How Search Engines Work

50 %
50 %
Information about How Search Engines Work

Published on April 23, 2008

Author: janeandrobot

Source: slideshare.net

How Search Engines Work

Crawling Search Engine Thinks: Hey, nice lookin’ site! When was the last time I got this page? When was the last time the page updated? Can I download this page? Robots Exclusion Protocol Network/ Server Error Can I Process the page? What is the page about? What are all the links? How does this compare to past versions? How does this compare to related URLs Does anything look abnormal? (title, h1, text, links) Maybe I’ll save this page… Store the Page

Hey, nice lookin’ site!

When was the last time I got this page?

When was the last time the page updated?

Can I download this page?

Robots Exclusion Protocol

Network/ Server Error

Can I Process the page?

What is the page about?

What are all the links?

How does this compare to past versions?

How does this compare to related URLs

Does anything look abnormal? (title, h1, text, links)

Maybe I’ll save this page…

Ranking Rank Is…. Base value of every page in index Primarily based on quality and relevancy of inbound links AND quality of content on your page Computed for each URL Computed for each FQDN Computed periodically High quality link Low quality link

Rank Is….

Base value of every page in index

Primarily based on quality and relevancy of inbound links

AND quality of content on your page

Computed for each URL

Computed for each FQDN

Computed periodically

Searching Let me think…. Is it spelled right? Do they want a navigational link, a question answered, a video, some websites or maybe an advertisement? What content can best fulfill their need? How should I order those results?

Let me think….

Is it spelled right?

Do they want a navigational link, a question answered, a video, some websites or maybe an advertisement?

What content can best fulfill their need?

How should I order those results?

Summary Crawling Ranking Index Query Parsing Dynamic Ranking

All to get the best result

Where to next? http://janeandrobot.com http://ninebyblue.com http://SearchDeveloperDay.com http://webmaster.live.com http://google.com/webmaster http://siteexplorer.search.yahoo.com

Add a comment

Related pages

Introduction to How Internet Search Engines Work - How ...

Introduction to How Internet Search Engines Work - Internet search engines do your research for you. Learn how internet search engines like Google work ...
Read more

How Search Engines Work - The Beginners Guide to SEO - Moz

Search engines have two major functions: crawling and building an index, and providing search users with a ranked list of the websites they've determined ...
Read more

How Search Works - The Story – Inside Search – Google

"The perfect search engine would understand exactly what you mean and give you back exactly what you want." Larry Page Co-founder & CEO
Read more

How Search Engines Work | Search Engine Watch

How search engines work, including the difference between crawler-based search engines and human-powered directories. Explanation of what a spider is and ...
Read more

How Search Works - YouTube

How Search Works Google. Subscribe Subscribed Unsubscribe 3,789,878 3M. Loading ... How Search Ads Work - Duration: 2:38. Google 208,621 views. 2:38
Read more

How Search Engines Work -- Really! - Search Engine Land ...

Search Engine Land is the leading industry source for daily, must-read news and in-depth analysis about search engine technology.
Read more

How Do Web Search Engines Work? - Webopedia.com

Search engines are used to find information on the Web. Without them, it would be virtually impossible to locate anything without knowing the URL.
Read more

BBC Bitesize - How do search engines work?

Search engines are a great way to find information on the web. Find out how search works including search algorithms and web crawlers.
Read more

Web search engine - Wikipedia, the free encyclopedia

A web search engine is a software system that is designed to search for information on the World Wide Web. ... How web search engines work
Read more

Web Crawling - How Internet Search Engines Work ...

Web Crawling - Web crawling is one of the ways that internet search engines work. Visit HowStuffWorks to discover how internet search engines work.
Read more