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The Evolution of the Web: Insights into Crawling and Search Technologies

This document explores the development of the Web, specifically focusing on how crawling and search technologies have progressed since their inception. It discusses key components such as Internet protocols, affordable storage, network capacity, and effective search capabilities that fueled the growth of the Web. The evolution of web search platforms like Lycos and Yahoo! in the mid-1990s is highlighted, along with the exponential growth of web users and content. Key metrics and trends illustrate the rapid adoption of technologies and the increasing complexity of information management online.

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The Evolution of the Web: Insights into Crawling and Search Technologies

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  1. Web Search Module 6 INST 734 Doug Oard

  2. Agenda • The Web • Crawling • Web search

  3. Washington Post, February 10, 2011

  4. Email FTP RTSP “The Web” HTML Web Server HTTP URL File System Internet communication protocols HTTP (transfer) URL (e.g.,http://www.foo.org/snarf.html) HTML (data/display)

  5. Internet  Web • Internet: collection of global networks • Web: way of managing information exchange • There are many other uses for the Internet • File transfer (FTP) • Email (SMTP, POP, IMAP)

  6. What “Caused” the Web? • Affordable storage • 300,000 (typed) words/$ by 1995 • Adequate network capacity • 25,000 simultaneous transfers by 1995 • 1 second/screen (of text) by 1995 • Display capability • 10% of US population could see images by 1995 • Effective search capabilities • Lycos and Yahoo! achieved useful scale in 1994-1995

  7. Internet Hosts

  8. Internet Users http://www.internetworldstats.com/

  9. Global Internet Users Web Pages

  10. Billions of Queries per Month December, 2012

  11. An Adoption Curve: Blogs Doubling 18.9 Million Weblogs Tracked Doubling in size approx. every 5 months Consistent doubling over the last 36 months Doubling Doubling Doubling

  12. November 2013 http://www.searchenginejournal.com/growth-social-media-2-0-infographic/77055/

  13. Agenda • The Web • Crawling • Web search

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