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: Tidyverse (R Package), Rmarkdown, R Programming, Ggplot2, Data Import/Export, Data Visualization, Data Manipulation, Data Visualization Software, Data Analysis, Data Science, Data Storytelling, Statistical Analysis, Relational Databases, Data Cleansing, Data Transformation, Statistical Programming, Data Integration, Software Installation, Programming Principles, Communication
Beginner · Specialization · 1 - 3 Months

Whizlabs
Skills you'll gain: API Gateway, Amazon Elastic Compute Cloud, Amazon Web Services, Virtual Networking, Application Programming Interface (API), Load Balancing, Cloud Infrastructure, Network Architecture, Network Infrastructure, Network Security, Network Routing, Scalability, Frontend Performance
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Visualization, Matplotlib, Plotly, Scientific Visualization, Seaborn, Exploratory Data Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Computational Thinking, Theoretical Computer Science, Mathematical Modeling, Systems Analysis, Performance Testing, Embedded Systems, Graph Theory, Technical Documentation, Model Evaluation, Algorithms
Mixed · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Role-Based Access Control (RBAC), Scalability, Network Security, System Monitoring, Network Monitoring, Continuous Monitoring, Capacity Management, Application Performance Management, Performance Tuning
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Marketing Budgets, Performance Analysis, Marketing, Marketing Effectiveness, Marketing Planning, Marketing Strategies, Marketing Management, Global Marketing, Plan Execution, Brand Management, Campaign Management, Competitive Analysis, Market Analysis, Brand Awareness, Marketing Strategy and Techniques, Product Strategy, Case Studies, Digital Marketing, Branding, Business
Beginner · Specialization · 3 - 6 Months

University of Maryland, College Park
Skills you'll gain: Entrepreneurial Finance, Business Valuation, Proposal Development, Corporate Finance, Financial Modeling, Financial Statements, Corporate Accounting, Project Finance, Business Metrics, Return On Investment, Financial Management, Financial Analysis, Cash Flows, Presentations, Innovation
Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Keyword Research, Search Engine Optimization, Web Analytics and SEO, Competitive Analysis, Performance Analysis, Performance Metric, Performance Management, Analytics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Java, Java Programming, Computer Programming, Programming Principles, Software Design, Data Structures, Debugging
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Marketing Analytics, Business Intelligence, Predictive Modeling, Business Analytics, Google Analytics, Customer Analysis, Analytics, Model Evaluation, Predictive Analytics, Advanced Analytics, Customer Insights, Trend Analysis, Artificial Intelligence, Performance Metric, Natural Language Processing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Rust (Programming Language), System Programming, Secure Coding, Data Structures, Programming Principles, Data Sharing, Data Management, Capacity Management
Intermediate · Course · 1 - 3 Months

University of Cape Town
Skills you'll gain: Lifelong Learning, Family Support, Disabilities, Working With Children, Caregiving, Training Programs, Human Learning, Patient Education and Support, Special Education, Child Development, Advocacy, Curriculum Planning, Care Coordination, Instructional Strategies
Beginner · Course · 1 - 4 Weeks