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.

University of Colorado System
Skills you'll gain: Unified Modeling Language, Unit Testing, Software Design, Data Flow Diagrams (DFDs), Object Oriented Design, Software Engineering, Software Development Tools, Software Testing, Program Development, Software Architecture, Ethical Standards And Conduct, Algorithms
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Earned Value Management, Milestones (Project Management), Project Management Life Cycle, Project Schedules, Timelines, Communication Planning, Capacity Planning, Project Management Software, Project Management, Workflow Management, Stakeholder Management, Meeting Facilitation, Project Documentation, Stakeholder Communications, Dashboard, Backlogs, Project Planning, Jira (Software), Interviewing Skills, Collaboration
Beginner · Professional Certificate · 3 - 6 Months
CertNexus
Skills you'll gain: Extract, Transform, Load, Data Migration, Data Manipulation, Data Preprocessing, Data Cleansing, Data Transformation, Data Warehousing, Data Integration, Data Collection, Data Mining, SQL
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Event-Driven Programming, Server Side, Front-End Web Development, Computer Networking
Beginner · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: Public Policies, Political Sciences, Policy Analysis, Social Sciences, International Relations, Cultural Diversity, Diversity Awareness, Sociology, World History, Economics
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Feature Engineering, Decision Tree Learning, Applied Machine Learning, Supervised Learning, Advanced Analytics, Machine Learning, Machine Learning Algorithms, Unsupervised Learning, Analytics, Random Forest Algorithm, Data Analysis, Predictive Modeling, Model Evaluation, Bayesian Network, Python Programming, Statistical Modeling, Classification Algorithms
Advanced · Course · 1 - 3 Months

Skills you'll gain: SQL, SAS (Software), Stored Procedure, Metadata Management, Data Integrity, Query Languages, Relational Databases, Data Manipulation, Data Analysis Software, Data Transformation, Data-Driven Decision-Making, Performance Tuning, Data Governance, Scripting, Debugging, Data Wrangling, Database Management, Data Analysis, Computational Logic, Data Management
Beginner · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Prototyping, Usability Testing, Wireframing, Interaction Design, User Experience Design, Figma (Design Software), Usability, User Interface (UI) Design, Mockups, UI/UX Research, Design Thinking, User Research, Style Guides
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Application Deployment, Cloud Infrastructure, CI/CD, Cloud Security, Service Level Agreement, Microservices, Google Cloud Platform, Network Architecture, Site Reliability Engineering, Cloud Computing Architecture, Kubernetes, Restful API, Cloud Storage, Cloud Computing, Key Performance Indicators (KPIs), DevOps, Virtual Networking, System Design and Implementation, Load Balancing, Disaster Recovery
Advanced · Course · 1 - 3 Months

Digital Marketing Institute
Skills you'll gain: Social Media Marketing, Social Media Management, Facebook, Instagram, Target Audience, Advertising Campaigns, Social Media Campaigns, Social Media Strategy, Web Analytics, Digital Advertising, Brand Awareness, Performance Measurement, Content Creation
Beginner · Course · 1 - 4 Weeks

SkillUp
Skills you'll gain: Dynamic Host Configuration Protocol (DHCP), Windows Servers, iSCSI Configuration, Virtual Private Networks (VPN), Microsoft Windows, Network Administration, Microsoft Azure, Windows PowerShell, Data Storage Technologies, Public Key Infrastructure, Infrastructure As A Service (IaaS), Cloud Storage, Proxy Servers, Web Applications
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Electronics, Communication Systems, Hardware Design, Digital Communications, Serial Peripheral Interface, Electronic Systems, Electrical Engineering, Telecommunications, Digital Signal Processing, Failure Analysis, Electronic Components, Basic Electrical Systems, Estimation, Engineering Analysis, Network Analysis, Simulation and Simulation Software
Mixed · Course · 1 - 4 Weeks