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.

Coursera
Skills you'll gain: Seaborn, Data Storytelling, Data Integration, A/B Testing, Data Import/Export, Statistical Hypothesis Testing, Statistical Methods, Text Mining, Data-Driven Decision-Making, Git (Version Control System), Data Presentation, Matplotlib, Data Visualization, Pandas (Python Package), Version Control, GitHub, Statistical Analysis, Exploratory Data Analysis, Jupyter, NumPy
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Supervised Learning, Financial Forecasting, Forecasting, Applied Machine Learning, Predictive Modeling, Predictive Analytics, Model Evaluation, Business Analytics, Data-Driven Decision-Making, Data Presentation, Business Metrics, Performance Analysis, Regression Analysis, Feature Engineering, Data Science, Stakeholder Communications, Exploratory Data Analysis
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Campaign Management, Marketing Channel, Digital Advertising, Marketing Effectiveness, Digital Marketing, Online Advertising, Marketing Analytics, Performance marketing, Web Analytics, Performance Metric, Performance Measurement, Social Media Marketing, Data-Driven Decision-Making, Email Marketing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Automation, Behavior-Driven Development, Gherkin (Scripting Language), Software Testing, Unit Testing, Test Script Development, Regression Testing, Test Case, Continuous Integration, Automation, Software Design Patterns, Web Development Tools, Maintainability, Python Programming, UI Components
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, .NET Framework, C# (Programming Language), Data Validation, Microsoft SQL Servers, Databases, Software Development, Software Testing, Application Development, Event-Driven Programming, User Interface (UI), Debugging
Intermediate · Course · 1 - 4 Weeks

IE Business School
Skills you'll gain: Survey Creation, Surveys, Marketing Planning, Market Research, Business Research, Product Marketing, Consumer Behaviour, Value Propositions, Market Analysis, Marketing, Business Planning, Marketing Channel, Peer Review, Case Studies, Product Strategy, Target Market, Research Design, Data Analysis, Marketing Communications, Marketing Strategies
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Browser Compatibility, Performance Testing, Security Testing, Integration Testing, System Testing, API Testing, Development Environment, Software Testing, User Acceptance Testing (UAT), Acceptance Testing, Test Tools, Application Security, Test Automation, Responsive Web Design, Vulnerability Scanning, Web Applications, Docker (Software), User Interface (UI), Python Programming
Beginner · Course · 1 - 4 Weeks

University of Toronto
Skills you'll gain: Computer Vision, Convolutional Neural Networks, Image Analysis, Control Systems, Robotics, Embedded Software, Automation, Deep Learning, Software Architecture, Simulations, Safety Assurance, Traffic Flow Optimization, Artificial Neural Networks, Global Positioning Systems, Machine Controls, Hardware Architecture, Systems Architecture, Graph Theory, Estimation, Machine Learning Methods
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Angular, Mobile Development, Service Design, Front-End Web Development, UI Components, Data Validation, Application Development, Application Frameworks, Service Oriented Architecture, JavaScript Frameworks, Business Logic
Beginner · Course · 1 - 4 Weeks
The University of Edinburgh
Skills you'll gain: Liberal Arts, Deductive Reasoning, Scientific Methods, Artificial Intelligence
Mixed · Course · 1 - 3 Months

Skills you'll gain: SketchUp (3D Modeling Software), Architectural Design, Architectural Drawing, 3D Modeling, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Splunk, Anomaly Detection, Real Time Data, Data Analysis, Data Visualization Software, Analytics, Dashboard, Security Information and Event Management (SIEM), System Configuration, Data Processing, Data Cleansing, Data Import/Export, Statistical Analysis, Software Installation
Beginner · Course · 1 - 4 Weeks