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.

Johns Hopkins University
Skills you'll gain: Mathematical Modeling, Advanced Mathematics, Mathematical Theory & Analysis, Applied Mathematics, Algebra, Arithmetic, Graphing, Engineering Calculations
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Music, Music Theory, Aesthetics, Sensory Systems Analysis, Culture, Psychology, Cultural Diversity, Neurology, Science and Research
★ 5 (8) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Embedded Software, Performance Tuning, System Programming, Software Development Tools, Embedded Systems, Memory Management, Microarchitecture, Software Development, Hardware Architecture, Debugging, Secure Coding, Build Tools, Application Security, Computer Architecture, System Configuration, Programming Principles, C (Programming Language), Digital Signal Processing, Application Development, C++ (Programming Language)
★ 4.7 (210) · Intermediate · Specialization · 3 - 6 Months

Parsons School of Design, The New School
Skills you'll gain: Chemistry, Sustainable Architecture, Pollution Prevention, Health And Safety Standards, Hazard Analysis, Occupational Hygiene, Environment Health And Safety, Sustainable Design, Sustainable Technologies, Environmental Science, Materials science, Health Disparities, Environmental Issue, Risk Analysis, Endocrinology
★ 4.7 (14) · Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Oral and Dental Care, Oral Health, Oral Cancer Screening, Dental Care, Dentistry, Cardiology, Pain Management, General Medicine, Endocrinology, Dental Procedures, Oncology, Chronic Diseases, Hematology, Patient Treatment, Anesthesiology
★ 4.9 (827) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Security, Computer Hardware, Generative AI, Data Storage Technologies, Data Storage, Operating Systems, Microsoft 365, Hybrid Cloud Computing, Generative Model Architectures, Authorization (Computing), Data Security, Computer Science, OSI Models, Data Store, TCP/IP, Data Integrity, Cloud Computing, Data Processing, Network Protocols, Software Development
★ 4.8 (1.4K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Vulnerability Assessments, Vulnerability Management, Vulnerability Scanning, Cyber Security Assessment, Hardening, Threat Management, Security Testing, Patch Management, Cyber Risk, Threat Detection, Cyber Threat Hunting, Application Security, Cyber Attacks, Cyber Engineering, Cyber Security Policies, Dashboard Creation, Cyber Security Strategy, Cyber Governance, Network Engineering, Web Applications
Intermediate · Course · 1 - 4 Weeks

University of Toronto
Skills you'll gain: Apple iOS, iOS Development, Swift Programming, Mobile Development, Application Design, Application Development, User Interface (UI), UI Components, Human Computer Interaction, Interactive Design, Interaction Design, Graphical Tools, Graphic and Visual Design, Data Persistence, Animations, Computer Graphics, Persistence, Network Model
★ 4.1 (269) · Mixed · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Meeting Facilitation, Active Listening, Teamwork, Discussion Facilitation, Team Building, Team Management, Conflict Management, Constructive Feedback, Team Collaboration, Collaboration, Productivity, Expectation Management, Communication Strategies, Communication, Relationship Building
★ 4.8 (42) · Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Penetration Testing, Cyber Governance, Risk Management, Vendor Management, Governance Risk Management and Compliance, Security Awareness, Cyber Security Strategy, Security Strategy, Business Risk Management, Vendor Relationship Management, Security Testing, Risk Management Framework, Cyber Security Policies, Security Management, Compliance Management, Supplier Risk Management, Governance, Vulnerability Scanning, Enterprise Risk Management (ERM), Supplier Management
★ 4.5 (11) · Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: AI Security, Responsible AI, Data Ethics, LLM Application, Generative AI, Google Gemini, Artificial Intelligence, Cloud Security, Governance Risk Management and Compliance, Cyber Security Strategy, Security Strategy, Artificial Intelligence and Machine Learning (AI/ML), Computer Security Awareness Training, Network Security, Security Management, Cyber Attacks, Cyber Security Policies, Natural Language Processing, Risk Management, Supply Chain
Intermediate · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Social Media Marketing, Copywriting, Social Media, Social Media Management, Social Media Strategy, Social Media Content, Advertising Campaigns, Digital Marketing Tools, Marketing, Online Advertising, Advertising, Professional Networking, Social Media Campaigns, Digital Advertising, Driving engagement, Content Creation, Branding, Drive Engagement
Mixed · Course · 1 - 3 Months