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.

Universiteit Leiden
Skills you'll gain: Policy Analysis, Public Policies, Economics, Policy, and Social Studies, Policy Development, Environmental Policy, Program Evaluation, Governance, Immigration Law, Research Methodologies
Intermediate · Course · 1 - 3 Months

Skills you'll gain: ASP.NET, .NET Framework, Software Design Patterns, Software Design, Maintainability, Software Architecture, C# (Programming Language), Microsoft Visual Studio, Application Programming Interface (API), Restful API, Development Testing, User Interface (UI), Debugging, Unit Testing, Front-End Web Development, Integration Testing, Authentications, Data Validation
Intermediate · Course · 1 - 3 Months

SkillUp
Skills you'll gain: Dynamic Host Configuration Protocol (DHCP), Windows Servers, iSCSI Configuration, Virtual Private Networks (VPN), Microsoft Windows, Network Administration, Microsoft Azure, Windows PowerShell, Public Key Infrastructure, Data Storage Technologies, Infrastructure As A Service (IaaS), Cloud Storage, Proxy Servers, Web Applications
Intermediate · Course · 1 - 4 Weeks

Alberta Machine Intelligence Institute
Skills you'll gain: Generative AI, Generative Model Architectures, Generative Adversarial Networks (GANs), Vision Transformer (ViT), Image Analysis, Embeddings, Autoencoders, Convolutional Neural Networks, Responsible AI, Computer Vision, Music, Recurrent Neural Networks (RNNs)
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Network Troubleshooting, Virtual Local Area Network (VLAN), Computer Displays, Peripheral Devices, TCP/IP, Local Area Networks, Dynamic Host Configuration Protocol (DHCP), General Networking, USB, Wireless Networks, Computer Networking, Network Routers, Network Infrastructure, Hardware Troubleshooting, Network Switches, Network Protocols, Computer Hardware
Beginner · Course · 1 - 3 Months

Skills you'll gain: Exploitation techniques, Scripting, Brute-force attacks, Python Programming, Command-Line Interface, Program Development, Network Protocols, TCP/IP, Data Persistence, Debugging
Advanced · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Oral and Dental Care, Oral Health, Oral Cancer Screening, Dentistry, Cardiology, Pain Management, General Medicine, Endocrinology, Oncology, Hematology, Pharmacology
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Secure Coding, Penetration Testing, Security Testing, Application Security, Payment Systems, Incident Response, Vulnerability Scanning, Code Review, Authorization (Computing), Data Validation
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Bash (Scripting Language), Linux Commands, Shell Script, Linux, Linux Administration, Unix Shell, File Management, Unix, Unix Commands, File Systems, Scripting, Command-Line Interface, Scripting Languages, Remote Access Systems, Data Manipulation, Data Processing, Data Management, Development Environment
Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Commercial Laws, Risk Management, Business Risk Management, Entrepreneurial Finance, Vendor Contracts, Legal Risk, Contract Negotiation, Entrepreneurship, Contract Management, Contract Review, Legal Strategy, New Business Development, Civil Law, Lawsuits, Intellectual Property, Sales Presentation, Finance, Fundraising
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Anomaly Detection, Intrusion Detection and Prevention, Malware Protection, Cyber Threat Hunting, Threat Detection, Network Analysis, AI Security, Applied Machine Learning, Model Evaluation, Network Security, Unsupervised Learning, Performance Testing, Analysis, Classification Algorithms, Microsoft Windows
Intermediate · Course · 1 - 4 Weeks
University of Toronto
Skills you'll gain: Community Mental Health Services, Mental Health Diseases and Disorders, Health Disparities, Mental Health, Social Determinants Of Health, Social Justice, Socioeconomics, Culture, Cultural Diversity, Family Support, Caregiving
Mixed · Course · 1 - 3 Months