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 Pennsylvania
Skills you'll gain: SQL, Data Analysis, Seaborn, Exploratory Data Analysis, Analytics, Data Visualization, Data Visualization Software, Matplotlib, Data Storage, Pandas (Python Package), Big Data, Data Science, Data Management, Data Manipulation, Data Cleansing, NumPy
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud-Native Computing, Application Deployment, Cloud Applications, Cloud Development, Cloud Deployment, Infrastructure as Code (IaC), Google Cloud Platform, Application Performance Management, Docker (Software), Containerization, Performance Tuning, Debugging, Node.JS
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Case Studies, Benchmarking, Tax Laws, Corporate Tax, Intercompany Accounting, International Finance, Tax, Analysis
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Workplace inclusivity, Diversity and Inclusion, Cultural Diversity, Empathy, People Management, Emotional Intelligence, Disabilities, Organizational Leadership, Team Management, Safety Culture, Leadership and Management, Leadership, Collaboration, Self-Awareness, Communication
Beginner · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Mathematical Modeling, Linear Algebra, Dimensionality Reduction, Applied Mathematics, Data Analysis, Feature Engineering, Applied Machine Learning, Analytics, Data Science, Unsupervised Learning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Executive Presence, Leadership, Influencing, Business Leadership, Storytelling, Leadership and Management, Leadership Development, Strategic Leadership, Stakeholder Management, Stakeholder Engagement, Matrix Management, Strategic Communication, Communication, Cross-Functional Team Leadership, Communication Strategies, Composure, Relationship Building
Intermediate · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: Student-Centred Learning, Entrepreneurship, Train The Trainer, Design Thinking, Digital pedagogy, Problem Solving, Innovation, Creative Thinking, Higher Education, Ideation, Collaboration, Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Lead Generation, Upselling, Business Ethics, AI Personalization, Generative AI, Sales Strategy, Cross Selling, Marketing Strategies, Sales Pipelines, Email Marketing, Blogs, Customer Insights, Content Creation, Customer Engagement, Social Media Marketing, Customer Retention, Customer Relationship Management, Emerging Technologies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Unit Testing, Software Quality Assurance, Integrated Development Environments, Software Testing, Quality Assurance, Java, Software Development Tools, Debugging, Performance Testing
Intermediate · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: API Gateway, Cloud Deployment, Restful API, Application Programming Interface (API), Cloud Applications, Application Deployment, API Design, Go (Programming Language), Google Cloud Platform, Personally Identifiable Information, Data Access, DevOps, Database Application, Data Management
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Social Media, Social Media Content, Social Media Marketing, Keyword Research, Drive Engagement, Social Media Strategy, Target Market
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Game Design, Android Development, Unity Engine, Video Game Development, 3D Assets, Mobile Development, User Interface (UI), Debugging, C# (Programming Language), Scripting, Software Testing, User Interface (UI) Design, Development Environment, Animations, Object Oriented Programming (OOP)
Intermediate · Specialization · 3 - 6 Months