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 System
Skills you'll gain: Bayesian Network, Numerical Analysis, Markov Model, Estimation, Simulations, Integral Calculus, Matlab, Mathematical Modeling, Applied Mathematics, Engineering Analysis, Algorithms
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, Node.JS, API Design, Postman API Platform, Back-End Web Development, Server Side, Application Programming Interface (API), MongoDB, JavaScript Frameworks, Middleware, Network Routing, Maintainability, JSON, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: NoSQL, Apache Spark, Apache Hadoop, MongoDB, Database Development, Database Systems, Databases, Database Management Systems, Database Management, Extract, Transform, Load, Database Software, Database Administration, PySpark, Apache Hive, Machine Learning Methods, Big Data, Machine Learning, Applied Machine Learning, Generative AI, Model Evaluation
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Marketing Analytics, Marketing Effectiveness, Market Analysis, Competitive Analysis, Marketing, Key Performance Indicators (KPIs), Market Research, Target Audience, Target Market, Dashboard, Return On Investment, Value Propositions, Smart Goals, Business Strategy, Cross-Channel Marketing, Concision, Variance Analysis, Strategic Partnership, Data Collection, Strategic Decision-Making
Intermediate · Specialization · 3 - 6 Months

The Hong Kong University of Science and Technology
Skills you'll gain: FinTech, Governance Risk Management and Compliance, Regulatory Compliance, Financial Regulation, Business Continuity Planning, Compliance Management, Disaster Recovery, Risk Management Framework, Financial Regulations, Financial Controls, Operational Risk, Bank Regulations, Business Continuity, Security Management, Financial Services, Market Trend, Financial Systems, Workforce Development, Banking, Blockchain
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Mathematics and Mathematical Modeling, Mathematical Modeling, Political Sciences, Combinatorics, Social Sciences, Decision Intelligence, Logical Reasoning, Applied Mathematics, Critical Thinking, General Mathematics, Psychology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Security, Model Context Protocol, AI Integrations, Threat Modeling, Anthropic Claude, LLM Application, Security Architecture Review, Security Testing, Hardening, Tool Calling, Penetration Testing, Prompt Engineering, Security Controls, Exploitation techniques, Systems Architecture, System Configuration, Server Side, Python Programming, Servers, Security Management
Intermediate · Course · 1 - 4 Weeks

IE Business School
Skills you'll gain: Diversity Equity and Inclusion Initiatives, Diversity and Inclusion, Diversity Training, Workplace inclusivity, Diversity Programs, Diversity Awareness, Human Resource Policies, Safety Culture, Culture Transformation, Human Resources, Organizational Leadership, Mentorship, Empathy & Emotional Intelligence, Business Strategy, Leadership, Critical Thinking
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Apache Spark, Apache Hadoop, Data Integration, Big Data, Data Pipelines, Data Processing, Data Management, NoSQL, Database Management Systems, Analytics, Splunk, Database Systems, MongoDB, Pandas (Python Package), Query Languages, PostgreSQL
Beginner · Course · 1 - 3 Months

Emory University
Skills you'll gain: Ancient History, Social Studies, Liberal Arts, Social Justice, Political Sciences, World History, Public History, Curriculum Development, Community Development, Cultural Diversity, Storytelling
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Internet Of Things, Security Engineering, Information Systems Security, Wireless Networks, Infrastructure Security, General Networking, Cybersecurity, IBM Cloud, Cloud Platforms, Cryptography, Telecommunications, Network Protocols, Market Opportunities, Automation, Emerging Technologies, Embedded Systems, Cloud Deployment, Software-Defined Networking, Market Intelligence
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Code Reusability, Computational Logic, Scripting Languages, Functional Design, Computer Programming
Beginner · Course · 1 - 4 Weeks