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 California, Davis
Skills you'll gain: Production Process, Process Control, Manufacturing Processes, Chemistry, Biochemistry, Consumer Behaviour, Laboratory Testing, Analytical Chemistry, Analytical Testing
Intermediate · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: ChatGPT, Calculus, Derivatives, Mathematical Software, Advanced Mathematics, Applied Mathematics, Mathematics Education, Machine Learning Algorithms, Algebra, Geometry, Mathematical Theory & Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Validation, Spreadsheet Software, Data Analysis, Analytics, Data Manipulation, Excel Formulas, Data Compilation, Pivot Tables And Charts, SQL, Data Integration, Data Transformation, User Feedback
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Virtual Private Networks (VPN), Firewall, Session Initiation Protocols, Remote Access Systems, Network Security, Network Architecture, Network Routing, Interoperability, Network Protocols, Telecommunications, Encryption, Communication Systems, Infrastructure Architecture, Scalability
Beginner · Course · 1 - 4 Weeks

ISAE-SUPAERO
Skills you'll gain: Finite Element Methods, Structural Analysis, Vibrations, Engineering Analysis, Mathematical Modeling, Mechanical Engineering, Linear Algebra, Civil Engineering, Mechanics, Numerical Analysis, Applied Mathematics, Control Systems, Differential Equations
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Bash (Scripting Language), Test Automation, Unit Testing, Scripting, Software Testing, Linux Commands, Test Driven Development (TDD), Unix Commands, Development Environment, Operating Systems, Command-Line Interface, File Management, OS Process Management, File Systems, Automation, Python Programming
Beginner · Course · 1 - 3 Months

Skills you'll gain: Quality Management, Project Closure, Team Management, Project Management, Project Management Life Cycle, Quality Assurance, Team Leadership, Project Controls, Project Implementation, Project Risk Management, Data Storytelling, Project Documentation, Continuous Improvement Process, Stakeholder Communications, Data-Driven Decision-Making, Process Improvement, Risk Management, Meeting Facilitation, Strategic Thinking
Beginner · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Design Thinking, Ideation, Sustainable Design, Creative Thinking, Creative Problem-Solving, Systems Thinking, Innovation, Sustainable Development, Biotechnology, Biology, Usability Testing, Prototyping, Communication, Empathy
Beginner · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: MITRE ATT&CK Framework, Incident Response, Cyber Threat Intelligence, Cyber Threat Hunting, Key Management, Data Security, Threat Modeling, Computer Security Incident Management, File Systems, Endpoint Security, Cryptography, Network Security, Distributed Denial-Of-Service (DDoS) Attacks, Linux, Malware Protection, Operating System Administration, Vulnerability Assessments, Threat Detection, Cybersecurity, Workflow Management
Beginner · Specialization · 3 - 6 Months

PepsiCo
Skills you'll gain: Water Sustainability, Water Resource Management, Water Resources, Hydrology, Water Quality, Stormwater Management, Corporate Sustainability, Stakeholder Engagement, Natural Resource Management, Environment and Resource Management, Supply Chain Management, Economic Development
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Digital Marketing, Search Engine Optimization, Keyword Research, ChatGPT, Content Development and Management, Web Content, Content Performance Analysis, Technical Writing, JSON
Beginner · Course · 1 - 4 Weeks

The University of Chicago
Skills you'll gain: Neurology, Physiology, Anatomy, Behavioral Health, Mental and Behavioral Health, Mental Health Diseases and Disorders, Vital Signs, Control Systems, Coordination, Biology, Communication Systems
Beginner · Course · 1 - 3 Months