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.

Arizona State University
Skills you'll gain: Manufacturing Processes, Schematic Diagrams, Engineering Design Process, Computer-Aided Design, Production Process, 3D Assets, Materials science, Design Strategies, Prototyping, Mechanical Engineering, Process Engineering, 3D Modeling, Manufacturing Operations, Design, Equipment Design, Experimentation, Laboratory Experience, Manufacturing and Production, Systems Of Measurement, Process Analysis
Beginner · Specialization · 3 - 6 Months

University of Minnesota
Skills you'll gain: Performance Management, Performance Appraisal, Performance Review, Compensation Management, Compensation Strategy, Compensation and Benefits, Constructive Feedback, Workforce Planning, Human Resource Strategy, Human Resources, Employee Onboarding, Recruitment, Employee Performance Management, Recruitment Strategies, Full Cycle Recruitment, Talent Acquisition, Human Resource Policies, Human Resources Management and Planning, Compensation Analysis, People Management
Beginner · Specialization · 3 - 6 Months

University of California, Davis
Skills you'll gain: Peer Review, Language Learning, Spanish Language, Oral Expression, Grammar, Oral Comprehension, Vocabulary, Culture, Writing and Editing, Language Competency, Research, Writing
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Active Listening, Problem Solving, Collaboration, Presentations, Critical Thinking and Problem Solving, Interpersonal Communications, Teamwork, Conflict Management, Creative Problem-Solving, Constructive Feedback, Creative Thinking, Root Cause Analysis, Team Building, Virtual Teams, Public Speaking, Persuasive Communication, Client Services, Professional Development, Ability To Meet Deadlines, Business Research
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Debugging, Python Programming, Cybersecurity, Scripting, Programming Principles, IT Automation, Algorithms, Automation, Computer Programming, File Management, Data Structures
Beginner · Course · 1 - 4 Weeks

École Polytechnique
Skills you'll gain: Probability, Probability Distribution, Simulations, Probability & Statistics, Statistical Methods, Mathematical Modeling, Mathematical Theory & Analysis, Applied Mathematics
Mixed · Course · 1 - 3 Months

Skills you'll gain: Data Wrangling, Exploratory Data Analysis, Model Evaluation, Data Analysis, Predictive Modeling, Data Pipelines, Data Import/Export, Regression Analysis, Data Science, Pandas (Python Package), Data Manipulation, Predictive Analytics, Data Cleansing, Statistical Analysis, Scikit Learn (Machine Learning Library), Data Preprocessing, Matplotlib, Data Visualization, Scatter Plots, Python Programming
Intermediate · Course · 1 - 3 Months

École Polytechnique
Skills you'll gain: Vibrations, Engineering Analysis, Hydraulics, Environmental Engineering, Civil Engineering, Mechanical Engineering, Engineering, Mechanics, Chemical and Biomedical Engineering, Biological Engineering, Simulations, Mathematical Modeling
Intermediate · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Arithmetic, Geometry, Mathematics Education, Systems Of Measurement, General Mathematics
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Linear Algebra, Applied Mathematics, Data Science, Data Analysis, Statistical Methods, Algebra, Numerical Analysis
Intermediate · Course · 1 - 3 Months

MathWorks
Skills you'll gain: Image Analysis, Matlab, Computer Vision, Spatial Data Analysis, Digital Signal Processing, Geospatial Information and Technology, Quantitative Research, Algorithms
Beginner · Course · 1 - 4 Weeks
University of Virginia
Skills you'll gain: User Story, Agile Software Development, Usability Testing, Agile Product Development, Design Thinking, Agile Project Management, Agile Methodology, Persona Development, Scrum (Software Development), Sprint Planning, Peer Review, Continuous Delivery, Product Testing, Customer Insights, User Research, Prototyping, User Centered Design, Kanban Principles, Product Development, Persona (User Experience)
Beginner · Specialization · 3 - 6 Months