Search Engines

Topics to be discussed:

•Definition•Types of Search Engines•How Search Engine Works•Using Boolean Operator in Searching•Search Engine Optimization and Search

Engine Result Page

What are search engines?

•Are software system that is designed to search information on the World Wide Web.

•They are used to search different types of information like images, videos, news, blogs, and many more.

What are the types of search engine?

•Crawler-Based Search Engine▫Create listings automatically by using a

piece of software to “crawl” the web and index what it finds to build the search base.

•Human-Powered DirectoryDepend on human editor to create their listings

What are the types of search engine?

•Metasearch Engine▫Transmit user-supplied keywords

simultaneously to several search engines to actually carry out the search

How do search engine works?•Web crawling

▫Crawling the web through the use of spider to look for new pages and to add to search engine indices

• Indexing▫Makes sense of the mass of texts, links and

URL’s using algorithm the words, pair of words, and so on

•Searching▫Making the query and presents the result in

pages called SERP.

How to use Boolean operators in searching?

Operator Search Criteria Effect

AND printer AND color The search engine looks only for pages that include both terms and ignores pages that include only one of them.

OR printer OR color The search engine looks for pages that include either or both of the terms.

NOT printer NOT color The search engine looks for pages that include the term printer, but do not also include the term color. The engine ignores the pages that include both terms.

Other characters used in searching:

NEAR▫Determines proximity of specified

keywords.Operator Search Criteria Effect

NEAR Printer NEAR color The search engine looks only for pages that include both terms, where the terms are not more than ten words apart

Other characters used in searching:

•“”▫This mark tells to treat the words as a

phrase rather than individual words.

Operator Search Criteria Effect

“” “ink jet printer” “color”

The search engine looks only for pages that include ink jet printer color and not ink, jet, printer, and color.

What is Search Engine Optimization (SEO)?•The process of affecting the visibility of a

website or a webpage in a search engines “natural” search result.

•The earlier and more frequently a site appears in the search result page, the more visitor it will receive from the search engine’s users.

What is Search Engine Results Page (SERP)? •The listing of results returned by the

search engine in response to a keyword query.

•The result normally include a title, a reference to the full version, a short description where the terms matched.

Components of SERP:

•Actual Search Query▫Word or set of words that are typed by the

user in the search bar of the search engine•Organic SERP Listing

▫Natural listings generated by search engines based on a series of metrics that determines their relevance to the searched term

•Paid SERP Listing▫Advertisements or sponsored links included

by the search engine in their search result.

Search Engine Result Page

Group 4

Ma. Rio Iturralde

John Carl Mari Rano

Erika Jean Robles

Group 4

Cesar Rentino

Judy Ann Nalaunan

Kenaly Dela Cruz