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.

Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Application Security, Security Testing, DevSecOps, Threat Modeling, Vulnerability Scanning, Continuous Monitoring, Vulnerability Assessments, Application Performance Management, System Monitoring, Development Environment, Data Security, Software Development Life Cycle
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Transaction Processing, Data Persistence, Performance Tuning, System Programming, Operating Systems, C++ (Programming Language), System Configuration, Computer Architecture, Data Storage, Computer Hardware, Data Storage Technologies, Application Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Workflows, AI Orchestration, Agentic Workflows, Model Deployment, AI Security, Decision Making
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Exploratory Data Analysis, Ggplot2, Data Visualization Software, Tidyverse (R Package), Data Visualization, Version Control, Data Analysis, Statistical Methods, Data Wrangling, R Programming, GitHub, Data Transformation, Statistical Analysis, Git (Version Control System), Data Manipulation, Statistical Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Medical Privacy, Personally Identifiable Information, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Information Privacy, Security Awareness, Data Security, Cybersecurity, Information Assurance, Security Controls, Health Information Management, Data Sharing, Data Access, Identity and Access Management, Regulatory Compliance
Beginner · Course · 1 - 3 Months

Skills you'll gain: Root Cause Analysis, Correlation Analysis, Regression Analysis, Data Collection, Descriptive Statistics, Statistical Hypothesis Testing, Statistical Analysis, Process Analysis, Six Sigma Methodology, Lean Six Sigma, Data Analysis, Process Improvement, Statistical Inference, Pareto Chart
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Restful API, Ajax, Full-Stack Web Development, API Design, Node.JS, Postman API Platform, Web Applications, Application Programming Interface (API), Back-End Web Development, Web Servers, Web Development Tools, API Testing, Web Development, Javascript, Front-End Web Development, JSON, Middleware
Advanced · Course · 1 - 3 Months

Skills you'll gain: Dashboard, Salesforce Development, Salesforce, Analytics, Data Import/Export, Data Presentation, Data Analysis, Business Reporting, Data Cleansing, Data Management, Interactive Data Visualization, Data Sharing, Data Validation, Data Security
Beginner · Course · 1 - 4 Weeks

IE Business School
Skills you'll gain: Diversity Equity and Inclusion Initiatives, Diversity and Inclusion, Diversity Awareness, Diversity Training, Workplace inclusivity, Cognitive flexibility, Disabilities, Cultural Diversity, Intercultural Competence, Culture, Innovation, Human Resource Policies, Empathy, Gerontology, People Management, Organizational Effectiveness, Employee Engagement, Organizational Change, Sociology, Team Management
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Descriptive Statistics, Statistical Hypothesis Testing, Regression Analysis, Probability Distribution, Statistical Analysis, R Programming, Data Import/Export, Statistical Modeling, Statistical Methods, Tidyverse (R Package), Data Literacy, Plot (Graphics), Statistics, Data Manipulation, Data Analysis, Statistical Inference, Data Structures
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Digital Forensics, Risk Management, Incident Response, Threat Management, Risk Analysis, Business Risk Management, Cyber Security Policies, Secure Coding, Cybersecurity, Computer Security Incident Management, Cyber Security Assessment, Application Security, ISO/IEC 27001, Data Security, Malware Protection, Penetration Testing, Security Controls, Threat Detection, Compliance Management, Governance
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Persistence, Virtual Networking, Proxy Servers, Key Management, Network Routing, YAML, Application Deployment, Disaster Recovery
Advanced · Course · 3 - 6 Months