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.

LearnKartS
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Penetration Testing, Security Testing, Cyber Security Assessment, Cyber Threat Hunting, Threat Detection, Cryptographic Protocols, Cybersecurity, Cyber Threat Intelligence, Cryptography, Exploit development, Open Web Application Security Project (OWASP), Cyber Security Strategy, Cyber Attacks, Application Security, Security Awareness, Security Controls, Data Security, Cyber Risk, Security Strategy
Beginner · Specialization · 1 - 3 Months

Rutgers the State University of New Jersey
Skills you'll gain: Demand Planning, Customer Demand Planning, Regression Analysis, Data Collection, Supply Chain Planning, Statistical Analysis, Forecasting, Marketing Analytics, Predictive Analytics, Advanced Analytics, Trend Analysis, Predictive Modeling, Time Series Analysis and Forecasting, Data Preprocessing, Exploratory Data Analysis, Model Evaluation, Data Visualization, Data Visualization Software
Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Dentistry, Dental Care, Oral and Dental Care, Public Health, Oral Health, Medical Science and Research, Higher Education, Research
Beginner · Course · 1 - 4 Weeks

Pontificia Universidad Católica de Chile
Skills you'll gain: English Language, Language Competency, Vocabulary, Business Correspondence, Grammar, Sales Strategy, Business Communication, Oral Expression, Business Writing, Storytelling, Communication Strategies
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Data Encryption Standard, Public Key Infrastructure, Cryptography, Public Key Cryptography Standards (PKCS), Brute-force attacks, Key Management, Advanced Encryption Standard (AES), Encryption, Data Integrity, Information Systems Security, Cybersecurity, Authentications, Information Assurance, Data Security, Theoretical Computer Science, Computational Logic, Algorithms
Intermediate · Specialization · 3 - 6 Months

Duke University
Skills you'll gain: Rust (Programming Language), Containerization, Data Pipelines, CI/CD, Docker (Software), Jenkins, Application Deployment, DevOps, LLM Application, Hugging Face, Large Language Modeling, Test Case, Restful API, Serverless Computing, Generative AI, Amazon Web Services, Command-Line Interface, Natural Language Processing, Computer Programming, Cloud Computing
Beginner · Specialization · 3 - 6 Months

Starweaver
Skills you'll gain: Customer experience strategy (CX), Service Design, Change Management, Social Media Campaigns, Hospitality Management, Social Media Marketing, Process Mapping, Key Performance Indicators (KPIs), Hospitality Services, Design Thinking, Brand Marketing, Service Management, Customer experience improvement, Digital Marketing, Design, Social Media Management, Prototyping, Content Marketing, Leadership, Search Engine Optimization
Intermediate · Specialization · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Organizational Strategy, Governance, Stakeholder Analysis, Corporate Strategy, Business Planning, Business Strategy, Organizational Structure, Strategic Thinking, Business Administration, Environmental Social And Corporate Governance (ESG), Strategic Decision-Making, Competitive Analysis, Entrepreneurship, New Business Development, Market Analysis, Analysis
Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: C and C++, Distributed Computing, Hardware Architecture, Programming Principles, Computer Architecture, Data Access, Program Development, Algorithms, Python Programming, Computer Programming Tools, Data Sharing, Development Environment, Debugging
Beginner · Course · 1 - 3 Months

Salesforce
Skills you'll gain: Sales Pipelines, Sales Process, Sales Operations, Order Management, Sales Management, Sales Support, Closing (Sales), Salesforce, Request For Quotation (RFQ), Product Knowledge, Contract Management, Collaborative Software, Kanban Principles
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Power Platform, Power BI, Microsoft Power Automate/Flow, Dashboard, Microsoft 365, Data Visualization Software, Data Visualization, Business Process Automation, Workflow Management, No-Code Development, Business Process, Generative AI Agents, Data Analysis, Data Integration, Application Design
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Terraform, Infrastructure as Code (IaC), Infrastructure As A Service (IaaS), Microsoft Azure, IT Automation, DevOps
Beginner · Guided Project · Less Than 2 Hours