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 London
Skills you'll gain: Storytelling, Oral Expression, Persuasive Communication, Empathy, Rapport Building, Strategic Communication, Emotional Intelligence, Communication Strategies, Personal Attributes, Public Speaking, Verbal Communication Skills, Communication, Relationship Building, Interpersonal Communications, Target Audience, Non-Verbal Communication, Self-Awareness, Executive Presence, Assertiveness, Active Listening
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Billing & Invoicing, QuickBooks (Accounting Software), Billing, Invoicing, Billing Systems, Accounts Payable and Receivable, Payment Processing and Collection, Investigation, Claims Processing, Accounting, Customer Complaint Resolution, Email Automation, Analysis, Cash Flow Forecasting, Business Process Automation, Automation, Document Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Context Management, Artificial Intelligence, Performance Testing, Natural Language Processing, Integration Testing, Web Services, Business Logic, Data Validation, System Configuration
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Data Presentation, Data Visualization, Microsoft Excel, Data Visualization Software, Spreadsheet Software, Pivot Tables And Charts, Data Analysis, Data Science, Exploratory Data Analysis, Productivity Software, Microsoft Office, Microsoft 365
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Global Marketing, Culture, Cultural Diversity, Management Training And Development, Intercultural Competence, B2B Sales, Target Market, Market Opportunities, Business Marketing, Human Resources, Human Resources Management and Planning, Organizational Strategy, Marketing Strategies, Organizational Structure, Communication Strategies
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Sampling (Statistics), Data Visualization, Plot (Graphics), Data Literacy, Statistics, Matplotlib, Seaborn, Probability & Statistics, Jupyter, Data Visualization Software, Data Analysis, Statistical Analysis, Exploratory Data Analysis, Descriptive Statistics, Statistical Inference, Data Collection, NumPy, Box Plots, Histogram, Python Programming
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Entry, Data Validation, Data Integrity, Data Capture, Data Processing, Data Management, Spreadsheet Software, Computer Literacy
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Power Electronics, Electrical Power, Electrical Engineering, Estimation, Simulations, Electronic Systems, Matlab, Engineering Calculations, Model Evaluation, Mathematical Modeling, Control Systems, Electronic Components, Applied Mathematics, Algorithms
Intermediate · Course · 1 - 3 Months

Starweaver
Skills you'll gain: Matlab, Data Visualization, Simulation and Simulation Software, Mathematical Modeling, Data Analysis, Engineering Analysis, Data Integration, Programming Principles, Data Manipulation, Data Structures, Computer Programming, Debugging
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Network Troubleshooting, Network Administration, Network Security, Remote Access Systems, Software-Defined Networking, Computer Networking, Network Routing, TCP/IP, Local Area Networks, Wireless Networks, Network Architecture, Virtual Local Area Network (VLAN), Network Protocols, IT Automation, Hardware Troubleshooting, Automation, Scripting
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Image Analysis, Data Cleansing, Quality Assurance, Quality Assessment, Packaging and Labeling, Data Pipelines
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Continuous Deployment, System Monitoring, API Testing, Restful API, Site Reliability Engineering, Machine Learning
Intermediate · Course · 1 - 4 Weeks