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.

Johns Hopkins University
Skills you'll gain: Shiny (R Package), Rmarkdown, Model Evaluation, Regression Analysis, Exploratory Data Analysis, Statistical Inference, Predictive Modeling, Statistical Hypothesis Testing, Machine Learning Algorithms, Plotly, Interactive Data Visualization, Probability & Statistics, Statistical Machine Learning, Data Presentation, Data Visualization, Statistical Analysis, Statistical Modeling, R Programming, Machine Learning, GitHub
Intermediate · Specialization · 3 - 6 Months

University of Cape Town
Skills you'll gain: Environmental Issue, Climate Change Mitigation, Natural Resource Management, Environmental Science, Biology, Climate Change Adaptation, Life Sciences, Anthropology, Ancient History
Beginner · Course · 1 - 3 Months
LearnQuest
Skills you'll gain: Closing (Sales), Sales Prospecting, Sales Presentations, Overcoming Objections, Sales, Sales Process, Sales Strategy, Sales Enablement, Sales Management, Sales Pipelines, Customer Relationship Management (CRM) Software, Lead Generation, Negotiation, Business Ethics, Global Marketing, Customer Engagement, Business Process Automation, Law, Regulation, and Compliance, Key Performance Indicators (KPIs), Cultural Diversity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Keyword Research, Search Engine Optimization, Web Analytics and SEO, Search Engine Marketing, Research, Competitive Intelligence, Digital Marketing, Content Creation, Content Performance Analysis, Data-Driven Decision-Making, Web Content, Content Strategy, Content Marketing, Marketing Analytics, Digital Content, Web Analytics, AI Enablement, Generative AI, Content Management, Analytics
Intermediate · Specialization · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Cyber Threat Intelligence, Human Factors (Security), Threat Management, Security Awareness, Cybersecurity, Computer Security Awareness Training, Cyber Risk, Cyber Attacks, Security Strategy, Employee Training, Behavior Management, Insurance
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Dashboard, Data Visualization, Key Performance Indicators (KPIs), System Monitoring, Performance Analysis, Business Intelligence, Data Visualization Software, Performance Metric, Continuous Monitoring, Budget Management, Cost Management, Decision Making
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Cryptography, Cybersecurity, Encryption, Public Key Cryptography Standards (PKCS), Brute-force attacks, Data Integrity
Beginner · Course · 1 - 4 Weeks

The University of Edinburgh
Skills you'll gain: Physics, Emerging Technologies, Technical Communication, Physical Science, Computational Thinking, Image Analysis, Engineering, Scientific, and Technical Instruments, Data Analysis Software
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Crisis Management, Business Consulting, Management Consulting, Emergency Response, Corporate Communications, Leadership, Risk Management, Contingency Planning, Leadership and Management, Strategic Communication, Business Leadership, Public Affairs, Business Continuity Planning, Risk Analysis, Mitigation, Communication Strategies, Case Studies, Stakeholder Communications, Internal Communications, Critical Thinking
Beginner · Specialization · 1 - 3 Months

Rice University
Skills you'll gain: Torque (Physics), Physics, electromagnetics, Electrical Engineering, Applied Mathematics, Mechanics, Calculus, Engineering Analysis, Electrical Systems, Trigonometry, Problem Solving
Intermediate · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Derivatives, Mortgage Loans, Securities (Finance), Credit Risk, Financial Modeling, Risk Modeling, Financial Market, Mathematical Modeling, Securities Trading, Applied Mathematics, Investment Banking, Microsoft Excel, Risk Analysis, Cash Flows, Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Node.JS, API Gateway, MySQL, Restful API, MongoDB, Microservices, NoSQL, Object-Relational Mapping, Application Programming Interface (API), Database Design, Relational Databases, Unit Testing, SQL, Databases, Data Persistence, Server Side, Application Deployment, Javascript, Software Documentation, Data Modeling
Intermediate · Specialization · 3 - 6 Months