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.

Logical Operations
Skills you'll gain: Employee Performance Management, Performance Appraisal, People Development, Performance Review, Employee Engagement, Performance Management, Communication, Goal Setting, Goal-Oriented, Performance Metric, Performance Measurement, Performance Analysis, Employee Onboarding, Performance Reporting, Active Listening, Motivational Interviewing, Job Analysis, Personal Development, Interviewing Skills, Job Evaluation
Mixed · Course · 1 - 3 Months

Banco Interamericano de Desarrollo
Skills you'll gain: Communication, Public Speaking, Resilience, Personal Development, Professional Development, Emotional Intelligence, Mentorship, Branding, Self-Awareness, Leadership, Empathy, Leadership and Management, Social Media, Decision Making
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Programming Principles, Computational Logic, Software Development Tools, Development Environment, Secure Coding, Business Logic, Other Programming Languages, Program Development, Data Structures, Data Management, Development Testing, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Virtual Teams, Sales Presentation, Sales, Rapport Building, Relationship Building, Non-Verbal Communication, Virtual Environment, Customer Engagement, Drive Engagement, Microsoft Teams, Global Marketing, Brand Management, Overcoming Objections, Executive Presence, Communication Strategies, Trustworthiness
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Ajax, Java Programming, Test Script Development, Java, Software Testing, Test Automation, Scripting, Web Development Tools, Object Oriented Programming (OOP), Automation, Debugging
Intermediate · Course · 3 - 6 Months

Google Cloud
Skills you'll gain: Google Cloud Platform, Cloud Management, Event Monitoring, System Monitoring, Application Performance Management, Cloud Storage, Data Management
Beginner · Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Penetration Testing, Exploitation techniques, Cyber Security Assessment, Unix, Vulnerability Assessments, Unix Commands, Unix Shell, System Programming, Shell Script, Linux, Debugging, Linux Commands, Computer Architecture, Authentications
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Rmarkdown, Box Plots, Plot (Graphics), Descriptive Statistics, Scatter Plots, Histogram, Jupyter, Matplotlib, Data Presentation, Ggplot2, Statistical Visualization, Data Manipulation, Statistical Hypothesis Testing, Regression Analysis, Correlation Analysis, Data Visualization, Data Visualization Software, Data Analysis, R Programming, Python Programming
Beginner · Specialization · 3 - 6 Months

Northeastern University
Skills you'll gain: Data Warehousing, Extract, Transform, Load, Data Integration, Data Modeling, Data Architecture, Star Schema, Data Governance, Database Design, Data Management, SQL, Relational Databases, Business Intelligence, Data Mining, Data Quality, Data Analysis, Systems Design
Mixed · Course · 1 - 3 Months

Skills you'll gain: JSON, Application Programming Interface (API), Application Development, Data Access, Restful API, Python Programming, User Interface (UI)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Microsoft Office, Document Management, Business Writing, Visualization (Computer Graphics), Data Management, Business Communication, Business Development
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, Software Design Patterns, Unified Modeling Language, Java Programming, Software Architecture, Application Design, User Interface and User Experience (UI/UX) Design, Software Engineering, API Design, Software Development
Build toward a degree
Intermediate · Course · 1 - 3 Months