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.

University of California, Irvine
Skills you'll gain: Pay Per Click Advertising, Search Engine Marketing, Customer Retention, Persona Development, Digital Marketing, Marketing Analytics, Search Engine Optimization, Key Performance Indicators (KPIs), Target Audience, Keyword Research, Social Media Strategy, Digital Advertising, Marketing Effectiveness, Customer experience strategy (CX), Customer Acquisition Management, Marketing Strategy and Techniques, Customer Engagement, A/B Testing, Web Analytics and SEO, Social Media
Beginner · Specialization · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Spring Framework, Object-Relational Mapping, Cloud Security, Java, Scalability, Cloud Applications, Web Services, Cloud Services, Cloud Computing, JSON, Java Platform Enterprise Edition (J2EE), Data Security, Restful API, Object Oriented Design, Database Design, Systems Architecture, Software Design, Dependency Analysis, Application Deployment
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Performance Tuning, Django (Web Framework), Authentications, PostgreSQL, Scalability, Application Deployment, Cloud Hosting, User Accounts, Application Security, Python Programming
Advanced · Course · 1 - 4 Weeks

Lund University
Skills you'll gain: Business Modeling, Digital Transformation, Innovation, Software Development, Cloud Development, Software As A Service, E-Commerce, Business Development, Application Development, New Business Development, Business Strategy, Market Share, Decision Making, Value Propositions, Strategic Thinking, Growth Strategies, Apple iOS, Android (Operating System), Amazon Web Services
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Search Engine Optimization, Content Management, Web Design, Information Architecture, Web Design and Development, Goal Setting, Project Implementation, Project Closure
Beginner · Guided Project · Less Than 2 Hours

University of California San Diego
Skills you'll gain: Predictive Modeling, Data Manipulation, Predictive Analytics, Big Data, Data Processing, Data Mining, Data Analysis, Data Science, Data-Driven Decision-Making, Unsupervised Learning, Statistical Analysis, Analytics, No-Code Development, Software Installation
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Penetration Testing, Cyber Security Policies, Linux Commands, Cyber Security Assessment, Command-Line Interface, Cybersecurity, Cloud Computing, Linux, Risk Management Framework, Operating System Administration, Network Monitoring, Security Management, Operating Systems, Cyber Risk, Threat Management, General Networking, Windows PowerShell, Cyber Governance, Unix Commands, Microsoft Windows
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: OSI Models, Cloud Computing, Virtual Local Area Network (VLAN), Network Troubleshooting, Wide Area Networks, Network Routing, Dynamic Host Configuration Protocol (DHCP), TCP/IP, Software-Defined Networking, Network Routers, Network Security, Network Switches, Network Monitoring, Network Architecture, Network Performance Management, Ansible, Local Area Networks, Network Protocols, Network Administration, Network Planning And Design
Beginner · Specialization · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Public Cloud, Cloud Computing Architecture, Cloud Computing, Application Programming Interface (API), Cloud Services, Scalability, Cloud Platforms, Amazon Web Services, Infrastructure As A Service (IaaS), Technical Services, Systems Administration, Solution Architecture, Security Engineering
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Data Processing, Databases, Database Systems, Data Storage, Database Management, Relational Databases, Query Languages, NoSQL, Transaction Processing, Data Management, Cloud Computing, Data Analysis, Unstructured Data, Data Visualization Software
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: ASP.NET, .NET Framework, Model View Controller, Web Applications, Middleware, Debugging, Application Deployment, Application Development, Development Environment, Software Testing, Microsoft Development Tools, Cross Platform Development, Software Architecture, Network Routing, Open Source Technology, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Kotlin, Object Oriented Programming (OOP), Programming Principles, Android Development, Data Structures, Computer Programming, Mobile Development, Debugging
Beginner · Course · 1 - 4 Weeks