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.

Coursera
Skills you'll gain: Version Control, GitLab, Continuous Integration, Software Versioning, CI/CD, Git (Version Control System), Software Development Tools, Javascript
Beginner · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: UI Components, JavaScript Frameworks, Web Frameworks, Event-Driven Programming, Data Import/Export, Web Applications, Front-End Web Development, Javascript, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Identity and Access Management, Endpoint Security, Network Security, Cybersecurity, Threat Detection, Cyber Attacks, Data Security, Cyber Security Strategy, Secure Coding, Firewall, Application Security, Authentications, Infrastructure Security, Security Controls, Authorization (Computing), Security Information and Event Management (SIEM), Data Governance, Security Testing, Virtual Private Networks (VPN)
Intermediate · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Sustainable Development, Economics, Policy, and Social Studies, Socioeconomics, Sustainability Standards, Environmental Science, Complex Problem Solving, Community Development, Environment and Resource Management, Public Policies, Climate Change Adaptation
Beginner · Course · 1 - 3 Months

Shanghai Jiao Tong University
Skills you'll gain: Language Competency, Language Learning, Vocabulary, Oral Comprehension, Oral Expression, Culture, Grammar, Intercultural Competence, Business
Intermediate · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Microsoft Azure, Serverless Computing, Cloud Development, Microsoft Power Automate/Flow, Event-Driven Programming, Cloud Applications, Cloud-Based Integration, Business Process Automation, Microservices, Application Programming Interface (API), GitHub
Intermediate · Course · 1 - 3 Months

KodeKloud
Skills you'll gain: Jenkins, Terraform, Infrastructure as Code (IaC), Linux Administration, Kubernetes, Ansible, Docker (Software), CI/CD, Version Control, Continuous Integration, YAML, Microservices, Devops Tools, GitHub, Containerization, Operating System Administration, Git (Version Control System), General Networking, DevOps, Python Programming
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Color Theory, User Interface and User Experience (UI/UX) Design, Logo Design, Typography, Interaction Design, Figma (Design Software), Adobe Illustrator, Wireframing, Marketing Materials, Marketing Design, Layout Design, Usability, Web Content Accessibility Guidelines, Graphic Design, User Centered Design, Photo Editing, Peer Review, Adobe Firefly, Game Design, Adobe Photoshop
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Feature Engineering, Model Deployment, Data Visualization, Data Ethics, Exploratory Data Analysis, Model Evaluation, Unsupervised Learning, Data Presentation, Tensorflow, Dimensionality Reduction, MLOps (Machine Learning Operations), Probability Distribution, Apache Spark, Statistical Hypothesis Testing, Supervised Learning, Data Pipelines, Design Thinking, Data Science, Machine Learning, Python Programming
Advanced · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Web Applications, Javascript, Other Programming Languages, UI Components, Front-End Web Development, Web Development, Object Oriented Programming (OOP), Cascading Style Sheets (CSS), Programming Principles
Intermediate · Course · 1 - 4 Weeks

ISC2
Skills you'll gain: Network Security, Cybersecurity, Cyber Attacks, Infrastructure Security, Threat Detection, Computer Networking, Data Centers, General Networking, Threat Management, Network Planning And Design, Firewall, Network Protocols, Cloud Computing, TCP/IP, Encryption
Beginner · Course · 1 - 3 Months

Universiteit Leiden
Skills you'll gain: Ancient History, Culture, Language Learning, Anthropology, Social Studies, Multilingualism, Literacy, Research, Research Methodologies
Intermediate · Course · 1 - 3 Months