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: Network Troubleshooting, Network Monitoring, Network Security, Firewall, Ansible, Network Performance Management, Network Infrastructure, Network Protocols, Security Controls, Event Monitoring, Puppet (Configuration Management Tool), IT Automation, Chef (Configuration Management Tool), Real Time Data, JSON, Automation, Identity and Access Management, Restful API, Application Programming Interface (API)
★ 4.7 (6) · Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Serverless Computing, Amazon S3, Amazon Web Services, Kubernetes, Containerization, Cloud Storage, Disaster Recovery, Application Deployment, Cloud Deployment, Cloud Computing Architecture, Cloud Solutions, Continuous Deployment, Data Storage, Scalability
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Statistical Modeling, R Programming, Statistical Analysis, Data Analysis, R (Software), Data Ethics, Advanced Analytics, Statistical Methods, Data Modeling, Regression Analysis, Predictive Modeling, Mathematical Modeling, Machine Learning, Logistic Regression, Probability & Statistics, Statistical Inference, Model Evaluation, Probability Distribution, Linear Algebra, Calculus
★ 4.2 (26) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Computer Security Incident Management, Incident Management, Security Management, Digital Forensics, Disaster Recovery, Risk Management Framework, Cybersecurity, NIST 800-53, Threat Management, Risk Management, Cyber Security Policies, Security Controls, Cloud Security, Virtualization and Virtual Machines, Cloud Computing, Scenario Testing
★ 4.7 (11) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Continuous Integration, Test Automation, Authentications, CI/CD, Test Script Development, API Testing, Software Testing, Behavior-Driven Development, Event-Driven Programming, GitHub, Cascading Style Sheets (CSS)
★ 4.3 (21) · Intermediate · Course · 3 - 6 Months

Skills you'll gain: Model Deployment, PyTorch (Machine Learning Library), Model Optimization, Recurrent Neural Networks (RNNs), Artificial Intelligence, Model Training, Applied Machine Learning, Artificial Neural Networks, Deep Learning, Artificial Intelligence and Machine Learning (AI/ML), Application Deployment, Machine Learning, Network Architecture, Data Science
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Administration, Network Architecture, Hardware Troubleshooting
★ 4.6 (9) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Copywriting, Advertising, Advertising Campaigns, Online Advertising, Writing and Editing, Promotional Materials, Design, Visual Design, Media Strategy, Marketing Collateral, Ideation, Graphic Design, Electronic Media, Marketing Communications, Strategic Communication, Design and Product, Design Elements And Principles, Social Media, Design Thinking, Business Communication
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Product Roadmaps, Requirements Elicitation, Requirements Analysis, Business Analysis, Business Analysis Tools, Requirements Management, Team Building, Team Oriented, Business Requirements, Acceptance Testing, Product Management, Agile Methodology, Business Modeling, Agile Project Management, Registration, Stakeholder Communications, Communication
★ 4.9 (31) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Virtualization, Augmented and Virtual Reality (AR/VR), Cloud Computing Architecture, Virtualization and Virtual Machines, Network Administration, Cloud Computing, Firewall, Virtual Networking, Network Architecture, Virtual Private Networks (VPN), Mobile Security, Network Infrastructure, Cloud Services, General Networking, Augmented Reality, Cloud Security, Security Controls, Network Protocols, Peripheral Devices
★ 4.8 (29) · Intermediate · Course · 1 - 3 Months

S.P. Jain Institute of Management and Research
Skills you'll gain: Self-Awareness, Conflict Management, Personal Development, Emotional Intelligence, Personal Attributes, Interpersonal Communications, Collaboration, Relationship Building, Professional Development, Visionary, Leadership, Communication, Dealing With Ambiguity
★ 4.8 (33) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Interviewing Skills, Professional Networking, Project Management, Web Presence, Applicant Tracking Systems, Project Management Institute (PMI) Methodology, Negotiation, Writing and Editing, Oral Expression
★ 4.8 (119) · Beginner · Course · 1 - 3 Months