Generation of Internet
Web 1.0 – A read only system
Web 2.0 – Users Posted content Ex Facebook, Blogging
Web 3.0 – Smart Database Used by Amazon , LastFm
Characteristics of web 3.0
Media Centric web
What is SEO and SEM
Search Engine marketing : SEM is all that a company
can do to advertise itself on a search engine,
including paid inclusion and other ads
Search Engine optimization : Process of improving
the visibility of a website or a webpage in search
engines via the "natural," or un-paid
Google Search Work – Crawling ,
Indexing and Ranking
What is a web Crawler?
Page Rank one of first factor out of 200 factors google
consider for showing result in organic search result
Keyword Density and Indexing
Keyword Density is defined as ratio of keyword
occuring in document by total words in document
7-10 % K.D make Keyword.
How Indexing is done
A Unique no is provided to each web page on website
Keyword : Temperature Sensors
Temperature occuring on pages 1, 5, 10.
Sensors on 1,10,15
No 10 page will be displayed on this keyword
GooGle Crawling in 2000
Pages with High Page Rank are Crawled More
Crawling Indexing takes a month per website
Data refresh in not reflected in search engine for
Oragnic search results are affected
GooGle Changes Search Scenerio in
Web Web Web
Part 1 Part 2 part 3
How Search Works
First Google use web spiders to index the pages.
Keyword is put in web search.
Pages are return that contain the Keyword, Which are
many in no.
Google searches many factors for ranking these pages
and return this result to user.
Google Algorithm Panda and Penguin to penalize
Why bother with search Engines
81% of Internet consumers find web sites
via search engines & directories.
Top 30 results receive over 90% of search
If your site is not in the Top 30, it most
likely won’t be found.