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.

Akamai Technologies, Inc.
Skills you'll gain: SQL, Linux, Endpoint Security, Database Management, Incident Response, Relational Databases, Network Security, Database Systems, Vulnerability Scanning, Computer Security Incident Management, Security Management, Ubuntu, Linux Administration, File Systems, Routing Protocols, OSI Models, Application Development, Remote Access Systems, Scripting, MySQL
Beginner · Professional Certificate · 3 - 6 Months

University of California San Diego
Skills you'll gain: Bioinformatics, Algorithms, Data Structures, Text Mining, Theoretical Computer Science, Computational Thinking
Intermediate · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Storytelling, Oral Expression, Writing, Liberal Arts, Editing, Ethical Standards And Conduct, Research, Diversity Awareness, Social Studies, Social Justice, World History, Cultural Diversity, Culture, Creativity, Political Sciences, Advocacy, Public History
Beginner · Specialization · 3 - 6 Months
École Polytechnique
Skills you'll gain: Physics, Global Positioning Systems, Physical Science, electromagnetics, General Science and Research, Mechanics, Technology Solutions, Engineering, Scientific, and Technical Instruments, Simulations
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Non-Verbal Communication, Mentorship, Emotional Intelligence, Personal Development, Self-Awareness, Interpersonal Communications, Social Skills, Coaching, Empathy, Leadership Development, Resilience, Team Building, Leadership
Intermediate · Course · 1 - 4 Weeks

École Polytechnique
Skills you'll gain: Experimentation, Physics, Engineering, Scientific, and Technical Instruments, Science and Research, Laboratory Equipment, General Science and Research, Physical Science
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Threat Detection, Workflow Management, Cyber Operations, Cybersecurity, Stakeholder Management, Security Information and Event Management (SIEM), Incident Response, Computer Security Incident Management, Cyber Attacks, Infrastructure Security, Event Monitoring, Data Security, Performance Measurement, Automation
Mixed · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: OpenAI API, ChatGPT, Prompt Engineering, LLM Application, Large Language Modeling
Beginner · Project · Less Than 2 Hours

American Psychological Association
Skills you'll gain: Mental Health Diseases and Disorders, Substance Abuse, Clinical Psychology, Mental and Behavioral Health, Psychiatry, Trauma Care, Mental Health, Psychology, Psychosocial Assessments, Cognitive Behavioral Therapy, Behavioral Health, Psychotherapy, Pharmacology, Diagnostic Tests, Psychological Evaluations, Neurology, Cultural Diversity, Patient Treatment, Epidemiology, Patient Evaluation
Beginner · Specialization · 3 - 6 Months

IESE Business School
Skills you'll gain: Human Resource Policies, Human Resources Management and Planning, People Management, Talent Management, Compensation Management, Compensation Strategy, Recruitment, Talent Recruitment, Employee Performance Management, Performance Appraisal, Leadership Development, Leadership, Persona (User Experience)
Mixed · Course · 1 - 3 Months

Unilever
Skills you'll gain: Data Storytelling, Marketing Automation, Web Analytics, Marketing Effectiveness, Marketing Analytics, Customer Insights, Digital Marketing, Social Media Campaigns, Market Analysis, Google Analytics, Digital Advertising, Social Media Marketing, Customer Analysis, Search Engine Marketing, Advertising Campaigns, Marketing Strategies, Social Media Strategy, Customer experience strategy (CX), Marketing, MarTech
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Microsoft PowerPoint, Presentations, Data Storytelling, Verbal Communication Skills, Public Speaking, Data Visualization, Business Communication, Storytelling, Communication, Peer Review, Communication Strategies, Data Analysis, Target Audience
Beginner · Course · 1 - 4 Weeks