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.

AI CERTs
Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, Prompt Patterns, Responsible AI, OpenAI, LLM Application, Generative AI, LangChain, Generative AI Agents, ChatGPT, Vibe coding, Natural Language Processing, Artificial Intelligence, AI Personalization, Debugging, Ideation, Productivity, Code Review, Computer Programming Tools, Ethical Standards And Conduct
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Model Deployment, Multi-Cloud, Cloud Security, AI Security, MLOps (Machine Learning Operations), DevSecOps, Cloud Management, Investigation, Microservices, Site Reliability Engineering, Security Controls, CI/CD, System Monitoring, Infrastructure as Code (IaC), Compliance Management, Automation, Kubernetes, Docker (Software), Incident Management, Performance Analysis
Intermediate · Specialization · 3 - 6 Months

MedCerts
Skills you'll gain: Conflict Management, Child Development, Cultural Responsiveness, Human Development, Mental Health Diseases and Disorders, Patient Education And Counseling, Patient-centered Care, Mental Health Therapies, Professionalism, Professional Development, Pediatrics, Time Management, Mental Health, Emotional Intelligence, Ethical Standards And Conduct, Teamwork, Interpersonal Communications, Conscientiousness, Psychiatric And Mental Health Nursing, Behavioral Health
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Dashboard, Data Storytelling, Marketing Budgets, Heat Maps, Looker (Software), Process Mapping, Customer Retention, SQL, Data Visualization, Marketing Analytics, Customer Insights, Tableau Software, Statistical Analysis, Predictive Analytics, Business Intelligence, Data Analysis, Time Series Analysis and Forecasting, Data-Driven Decision-Making, R Programming, Python Programming
Intermediate · Specialization · 3 - 6 Months

University of California, Davis
Skills you'll gain: Spanish Language, Grammar, Vocabulary, Oral Expression, Oral Comprehension, Writing
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Team Motivation, Self-Motivation, Motivational Skills, Goal Setting, Leadership and Management, Initiative and Leadership, Productivity, Employee Engagement, Personal Development, Self-Awareness, Mindfulness
Mixed · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Semiconductors, Electronic Components, Materials science, Electrical Engineering, Electronics Engineering, Mechanical Engineering, Electronics, Failure Analysis, Thermal Management, Chemical Engineering, Manufacturing Processes, Process Control, Structural Analysis, Chemistry, Engineering Calculations
Intermediate · Specialization · 3 - 6 Months

Starweaver
Skills you'll gain: Incident Response, Incident Management, Computer Security Incident Management, Cybersecurity, Cyber Attacks, Cyber Security Strategy, Cyber Threat Intelligence, Risk Management Framework, IT Service Management, Problem Management, IT Management, Business Risk Management, NIST 800-53, Test Planning, Employee Training, Continuous Improvement Process, Stakeholder Communications, Simulations, Root Cause Analysis
Intermediate · Course · 1 - 3 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Sustainable Development, Environment, Socioeconomics, Environmental Issue, Sustainable Design, Social Justice, Environment and Resource Management, Sustainability Standards, Climate Change Adaptation, Natural Resource Management, Social Impact
Beginner · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Productivity, Self-Motivation, Time Management, Student Support and Services, Prioritization, Overcoming Obstacles, Self-Discipline, Self-Awareness, Goal Setting, Behavior Management, Biology, Mental Health
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Pseudocode, Responsive Web Design, Computational Thinking, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, React.js, HTML and CSS, Debugging, Algorithms, Interviewing Skills, UI Components, Web Design and Development, Professional Development, Programming Principles, Jest (JavaScript Testing Framework), JavaScript Frameworks, Web Development Tools, Web Development, Software Development
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Web Analytics, Customer Analysis, Customer Insights, Analytics, User Feedback, Business Analytics, Analysis, Root Cause Analysis, User Flows, Performance Analysis, Data Presentation, Performance Metric, Key Performance Indicators (KPIs), Statistical Analysis, Data Capture, Taxonomy
Intermediate · Course · 1 - 4 Weeks