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.

CertNexus
Skills you'll gain: Threat Modeling, Cybersecurity, Cyber Threat Intelligence, Threat Management, Information Systems Security, Threat Detection, Security Management, Cyber Risk, Security Strategy, Cyber Security Strategy, Risk Analysis, Computer Security, Risk Mitigation, Risk Management, Network Security, Risk Management Framework, Enterprise Risk Management (ERM), Risk Appetite, Trend Analysis, Technical Documentation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Digital Forensics, Penetration Testing, Network Security, Threat Management, Mobile Security, Distributed Denial-Of-Service (DDoS) Attacks, Cloud Security, Public Key Infrastructure, Vulnerability Assessments, Cryptography, Security Controls, Vulnerability Scanning, Cybersecurity, Authorization (Computing), Malware Protection, Authentications, Identity and Access Management, Cyber Attacks, Threat Detection, Data Integrity
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Gemini, Writing and Editing, Generative AI, Oral Expression, Google Workspace, Artificial Intelligence, Responsible AI
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Energy and Utilities, Oil and Gas, Electrical Power, Environmental Science, Environment, Economics, Sustainable Technologies, Physics, Climate Change Mitigation, Chemistry, Emerging Technologies
Beginner · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Information Technology Infrastructure Library, Service Management, IT Service Management, Information Technology, Information Technology Operations, Service Level, Operations Management, Asset Management, Operations
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Delegation Skills, Team Performance Management, Constructive Feedback, Team Building, Change Management, Organizational Change, Team Management, Coaching, Teamwork, Organizational Development, Employee Coaching, Team Motivation, Employee Performance Management, Leadership and Management, Business Transformation, Business Leadership, Leadership Development, Case Studies, Communication, Productivity
Intermediate · Specialization · 1 - 3 Months

Rice University
Skills you'll gain: Basic Electrical Systems, electromagnetics, Electrical Engineering, Physics, Mechanics, Calculus, Engineering Calculations, Mathematical Modeling, Trigonometry, Problem Solving, Applied Mathematics
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Sample Size Determination, Sampling (Statistics), Survey Creation, Quantitative Research, Research Design, Business Research, Data Collection, Statistical Methods, Statistics, Decision Making, Probability & Statistics
Beginner · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Computational Logic, Logical Reasoning, Deductive Reasoning, Theoretical Computer Science, Computer Science, Critical Thinking, Computational Thinking, Business Logic, Algorithms, Mathematical Modeling, Problem Solving, Strategic Communication
Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Creative Thinking, Creativity, Ideation, Creative Problem-Solving, Brainstorming, Innovation, Persuasive Communication, Cognitive flexibility, Team Building, Teamwork, Open Mindset, Influencing, Communication, Collaboration, Storytelling, Decision Making
Beginner · Course · 1 - 3 Months

ESSEC Business School
Skills you'll gain: Mediation, Conflict Management, Negotiation, Diplomacy, Labor Relations, Case Studies, Interactive Learning, Communication, Active Listening, International Relations
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Threat Modeling, Application Security, Secure Coding, Open Web Application Security Project (OWASP), Security Engineering, Security Requirements Analysis, Security Controls, Data Security, Vulnerability Management, Computer Security, Vulnerability, Vulnerability Assessments, Databases, Information Privacy, Role-Based Access Control (RBAC), Computer Programming, Python Programming, Node.JS, JavaScript Frameworks, Javascript
Mixed · Course · 1 - 4 Weeks