"To organize the world’s
information and make it
universally accessible and
LARRY PAGE & SERGEY BRIN
Originally the search engine used
the Stanford website with the
The domain google.com was
registered on September 15, 1997
In February 2003, Google acquired Pyra Labs, owner of Blogger
On September 28, 2005, Google announced a long-term research partnership with
On January 17, 2006, Google announced that it had purchased the radio advertising
On October 9, 2006, Google announced that it would buy the popular online video
Criticism of Google
In 1998 Co-founders Larry Page and
Sergey Brin used Stanford equipment and
donated machines to run Google's
search engine duties:-
Two 300-megahertz (MHz) Dual Pentium II
servers with 512 megabytes (MB) of memory
A four-processor F50 IBM RS6000 computer
with 512 MB of memory
A dual-processor Sun Ultra II computer with
256 MB of memory
Several hard drives ranging from 4 to 9
gigabytes (GB) for a total of more than 350 GB of
Google uses servers for different
Web servers receive and process
user queries, sending the request on to
the next appropriate server.
Index servers store Google's
indexes and search results.
Document servers to store search
summaries, user information, gmail and
Google Docs files.
Ad servers store the
advertisements Google displays on
Internet search engines are special sites on the Web
that are designed to help people find information
stored on other sites.
Basic Tasks Of Search Engines:-
They search the Internet -- or select pieces of
the Internet -- based on important words.
They keep an index of the words they find, and
where they find them.
They allow users to look for words or
combinations of words found in that index.
Google Spider Notes:-
The words within the page
Where the words were found
Two key components involved in making the gathered
data accessible to users:
The information stored with the data
The method by which the information is indexed
The Boolean operators most often seen are:
o FOLLOWED BY
o Quotation Marks
SEARCH ENGINE OPTIMIZATION
SEO is a collection of techniques a webmaster can use to improve his or
her site's SERP position.
The White Hat approach The Black Hat approach
• Keywords is in the title • Keyword stuffing
• Keywords is in headers • Redirect
• Keywords throughout the • Selling and farming links
• Page stuffing
• Link exchanges