Web Crawlers


Web crawlers, also known as spiders or bots, are automated programs that systematically browse the internet to collect data from websites. They start by visiting a seed URL and then follow hyperlinks to other pages, extracting information such as text, images, and links. The collected data is then indexed and analyzed to provide insights into website content, structure, and usage. Web crawlers are commonly used for search engine optimization, web scraping, and data mining. They can also be used for monitoring website changes, detecting broken links, and identifying security vulnerabilities. However, web crawlers can also cause issues such as overloading servers, violating website terms of service, and compromising user privacy.


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