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.

New York University
Skills you'll gain: Security Engineering, Authentications, Threat Modeling, Network Security, Public Key Infrastructure, Distributed Denial-Of-Service (DDoS) Attacks, Firewall, Cyber Attacks, Cryptography, Infrastructure Security, Cybersecurity, Cyber Security Strategy, Data Encryption Standard, Cyber Risk, Mobile Security, Enterprise Security, Computer Security, Application Security, Threat Detection, Cyber Security Policies
Beginner · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Security Information and Event Management (SIEM), Cloud Security, Business Continuity Planning, System Monitoring, Network Security, Continuous Monitoring, Cyber Operations, Disaster Recovery, Incident Response, Cloud Computing, Zero Trust Network Access, Security Controls, Data Security, Firewall, Virtual Private Networks (VPN), Service Level Agreement, Vulnerability Management, Patch Management, Clinical Monitoring, Configuration Management
Intermediate · Course · 1 - 4 Weeks

Intermediate · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Team Management, Team Leadership, Leadership and Management, People Management, Team Building, Staff Management, Team Motivation, Teamwork, Delegation Skills, Conflict Management, Leadership, Communication, Problem Solving, Interpersonal Communications, Leadership Development, Business Leadership, Employee Coaching, Creative Problem-Solving, Coaching, Personal Development
Mixed · Course · 1 - 3 Months
Skills you'll gain: Apache Kafka, Data Loss Prevention, Performance Tuning, System Monitoring, Prometheus (Software), Scalability, Real Time Data, Grafana, Process Optimization, Distributed Computing, System Configuration, Command-Line Interface, Content Strategy
Intermediate · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Responsible AI, AI Security, Data Ethics, Governance, Data Governance, Law, Regulation, and Compliance, Ethical Standards And Conduct, Compliance Training, Artificial Intelligence, Business Ethics, Compliance Management, Accountability, Regulatory Requirements, Governance Risk Management and Compliance, General Data Protection Regulation (GDPR), Personally Identifiable Information, Information Privacy, Stakeholder Engagement
Beginner · Course · 1 - 3 Months

Universidad Austral
Skills you'll gain: Law, Regulation, and Compliance, Labor Law, European History, Governance, Political Sciences, World History, Culture, Sociology, Socioeconomics
Beginner · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Adobe InDesign, Layout Design, Graphic Design, Graphic and Visual Design, Adobe Creative Cloud, Document Management, Graphic and Visual Design Software, Typography, Style Guides, Design Elements And Principles, Productivity Software, User Interface (UI), Color Theory
Mixed · Course · 1 - 3 Months

École normale supérieure
Skills you'll gain: Algebra, Linear Algebra, Combinatorics, Arithmetic, Advanced Mathematics, Theoretical Computer Science, Mathematics and Mathematical Modeling
Mixed · Course · 1 - 3 Months

Skills you'll gain: Virtual Reality, UI Components
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Data Literacy, Data Analysis, JSON, Data Transformation, Financial Data, Power BI, Data Wrangling, Data Import/Export, Automation, Business Reporting, Data Cleansing, Extract, Transform, Load, Financial Reporting, Data Structures, Data Pipelines, Data Governance, Data Integrity
Intermediate · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Delegation Skills, Supervision, Organizational Skills, Management Training And Development, Creative Thinking, Organizational Strategy, Leadership Development, Strategic Planning, Cognitive flexibility, Creative Problem-Solving, Team Leadership, Leadership, Empathy & Emotional Intelligence, Brainstorming, Emotional Intelligence, Problem Solving, Quality Management, Time Management, Business Planning, Coaching
Beginner · Specialization · 3 - 6 Months