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 Colorado System
Skills you'll gain: Cryptography, Data Integrity, Encryption, Authentications, Information Assurance, Data Security, Public Key Cryptography Standards (PKCS)
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Looker (Software), Data Manipulation, Data Analysis Expressions (DAX), Pivot Tables And Charts, Ad Hoc Analysis, Data Cleansing, Data Management, Analysis, Google Cloud Platform
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Performance Management
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Marketing Analytics, Business Intelligence, Predictive Modeling, Business Analytics, Google Analytics, Customer Analysis, Analytics, Model Evaluation, Predictive Analytics, Advanced Analytics, Customer Insights, Trend Analysis, Artificial Intelligence, Performance Metric, Natural Language Processing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Hardware Troubleshooting, Computer Security Awareness Training, Information Systems Security, Malware Protection, Data Security, Technical Support and Services, Encryption, Security Awareness, Authentications, Patch Management, Technical Support, Firewall, Data Integrity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, OpenAI API, Context Management, User Interface (UI), Vector Databases, Debugging
Advanced · Course · 1 - 3 Months

Tecnológico de Monterrey
Skills you'll gain: Negotiation, Emotional Intelligence, Communication, Conflict Management, Relationship Building, Interpersonal Communications, Collaboration, Empathy, Active Listening, Critical Thinking
Intermediate · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Cinematography, Videography, Post-Production, Video Production, Storytelling, Proposal Writing, Storyboarding, Target Audience, Presentations, Sales Presentations, Business Writing, Promotional Strategies, Marketing, Concision, Editing, Creativity, Writing, Color Matching
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Process Mapping, Business Process Modeling, Process Analysis, Business Process Improvement, Process Design, Business Process Management, Process Improvement, Lean Methodologies, Systems Thinking, Lean Six Sigma, Change Management, Quality Improvement, Process Flow Diagrams, Six Sigma Methodology, Stakeholder Analysis, Agile Methodology, Matrix Management, Dataflow, Prioritization, Generative AI
Beginner · Course · 1 - 3 Months

Skills you'll gain: Legal Strategy, Business Ethics, Price Negotiation, Cultural Responsiveness, AI Personalization, Data-Driven Decision-Making
Intermediate · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Physics, Advanced Mathematics, Simulations, Mechanics, Mathematical Modeling, Calculus, Differential Equations, Physical Science, Computer Programming
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Responsible AI, Data Ethics, Data Governance, Artificial Intelligence, Dependency Analysis, Information Privacy, Law, Regulation, and Compliance, Personally Identifiable Information, Ethical Standards And Conduct, General Data Protection Regulation (GDPR), Data-Driven Decision-Making, Risk Management Framework, Model Evaluation
Intermediate · Course · 1 - 4 Weeks