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.

Skills you'll gain: Unsupervised Learning, Feature Engineering, Model Evaluation, Applied Machine Learning, Statistical Machine Learning, Predictive Modeling, Supervised Learning, Clinical Informatics, Machine Learning, Health Informatics, Data Preprocessing, Clinical Data Management, Predictive Analytics, Patient Safety, Decision Tree Learning, Time Series Analysis and Forecasting, Logistic Regression, Forecasting, Classification Algorithms, Dimensionality Reduction
Intermediate · Course · 1 - 4 Weeks

Meta
Skills you'll gain: Django (Web Framework), Web Development, Web Servers, Web Applications, Data Modeling, Back-End Web Development, MySQL, Application Security, Database Development, Model View Controller, Object-Relational Mapping, Application Frameworks, Database Management, Hypertext Markup Language (HTML)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Account Strategy, Financial Management, Financial Data, Key Performance Indicators (KPIs), Account Management, Budgeting, Customer Data Management, Customer Analysis, Data Integrity, Performance Analysis, Analytics, Data-Driven Decision-Making, Strategic Decision-Making, Power BI, Customer Insights, Sales Strategy, Data Analysis, Data Management, AI Enablement, Microsoft Excel
Advanced · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Control Systems, Mathematical Modeling, Engineering Analysis, Differential Equations, Systems Design, Systems Analysis, Electrical Systems, Mechanics, Systems Thinking, Applied Mathematics, Performance Testing, Basic Electrical Systems
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AI Orchestration, AI Workflows, LangGraph, Agentic systems, OpenAI API, Enterprise Application Management, Tool Calling, OAuth, Generative AI Agents, Middleware, Real Time Data, Interoperability, API Gateway, Agentic Workflows, Software Development Tools, LLM Application, Prompt Engineering, Retrieval-Augmented Generation, Application Programming Interface (API), Scalability
Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Software Design Patterns, Code Review, System Design and Implementation, C and C++
Intermediate · Course · 3 - 6 Months

Universitat Politècnica de València
Skills you'll gain: Quality Management, Digital Content, Digital Advertising, Information Technology, Security Awareness, Safety and Security, Information Privacy, Cybersecurity, Cyber Attacks, Data Security, Business Technologies, Information Systems, E-Commerce, Global Marketing, Digital Transformation, Business Process, Business Strategy, Intellectual Property
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Auditing, Financial Auditing, Excel Formulas, Version Control, Financial Modeling, Microsoft Excel, Model Evaluation, Risk Modeling, Change Control, Analysis, Governance Risk Management and Compliance, Business Modeling, Case Studies, Performance Analysis, Technical Documentation, Performance Metric
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Management Accounting, Operating Cost
Beginner · Course · 1 - 4 Weeks

Beginner · Course · 3 - 6 Months

Skills you'll gain: Google Analytics, Marketing Analytics, Performance Reporting, Looker (Software), Web Analytics and SEO, Customer Analysis, Marketing Strategies, Search Engine Optimization, A/B Testing, Google Ads, Data Storytelling, Smart Goals, Campaign Management, Analytics, Predictive Analytics, Analysis, Data Visualization, Target Audience, Process Improvement and Optimization, Process Optimization
Beginner · Specialization · 3 - 6 Months

University of Toronto
Skills you'll gain: Stress Management, Mental Health, Resilience, Crisis Intervention, Mindfulness, Cognitive Behavioral Therapy, Behavior Management, Preventative Care, Empathy, Psychology, Social Skills
Beginner · Course · 1 - 4 Weeks