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.

Yale University
Skills you'll gain: Environmental Science, Environment, Anthropology, Sustainable Development, Teaching, Liberal Arts, Storytelling, Community Development, Biology, Systems Thinking, Cultural Diversity, Physics
Mixed · Course · 1 - 3 Months

Epic Games
Skills you'll gain: Game Design, Video Game Development, Prototyping, Unreal Engine, Animation and Game Design, Virtual Reality, System Design and Implementation, Augmented and Virtual Reality (AR/VR), Creativity, User Interface (UI), UI Components
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Social Media Strategy, Social Media Campaigns, Social Media Marketing, Marketing Communications, Digital Media Strategy, Marketing Planning, Customer Insights, Content Performance Analysis, Driving engagement, Plan Execution, Earned Media, Content Creation, Content Strategy, Owned Media, Paid media, Goal Setting
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Tensorflow, Recurrent Neural Networks (RNNs), Time Series Analysis and Forecasting, Applied Machine Learning, Convolutional Neural Networks, Deep Learning, Predictive Modeling, Data Preprocessing, Artificial Neural Networks, Forecasting, Machine Learning
Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Data Storytelling, Revenue Recognition, Data Visualization, Data Literacy, Accrual Accounting, Infographics, Cash Flows, Accounting, Data Collection, Data Quality, Business Analytics, Financial Statements, Financial Accounting, Business Analysis, Big Data, Analytics, Asset Management, Data Analysis, Intellectual Property, Network Model
Intermediate · Specialization · 3 - 6 Months

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

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

LearnQuest
Skills you'll gain: B2B Sales, Consultative Selling, Stakeholder Engagement, Enterprise Sales, Performance Metric, Sales Presentations, Verbal Communication Skills, Oral Expression, Sales, Specialized Sales, Executive Presence, Sales Process, Sales Pipelines, Solution Sales Engineering, Sales Strategy, Technical Sales, Performance Analysis, Proposal Development, Customer Relationship Management (CRM) Software, Active Listening
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Adobe Firefly, Prompt Engineering, Adobe Express, Ideation, Generative AI, Presentations, Storyboarding, Writing, Creativity, Storytelling, Adobe Creative Cloud, Creative Design, Design Thinking, Graphic and Visual Design, Collaboration, Visual Design, Image Quality
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Global Marketing, Culture, Cultural Diversity, Management Training And Development, Intercultural Competence, B2B Sales, Target Market, Market Opportunities, Business Marketing, Human Resources, Human Resources Management and Planning, Organizational Strategy, Marketing Strategies, Organizational Structure, Communication Strategies
Beginner · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Keyword Research, Search Engine Optimization, Web Analytics and SEO, Competitive Analysis, Performance Analysis, Performance Metric, Performance Management, Analytics
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Cybersecurity, Cyber Security Strategy, Risk Management Framework, Infrastructure Security, Cyber Attacks, Cyber Risk, Cyber Security Policies, Public Safety and National Security, Cyber Security Assessment, Cyber Operations, Cyber Governance, Security Management, NIST 800-53, Incident Response, Security Strategy, Technology Roadmaps, Network Infrastructure, Technology Solutions, Transportation Operations, Legal Risk
Beginner · Specialization · 3 - 6 Months