Web Crawling
Web crawling is the automated process of programs systematically navigating the internet by following hyperlinks to discover and collect data from web pages. It's essential for building search engine indexes and powering data-driven applications, but it must navigate legal boundaries like robots.txt files to respect website owners' preferences. In modern usage, it's a double-edged sword, enabling innovation while raising ethical questions about privacy and data overload.
Did you know?
The first web crawler, called the World Wide Web Wanderer, was developed in 1993 by Matthew Gray at MIT and initially tracked just 100 websites, but it paved the way for modern search engines that now index over 60 trillion pages annually. This early tool helped reveal the web's explosive growth, turning what was once a niche experiment into the backbone of global information access.
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