| Topic S |
| Search Engine |
| Search engine is a huge data base designed to provide deserved or demanded information to surfer when his matches with the stored information in the data base. |
| Search engine deals with many elements like web site submission, web page indexing, web page ranking, displaying ads or sponsored keep watch on etc. |
| Apart from world wide search engine there is enterprise search engine which searches on intranet, personal search engines and mobile search engine which is installed according to the environment. |
| Functionality of search engine |
| Database of every search engine is connected with web server. When the request is made by browser web server act as a mediator and passes that request to the database. If data base consist the reply for that request, the reply in the form of search reply is send to the web browser through web server. |
| Web site submission and search engine |
| The question arises that how the information is stored in the data base of search engine ? The answer for this is search engine has developed it’s technique in accordance with that web masters have to submit their web page to search engine if they want their page to be more viewable and their site should run a profit in business. Like this many sites are submitted to the search engines which widen the data base of the search engine. |
| When the site is submitted to the search engine it has to follow the terms and condition of search engine to be search engine friendly. |
| Spiders the crucial element of search engine |
| Let’s see how step by step spider deals with various aspects of search engine. |
| 1 Search engine and indexing |
| Indexing is related with crawling over the web page. This practice is meant for viewing the web page and declaring it as a cash page. Once the page is cashed lawfully it can came in the search results. Remember that indexing is routine of web spiders which is just the over look of newly submitted pages. |
| 2 Search engines Spiders and ranking |
| All web sites are running after the factor is ranking. Ranking is the deep study of web pages by search engine spiders to check whether they are following the search engine algorithm or not. If the web page matches with the algorithm then it receives better rank. |
| 3 Search engine spiders and |
| There is search engine algorithm related to placement of , content, tags etc. Web page should be constructed according to this algorithm. When the web site owners for the sack of high ranking go illegally to display their pages is called as . Sharp search engine spiders detect such , and cloaked pages and penalize the site for bad practice. |
| Search engine and Robot. Txt |
| is the file set in the web site which restrict or disallow the spiders from viewing and indexing specific pages which they do not want to be indexed by search engine . |
| Revenue source of search engine |
| Banner ads and sponsored are the important source of revenue of search engines. Search engines are very popular and they are viewed by lacks of viewers which end their search with purchase of commodity. |
| Now every advertiser wants to get top position in the list of sponsored links. Search engine has started and option for ad campaign. Bidders have to first bid for the to get the position in the sponsored links and when they get click on their ad they have to pay to search engine. |
| List of Popular search engines |
| Google and Yahoo are world famous search engines which are followed by |
MSN
Altavista
Mamma
Alexa Internet
Aolanywhere
Eureka
Hotbot
Go To .com
Planet search
Search.com |
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