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.

Arizona State University
Skills you'll gain: Matplotlib, File I/O, NumPy, Plot (Graphics), Pandas (Python Package), Data Structures, Data Visualization Software, Data Analysis, Python Programming, Data Processing, Data Manipulation, Exploratory Data Analysis, Data Import/Export, Computer Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Content Creation, Hugging Face
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Product Roadmaps, Cross-Functional Collaboration, Product Development, Cross-Functional Team Leadership, Team Building, Collaboration, Meeting Facilitation, Empathy, Team Management, Team Motivation, Product Management, Discussion Facilitation, Leadership, Business Priorities, Conflict Management, Goal Setting, Continuous Improvement Process
Beginner · Course · 1 - 3 Months

Skills you'll gain: Software Design Patterns, Functional Design, Programming Principles
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Malware Protection, Exploit development, Cyber Threat Hunting, Cyber Security Assessment, Application Security, Threat Detection, Virtual Machines, Debugging, System Programming, Scripting, Windows PowerShell, Virtualization, Computer Architecture, Excel Macros, Linux
Intermediate · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Business Transformation, Leadership, Organizational Change, Innovation, Adaptability, Business Technologies, Digital Transformation, Organizational Strategy, AI Enablement, Operational Efficiency, Business Economics, Change Management, Communication Strategies, Agile Methodology, Decision Making
Beginner · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Process Improvement, Data-Driven Decision-Making, Performance Improvement, Quality Improvement, Service Design, Health Systems, Process Design, Business Process Improvement, Patient Flow, Healthcare Industry Knowledge, Operations Management, Organizational Change, Organizational Effectiveness, Health Care, Customer experience improvement, Innovation, Change Management, Consumer Behaviour
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Pay Per Click Advertising, Search Engine Marketing, Customer Retention, Digital Marketing, Search Engine Optimization, Keyword Research, Digital Advertising, Marketing Strategies, Marketing, Customer Acquisition Management, Web Analytics and SEO, Content Marketing, Lead Generation, Target Audience
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Email Automation, Legal Technology, Creativity, Presentations, Persuasive Communication, Editing, Writing, Communication, Artificial Intelligence, Public Speaking, Generative AI, Critical Thinking
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Collaboration, Time Management, Productivity, Organizational Skills, User Accounts
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Pandas (Python Package), Pivot Tables And Charts, Data Manipulation, Data Import/Export, NumPy, Time Series Analysis and Forecasting, Business Reporting, Jupyter, Data Wrangling, Microsoft Excel, Data Transformation, Matplotlib, Data Analysis, Data Cleansing, Data Preprocessing, Analytics, Data Processing, Management Reporting, Business Analytics, Python Programming
Beginner · Specialization · 1 - 3 Months

University of California, Davis
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Exploit development, Penetration Testing, Application Security, Vulnerability Assessments, Code Review, Vulnerability Management, Secure Coding, Authorization (Computing), Java, Java Programming, Dependency Analysis, Docker (Software), JSON, Git (Version Control System)
Intermediate · Course · 1 - 4 Weeks