How Search Engines works?

Discussion in 'Search Engine Optimization' started by sharingbuzz, Sep 23, 2009.

0
  1. #1
    To understand SEO you need to be aware of the architecture of search engines. They all contain the following main components

    ·Spider
    ·Crawler
    ·Indexer
    ·Database
    ·Result engine
    ·Web server

    1.Spider.
    This program downloads web pages just like a web browser. The difference is that a browser displays the information presented on each page (text, graphics, etc.) while a spider does not have any visual components and works directly with the underlying HTML code of the page.

    2.Crawler
    This program finds all links on each page. Its task is to determine where the spider should go either by evaluating the links or according to a predefined list of addresses.

    3.Indexer
    This component parses each page and analyzes the various elements, such as text, headers, structural or stylistic features, special HTML tags, etc.

    4.Data base
    This is the storage area for the data that the search engine downloads and analyzes. Sometimes it is called the index of the search engine.

    5.Result engine
    The results engine ranks pages. It determines which pages best match a user's query and in what order the pages should be listed. This is done according to the ranking algorithms of the search engine. It follows that page rank is a valuable and interesting property and any seo specialist is most interested in it when trying to improve his site search results.

    6.Web server
    The search engine web server usually contains a HTML page with an input field where the user can specify the search query he or she is interested in. The web server is also responsible for displaying search results to the user in the form of an HTML page.
     
    sharingbuzz, Sep 23, 2009 IP
  2. theseomonk

    theseomonk Peon

    Messages:
    409
    Likes Received:
    2
    Best Answers:
    0
    Trophy Points:
    0
    #2
    theseomonk, Sep 24, 2009 IP
  3. Mark Wright

    Mark Wright Peon

    Messages:
    32
    Likes Received:
    0
    Best Answers:
    0
    Trophy Points:
    0
    #3
    Actually search engines match queries against an index that they create. The index consists of the words in each document, plus pointers to their locations within the documents. This is called an inverted file. A search engine or IR system comprises four essential modules:

    1. A document processor
    2. A query processor
    3. A search and matching function
    4. A ranking capability


    Video on Demand Solutions
     
    Mark Wright, Sep 24, 2009 IP
  4. Jeff Collision

    Jeff Collision Peon

    Messages:
    1,020
    Likes Received:
    4
    Best Answers:
    0
    Trophy Points:
    0
    #4
    Jeff Collision, Sep 24, 2009 IP
  5. waqarahmad

    waqarahmad Peon

    Messages:
    32
    Likes Received:
    0
    Best Answers:
    0
    Trophy Points:
    0
    #5
    Great Sharing
     
    waqarahmad, Oct 5, 2009 IP
  6. manpasand

    manpasand Well-Known Member

    Messages:
    225
    Likes Received:
    0
    Best Answers:
    0
    Trophy Points:
    101
    #6
    sharingbuzzThanks for sharing knowledge.

    theseomonk Thanks for sharing link.
     
    manpasand, Oct 5, 2009 IP
  7. maconheiromor

    maconheiromor Active Member

    Messages:
    115
    Likes Received:
    1
    Best Answers:
    0
    Trophy Points:
    53
    #7
    nice stuff! :) i'm starting promoting some sites and all intresting info can be used

    thanks guys
     
    maconheiromor, Oct 5, 2009 IP
  8. sharingbuzz

    sharingbuzz Member

    Messages:
    332
    Likes Received:
    2
    Best Answers:
    0
    Trophy Points:
    30
    #8

    You are always Welcome Dear
     
    sharingbuzz, Oct 7, 2009 IP
  9. saranya05

    saranya05 Guest

    Messages:
    74
    Likes Received:
    0
    Best Answers:
    0
    Trophy Points:
    0
    #9
    Great.... THanks a lot for sharing such a Valuable information
     
    saranya05, Oct 7, 2009 IP
  10. harsha22

    harsha22 Guest

    Messages:
    200
    Likes Received:
    0
    Best Answers:
    0
    Trophy Points:
    0
    #10
    Search engines work by crawling & indexing the sites
     
    harsha22, Oct 7, 2009 IP
  11. johnk681

    johnk681 Active Member

    Messages:
    240
    Likes Received:
    0
    Best Answers:
    0
    Trophy Points:
    63
    #11
    Good Explanation expecting more review for "result engine"
     
    johnk681, Oct 7, 2009 IP
  12. calvynlee

    calvynlee Well-Known Member

    Messages:
    337
    Likes Received:
    4
    Best Answers:
    1
    Trophy Points:
    118
    #12
    i wonder how big will the database be
     
    calvynlee, Oct 7, 2009 IP