Business School
Skills you'll gain: Business Strategy, Business Planning, Case Studies, Strategic Decision-Making, Strategic Thinking, Plan Execution, Goal Setting, Resource Management, Organizational Strategy, Peer Review, Competitive Analysis, Strategic Leadership, Innovation, Organizational Structure, Strategic Planning, Market Analysis, Culture Transformation, Change Management, Business Strategies, Organizational Change
Beginner · Specialization · 3 - 6 Months