Web crawler courses can help you learn how to extract data from websites, manage large datasets, and optimize crawling strategies. You can build skills in parsing HTML, handling JavaScript-rendered content, and implementing rate limiting to avoid getting blocked. Many courses introduce tools like Scrapy and Beautiful Soup, that support web scraping projects, and demonstrate how to use APIs to enhance data collection and analysis.

Skills you'll gain: Linux Commands, Metasploit, Open Web Application Security Project (OWASP), Linux, Penetration Testing, Vulnerability Scanning, Command-Line Interface, Exploitation techniques, Scripting, Vulnerability Assessments, Brute-force attacks, General Networking, Python Programming, Web Applications, Cybersecurity, Data Ethics, Firewall, Network Security, Wireless Networks, System Configuration
Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Terraform, CI/CD, Infrastructure as Code (IaC), Continuous Integration, Ansible, Application Performance Management, Prometheus (Software), Network Monitoring, Continuous Deployment, Kubernetes, Application Deployment, System Monitoring, Package and Software Management, GitHub, Software Development Tools, Docker (Software), Containerization, YAML, Infrastructure As A Service (IaaS), Automation
Beginner · Specialization · 3 - 6 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Android Development, Android Studio, Mobile Development, Application Development, Application Lifecycle Management, User Interface (UI) Design, Data Persistence, UI Components, Authorization (Computing), User Interface (UI), Data Storage, Database Management, File I/O
Intermediate · Course · 1 - 3 Months

Salesforce
Skills you'll gain: Verbal Communication Skills, Interviewing Skills, Professional Development, Communication, Storytelling, Sales Development, Presentations, Portfolio Management, Professional Networking, Branding, Personal Attributes, LinkedIn, Brand Strategy, Empathy
Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Digital Transformation, Supply Chain Management, E-Commerce, Analytics, Business Technologies, Descriptive Analytics, Customer Demand Planning, Customer experience strategy (CX), Predictive Analytics, Data-Driven Decision-Making
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Google Analytics, Web Analytics, Benchmarking, Content Performance Analysis, Customer Engagement, Customer Analysis, Performance Analysis, Management Reporting, Customer Retention, User Research, Real Time Data, Marketing
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Database Management, Relational Databases, MySQL, PHP (Scripting Language), SQL, Databases, Object Oriented Programming (OOP), Web Development, Full-Stack Web Development, Hypertext Markup Language (HTML), Back-End Web Development
Intermediate · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Apache Maven, Spring Framework, Microservices, Java Platform Enterprise Edition (J2EE), Spring Boot, Java, Java Programming, Back-End Web Development, Software Architecture, Load Balancing, Application Servers, Restful API, Web Applications, Scalability
Advanced · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Javascript, Data Structures, Angular, Node.JS, Vue.JS, Web Development, Web Applications, React.js, Object Oriented Programming (OOP), HTML and CSS, Computer Programming, Event-Driven Programming, Software Engineering, Application Programming Interface (API), Computer Science
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Unity Engine, Object Oriented Design, Software Design Patterns, C# (Programming Language), Data Structures, Software Architecture, Video Game Development, Graph Theory, Algorithms, Debugging
Intermediate · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Cloud Security, Application Security, Network Security, Cloud Computing, Cybersecurity, Information Systems Security, Infrastructure Security, Remote Access Systems, Public Key Infrastructure, Cryptography, Vulnerability Assessments, Virtualization, Virtual Machines, Encryption, Authorization (Computing)
Beginner · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: AI Personalization, Machine Learning Algorithms, Predictive Modeling, Applied Machine Learning, Data Mining, Algorithms, Collaborative Software, Data Manipulation
Mixed · Course · 1 - 3 Months