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.

The Chinese University of Hong Kong
Skills you'll gain: Culture, Social Studies, Cultural Diversity, World History, Ancient History, Sociology, Social Sciences, Research, Science and Research, Political Sciences, Economics
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Field-Programmable Gate Array (FPGA), Hardware Design, Laboratory Experience, Embedded Software, Electronic Hardware, Engineering Documentation, Debugging, System Design and Implementation, Software Development, Simulation and Simulation Software, Development Environment, System Testing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Digital Forensics, Cyber Threat Hunting, Incident Response, Cyber Threat Intelligence, Penetration Testing, Computer Security Incident Management, Threat Modeling, Threat Detection, MITRE ATT&CK Framework, Cryptography, Security Testing, Incident Management, Application Security, Encryption, Cybersecurity, Security Management, Vulnerability Scanning, Cyber Security Assessment, Vulnerability Assessments, AI Security
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Marketing Analytics, Bayesian Statistics, Descriptive Statistics, Marketing Effectiveness, Statistical Hypothesis Testing, A/B Testing, Target Audience, Marketing Strategies, Statistical Inference, Sampling (Statistics), Data Collection, Data Modeling, Statistics, Advertising Campaigns, Campaign Management, Data Presentation, Marketing, Analytics, Performance marketing, Web Analytics
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Constructive Feedback, Marketing Materials, Advertising, Brand Strategy, Project Management, Marketing Effectiveness, Strategic Communication, Brand Management, Creative Design, Creative Thinking, Strategic Partnership, Agentic systems
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Storytelling, Campaign Management, Cross-Channel Marketing, Marketing Budgets, Integrated Marketing Communications, Marketing Effectiveness, Performance Analysis, Advertising Campaigns, Performance Reporting, Marketing Channel, Social Media Campaigns, Project Management, Data-Driven Decision-Making, Budget Management, Marketing Planning, Management Reporting, Milestones (Project Management), Marketing Communications, Marketing Analytics, Marketing Strategies
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Retrieval-Augmented Generation, Generative AI, Microsoft Copilot, Microsoft Azure, OpenAI API, Prompt Engineering, AI Security, OpenAI, Model Deployment, Microsoft Power Platform, LLM Application, AI Workflows, Microsoft Office, Natural Language Processing
Intermediate · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Blockchain, Cryptography, Transaction Processing, Network Protocols, Encryption, Data Structures, Distributed Computing, Virtual Environment, Data Integrity, Emerging Technologies, Data Validation, Algorithms, Verification And Validation
Beginner · Course · 1 - 4 Weeks

California Institute of the Arts
Skills you'll gain: Game Design, Prototyping, Software Design Documents, Visualization (Computer Graphics), Ideation, Conceptual Design, Usability Testing, Graphic and Visual Design, Peer Review, Creativity
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Warehousing, Data Architecture, Star Schema, Apache Hive, Snowflake Schema, Amazon Redshift, Data Storage, Data-Driven Decision-Making, Data Storage Technologies, Performance Testing, Data Processing, Analysis, Query Languages, Scalability, Technical Communication
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Microservices, Cloud Applications, Software Architecture, Google Cloud Platform, Event-Driven Programming, Service Oriented Architecture, Cloud Services, Cloud Computing Architecture, Scalability
Beginner · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Computational Logic, Logical Reasoning, Theoretical Computer Science, Deductive Reasoning, Data Structures, Computational Thinking, Computer Science, Algorithms
Beginner · Course · 1 - 3 Months