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 Illinois Urbana-Champaign
Skills you'll gain: C++ (Programming Language), Data Structures, Object Oriented Programming (OOP), Object Oriented Design, Graph Theory, Development Environment, Data Storage, Engineering Software, Unstructured Data, Computer Programming, Algorithms, Data Storage Technologies, Debugging, Program Development, Database Systems, Database Theory, Network Routing, Theoretical Computer Science
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Supplier Management, Vendor Management, Vendor Relationship Management, Supplier Relationship Management, Strategic Sourcing, Procurement, Compliance Management, Data Integrity, Workflow Management, Data Quality, Market Analysis
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Search Engine Optimization, Search Engine Marketing, Keyword Research, Google Analytics, Web Analytics
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Computer Vision, Artificial Intelligence, Image Analysis, Natural Language Processing, Generative AI, Model Deployment, OpenAI, Amazon Bedrock, AI Workflows, AI Security, Text Mining, Robotics, Prompt Engineering, Deep Learning, Reinforcement Learning, Scalability
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Vulnerability Scanning, Vulnerability Management, Vulnerability Assessments, Penetration Testing, Threat Modeling, Exploit development, Open Web Application Security Project (OWASP), Application Security, Cyber Security Assessment, Patch Management, Cybersecurity, Data Ethics, Cyber Engineering, Technical Communication, Technical Writing
Beginner · Course · 3 - 6 Months

Skills you'll gain: Kubernetes, Amazon Web Services, Prometheus (Software), Microservices, Identity and Access Management, Cloud-Native Computing, Application Deployment, Data Storage, Load Balancing, Cloud Computing Architecture, Grafana, Scalability, Microarchitecture
Intermediate · Course · 1 - 3 Months

Pontificia Universidad Católica del Perú
Mixed · Course · 1 - 4 Weeks
Skills you'll gain: Apache Kafka, Real Time Data, Apache Spark, Dashboard, PySpark, Data Pipelines, Business Intelligence, Data Persistence, JSON, Continuous Monitoring, Business Metrics, Data Integrity, Scalability
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft Access, Relational Databases, Database Design, Database Management, Data Integrity, Databases, Data Validation, Database Software, Query Languages, Microsoft 365, Data Management, Microsoft Office, Data Presentation, Productivity Software, User Interface (UI), User Interface (UI) Design
Mixed · Course · 1 - 3 Months

California Institute of the Arts
Skills you'll gain: Typography, Graphic Design, Visual Design, Design Elements And Principles, Creative Design, Layout Design, Photo Editing, Color Theory, Creativity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: CI/CD, Software Testing, Restful API, Test Case, Software Installation
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Data Presentation, Heat Maps, Geospatial Mapping, SQL, Data Visualization Software, Statistical Reporting, Statistical Visualization, Data Visualization, Plot (Graphics), Pivot Tables And Charts, Management Reporting, Business Reporting, Microsoft Access, Business Intelligence Software, Business Intelligence, Data Analysis Software, Data Analysis, Relational Databases, Query Languages, Microsoft Office
Intermediate · Specialization · 1 - 3 Months