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 Pennsylvania
Skills you'll gain: Influencing, Active Listening, Negotiation, Communication, Communication Strategies, Persuasive Communication, Verbal Communication Skills, Contract Negotiation, Trustworthiness, Leadership, Interpersonal Communications, Business Communication, Strategic Communication, Relationship Building, Initiative and Leadership, Professional Networking, Innovation, Growth Mindedness, Personal Development, Optimism
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: System Monitoring, Computer Security Incident Management, Network Analysis, Data Integrity
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: AI Security, Penetration Testing, Network Security, Exploitation techniques, Open Web Application Security Project (OWASP), Cyber Security Assessment, Unix, Computer Security, Network Monitoring, Application Security, Cybersecurity, Artificial Intelligence and Machine Learning (AI/ML), Cryptographic Protocols, Network Protocols, Cryptography, Security Awareness, Generative AI Agents, Server Side, Web Applications, Machine Learning Algorithms
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Change Orders, Change Control, Project Schedules, Timelines, Initiative and Leadership, Sprint Planning, Project Planning, Planning, Waterfall Methodology, Scheduling, Project Estimation, Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Decision Support Systems, Strategic Decision-Making, Operational Efficiency, Predictive Modeling, Process Optimization, Business Modeling, Predictive Analytics, Data-Driven Decision-Making, Data Pipelines, Business Intelligence, Data Ethics, Scenario Testing, Forecasting, Governance, Artificial Intelligence and Machine Learning (AI/ML), Data Visualization, Scikit Learn (Machine Learning Library), Python Programming, Regression Testing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Wide Area Networks, Data Centers, Virtual Machines, Network Administration, Virtualization, Network Architecture, Virtual Private Networks (VPN), Wireless Networks, Computer Networking, Network Monitoring, Network Troubleshooting, Software-Defined Networking, Intrusion Detection and Prevention, Network Security, Cloud Computing, Distributed Denial-Of-Service (DDoS) Attacks, Key Management, Internet Of Things, Disaster Recovery
Advanced · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Data Storage, Query Languages, Vector Databases, Data Lakes, File Systems, Database Systems, SQL, Databases, Database Management Systems, Data Architecture, Cloud Storage, Data Warehousing, Amazon Web Services, Apache Kafka, Amazon S3, Data Pipelines, Apache Spark, Performance Tuning, Data Transformation
Intermediate · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Torque (Physics), Mechanics, Physics, Geometry, Algebra, Mechanical Engineering, Trigonometry, Calculus, Mathematical Modeling, Applied Mathematics, Problem Solving
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Amazon Web Services, AWS Identity and Access Management (IAM), Amazon Elastic Compute Cloud, Amazon S3, Cloud Computing, Public Cloud, Cloud Storage, Data Storage Technologies, Cloud Infrastructure, Data Storage, Identity and Access Management, User Accounts, Cloud Security, Solution Architecture
Beginner · Course · 1 - 3 Months

Skills you'll gain: Incident Response, Computer Security Incident Management, Incident Management, Cyber Threat Hunting, Endpoint Detection and Response, Intrusion Detection and Prevention, Threat Detection, Threat Management, Cybersecurity, Security Information and Event Management (SIEM), Event Monitoring, Cyber Attacks, Cyber Security Assessment, Continuous Monitoring, Security Management, Malware Protection, Cyber Engineering, Security Testing, Cyber Governance, Linux
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Editing, Writing, Planning, Brainstorming, Time Management, Overcoming Obstacles, Productivity, Creativity, Growth Mindedness, Learning Strategies
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: ASP.NET, Data Migration, Configuration Management, Data Validation, Database Application, Middleware, Debugging, Back-End Web Development, Database Management, Data Modeling, Restful API, Maintainability, Dependency Analysis, Performance Tuning, Software Design Patterns
Intermediate · Course · 1 - 3 Months