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.

Skillshare
Skills you'll gain: Adobe After Effects, Motion Graphics, Animations, Video Editing, Post-Production, Musical Composition, Video Production, Timelines, Typography, Media Production, Scripting, Performance Tuning
Intermediate · Specialization · 3 - 6 Months

École normale supérieure
Skills you'll gain: Sustainable Development, Economic Development, Energy and Utilities, Financial Systems, Climate Change Mitigation, Sustainable Business, Climate Change Adaptation, Environmental Science, Environmental Policy, Economics, Policy, and Social Studies, Economics, Governance, Public Policies
Intermediate · Course · 1 - 3 Months
Ludwig-Maximilians-Universität München (LMU)
Skills you'll gain: Mergers & Acquisitions, Customer Retention, Business Strategy, Growth Strategies, Product Strategy, Competitive Analysis, Market Dynamics, E-Commerce, Law, Regulation, and Compliance, Market Analysis
Mixed · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Learning Styles, Learning Strategies, Time Management, Personal Integrity, Organizational Skills, Active Listening, Literacy, Communication, Higher Education, Interpersonal Communications, Student Engagement, Blended Learning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Jenkins, CI/CD, Continuous Delivery, Continuous Deployment, DevOps, Continuous Integration, Devops Tools
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Learning Strategies, Test Planning, Goal Setting, Productivity, Professional Development, Planning
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: OSI Models, Network Security, TCP/IP, Cloud Computing, Cloud Infrastructure, Software-Defined Networking, Network Architecture, Virtual Networking, Wide Area Networks, Network Protocols, General Networking, Network Routers, Network Troubleshooting, Linux, Virtualization, Kubernetes, Load Balancing, Data Centers, Network Switches, Terraform
Build toward a degree
Intermediate · Specialization · 3 - 6 Months
University of California, Irvine
Skills you'll gain: Blockchain, FinTech, Cryptography, Distributed Computing, Transaction Processing, Payment Systems, Emerging Technologies, Digital Assets, Software Systems, Computer Systems, Software Architecture, Data Integrity, Network Analysis, Peer Review
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Keyword Research, Digital Publishing, Intellectual Property, Layout Design, Account Management, Tax Laws
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Strategic Communication, Target Audience, Campaign Management, Advertising, Marketing Communications, Advertising Campaigns, Resource Allocation, Communication Planning, Media Strategy, Brand Management, Public Relations, Paid media, Communication Strategies, Promotions and Campaigns, Social Media Campaigns, Marketing, Business Strategy, Communication, Business Communication, Business Process
Beginner · Specialization · 1 - 3 Months

MathWorks
Skills you'll gain: Plot (Graphics), Scripting, Matlab, Data Manipulation, Mathematical Modeling, Data Analysis, Data Visualization, Data Visualization Software, Descriptive Statistics, Interactive Data Visualization, Exploratory Data Analysis, Data Mapping, Data Cleansing, File Management, Technical Communication
Beginner · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Sales Strategy, Sales, Sales Management, Market Intelligence, Competitive Intelligence, Case Studies, Business Strategy, Customer Analysis, Analysis, Competitive Analysis, Strategic Decision-Making, Market Analysis, Business Research
Intermediate · Course · 1 - 4 Weeks