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.

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: Data Visualization, Interactive Data Visualization, Power BI, Data Storytelling, Data Visualization Software, Dashboard, Data Analysis Expressions (DAX), Ad Hoc Reporting, Business Reporting, Advanced Analytics, Key Performance Indicators (KPIs), Design Elements And Principles, User Experience
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Fixed Asset, Financial Statement Analysis
Intermediate · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Cost Management, Cost Estimation, Risk Management, Project Controls, Project Risk Management, Risk Analysis, Compliance Management, Budget Management, Project Planning, Project Management Software, Project Management, Quality Assurance, Cost Reduction, Agile Project Management, Microsoft Excel, Team Leadership, Microsoft Word, Leadership, Leadership Development, Microsoft Office
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Analytics, Data Visualization, Business Analytics, Data Analysis, Microsoft PowerPoint, Data Presentation, Presentations, Excel Formulas, Data-Driven Decision-Making, Dashboard, Business Intelligence, Microsoft Excel, Customer Analysis, Data Visualization Software, Big Data, Data Storytelling, Target Audience, Business Consulting, Spreadsheet Software, Data Cleansing
Beginner · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: SQL, Relational Databases, Microsoft Copilot, Database Management, Transaction Processing, Query Languages, Database Design, Databases, Object-Relational Mapping, Performance Tuning, Data Integrity, Data Modeling, Data Security
Beginner · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Basic Electrical Systems, electromagnetics, Mathematical Modeling, Education Software and Technology, Simulations, Physics, Experimentation, Scientific Visualization
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Social Studies, World History, Intercultural Competence, European History, International Relations, Cultural Diversity, Culture, Diversity Awareness, Research, Research Methodologies, Governance
Beginner · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Scala Programming, Distributed Computing, Big Data, Data Manipulation, Data Processing, Performance Tuning, Data Persistence, SQL, Data Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, Model Context Protocol, Agentic Workflows, AI Orchestration, Generative AI Agents, Anthropic Claude, Prompt Engineering, Tool Calling, Generative AI, Automation, Scalability, Application Programming Interface (API), Servers, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Keyword Research, Search Engine Marketing, Campaign Management, Google Ads, Online Advertising, Return On Investment, Pay Per Click Advertising, Performance marketing, Advertising Campaigns, Marketing Effectiveness, Cost Reduction, Paid media, Performance Measurement
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: User Feedback, Functional Testing, Root Cause Analysis, UI/UX Research, Experience Design, User Experience, Problem Management, User Interface (UI) Design, Integration Testing, Application Development, Network Troubleshooting, Investigation
Intermediate · Course · 1 - 4 Weeks