Internet courses can help you learn web development, digital marketing, cybersecurity, and data analytics. You can build skills in coding languages like HTML, CSS, and JavaScript, as well as search engine optimization (SEO) and online advertising strategies. Many courses introduce tools such as Google Analytics for tracking website performance, WordPress for content management, and various coding frameworks to streamline development processes.

University of Illinois Urbana-Champaign
Skills you'll gain: Distributed Computing, Cloud Infrastructure, Cloud Services, Big Data, Apache Spark, Cloud Computing, Cloud Storage, Cloud Platforms, Network Architecture, Computer Networking, File Systems, Apache Hadoop, Cloud Applications, Apache Mahout, Cloud Computing Architecture, Infrastructure As A Service (IaaS), Data Storage, Middleware, Software-Defined Networking, NoSQL
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Microsoft Azure, Mobile Development Tools, System Implementation, System Configuration, Application Programming Interface (API), Data Integration, Simulations
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Google Analytics, Data Storytelling, Content Performance Analysis, Web Analytics and SEO, Data Validation, Stakeholder Engagement, Statistical Modeling, Search Engine Optimization, Marketing Analytics, Web Analytics, Marketing Automation, Data Visualization, Customer Insights, Data-Driven Decision-Making, Campaign Management, Key Performance Indicators (KPIs), Predictive Analytics, Performance Measurement, Return On Investment, Artificial Intelligence
Intermediate · Specialization · 3 - 6 Months
Skills you'll gain: Data Storytelling, Interactive Data Visualization, Exploratory Data Analysis, Data Visualization Software, Database Design, Shiny (R Package), Data Visualization, Data Wrangling, Dashboard, Relational Databases, Statistical Analysis, Data Analysis, Ggplot2, Model Evaluation, Data Presentation, SQL, Plot (Graphics), Data Manipulation, Web Scraping, R Programming
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Content Performance Analysis, Web Analytics, Multimedia, Web Content, Drive Engagement, Content Marketing, Content Strategy, Content Development and Management, Analytics, Customer experience improvement, Search Engine Optimization, Performance Analysis, Data Analysis, Information Architecture, Process Improvement and Optimization, Data-Driven Decision-Making
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: OpenAI API, LLM Application, Vector Databases, Generative AI Agents, Tool Calling, Embeddings, Retrieval-Augmented Generation, Prompt Patterns, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Prompt Engineering, Agentic systems, Large Language Modeling, TypeScript, Responsible AI, Software Development, Real Time Data, Web Scraping, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud-Native Computing, Infrastructure as Code (IaC), Cloud Storage, Hybrid Cloud Computing, Systems Analysis, Process Improvement, Cloud Security, Cloud Computing, Cloud Development, Cloud Engineering, Requirements Analysis, Data Modeling, Multi-Cloud, DevOps, Docker (Software), Solution Design, Microservices, Infrastructure As A Service (IaaS), Information Technology, Agile Software Development
Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Generative Model Architectures, ChatGPT, Semantic Web
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Keyword Research, Search Engine Optimization, Web Analytics and SEO, Competitive Analysis, Performance Analysis, Performance Metric, Performance Management, Analytics
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Network Troubleshooting, Hybrid Cloud Computing, Telecommunications, Collaboration, Dynamic Host Configuration Protocol (DHCP), Wide Area Networks, User Provisioning, Virtual Private Networks (VPN), Network Support, Cloud Deployment, Cloud-Based Integration, Firewall, Network Performance Management, Network Administration, Session Initiation Protocols, System Configuration, Network Monitoring, Identity and Access Management, Administration, Product Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Network Troubleshooting, Google Cloud Platform, Network Monitoring, Hybrid Cloud Computing, Virtual Networking, Network Architecture, Cloud Infrastructure, Kubernetes, Virtual Private Networks (VPN), Cloud Computing, Load Balancing, Network Routing, Cloud Security, Firewall
Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: Prompt Engineering, Keyword Research, Blogs, Search Engine Optimization, Content Creation, Generative AI, Web Content, Editing, Writing and Editing
Beginner · Course · 1 - 4 Weeks