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.

University of California, Irvine
Skills you'll gain: Verbal Communication Skills, Public Speaking, Communication, Oral Comprehension, Active Listening, Planning, Organizational Skills
★ 4.7 (49) · Intermediate · Course · 1 - 3 Months

Universitat Politècnica de València
Beginner · Course · 1 - 3 Months
University of Toronto
Skills you'll gain: Community Mental Health Services, Mental Health Diseases and Disorders, Health Disparities, Mental Health, Social Determinants Of Health, Psychiatry, Community Health, Social Justice, Socioeconomics, Culture, Cultural Diversity, Mental and Behavioral Health, Family Support, Cultural Sensitivity, Caregiving
★ 4.7 (604) · Mixed · Course · 1 - 3 Months

Tsinghua University
Skills you'll gain: Data Structures, Algorithms, Theoretical Computer Science, Computer Programming, Computer Science
★ 3.1 (34) · Intermediate · Course · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Clinical Monitoring, Sample Size Determination, Clinical Trials, Clinical Research, Statistical Reporting, Sampling (Statistics), Statistical Analysis, Analysis, Data Analysis, Statistical Methods, Patient Safety, Bayesian Statistics, Data Presentation, Communication
★ 4.7 (98) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Request for Proposal, Presentations, Technical Communication, Persuasive Communication, Proposal Writing, Oral Expression, Proposal Development, Technical Writing, Intercultural Competence, Public Speaking, Verbal Communication Skills, Design Thinking, Communication, Teamwork, Communication Strategies, Concision, Communication Planning, Innovation, Professional Development, Target Audience
★ 4.9 (16) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Exploit development, Network Security, Vulnerability, Cybersecurity, Vulnerability Assessments, Human Factors (Security), Information Systems Security, Data Persistence
★ 4.3 (38) · Intermediate · Course · 1 - 3 Months

Yale University
★ 4.8 (46) · Beginner · Course · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Leadership Development, Employee Coaching, Strategic Leadership, Leadership Studies, Leadership, Organizational Leadership, Leadership and Management, Team Leadership, Diversity and Inclusion, Diversity Equity and Inclusion Initiatives, Team Performance Management, Strategic Planning, Team Management, Team Building, Organizational Strategy, Coaching, Human Resource Strategy, Employee Performance Management, Mentorship, Collaboration
★ 4.4 (26) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Customer Retention, Customer Insights, Statistical Methods, Statistical Analysis, R Programming, Data Analysis, Statistics, Performance Metric, Business Metrics, Statistical Software, Analytics, R (Software), Product Strategy, Customer Engagement
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Algorithms, Bioinformatics, Graph Theory, Computational Thinking, Data Structures
★ 4.8 (1.3K) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Business Transformation, Site Reliability Engineering, Innovation, Digital Transformation, Cloud Infrastructure, Culture Transformation, Technology Strategies, Cloud Security, Continuous Delivery, Cloud Platforms, Data Mapping, Safety Culture, Cloud Hosting, Cloud Computing Architecture, Organizational Change, Cloud Solutions, Change Management, Continuous Deployment, People Management, Organizational Development
★ 4.7 (2.6K) · Beginner · Specialization · 1 - 3 Months