WORLD WIDE WEB

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WORLD WIDE WEB (WWW)
EFFORTS BY-
SUDHANSHU JAIN
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WORLD WIDE WEB (WWW)
INTRODUCTION

• WWW DEVELOPED IN 1989

• DEVELOPED BY TIM BERNERS- LEE

• DEVELOPED IN PHYSICS LAB(CERN) SWITZERLAND

• SUPPORTS HYPERTEXT TO ACCESS SEVERAL INTERNET
  PROTOCOLS

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CONTENTS OF WWW

• HYPERTEXTHYPERLINK

• HTML

• WEB PAGES

• WEBSITE

• TYPES OF WEBSITE

• WEB BROWSER

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Hypertexthyperlink

• HYPERTEXT CONTAINING WORDS THAT CONNECT TO OTHER
  DOCUMENTS

• CONTAINING WORDS ARE CALLED HYPERLINKS

• PRODUCING HYPERTEXT FOR THE WEB IS ACCOMPLISHED
  BY CREATING DOCUMENTS WITH A LANGUAGE HTML(HYPER
  TEXT MARK UP LANGUAGE)

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HYPER TEXT MARK UP LANGUAGE (HTML)

• HTML CODE EDITORS AND WYSIWG EDITORS BUILT YOUR
  HTML PAGES.

• IT REQUIRES ONLY SIMPLE TEXT EDITOR TO START
  CODING

• AN HTML FILE CONTAIN MARK UP TAGS THAT FILL THE
  WEB BROWSERTHAT HOW TO FOLLOW THE,INSTRUCTIONS
  ENCLOSED WITHIN THE TAGS

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FOLLOWING ARE THE TAGS OF HTML-
1.ltHTMLgt
2.ltTITLEgt
3.ltBODYgt
4.ltPgt
6.ltEMgt
5.ltBRgt
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WEB PAGES

• IT IS A RESOURCE OF INFORMATION THAT IS SUITABLE
  FOR THE WORLD WIDE WEB

• IT CAN BE ACCESSED THROUGH A WEB BROWSER

• CONSISTS OF FILES OF STATIC TEXT STORED WITHIN
  THE WEB SERVERS FILE SYSTEM

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WEBSITE

1. COLLECTION OF WEBPAGES KNOWN AS WEBSITE

2.THE PAGES OF WEBSITE CAN USUALLY BE ACCESSED
FROM A COMMON ROOT CALLLED THE HOME PAGEE
3.IT HAVE TWO PARTS 1.BOOKMARK 2.WEB DIRECTORY
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• BOOKMARK

1.IT CAN STORED WEB PAGE LOCATION(URLs)
2.BOOKMARKS ARE SAVED LINKS AND ALSO CALLED
FAVORITES

• WEB DIRECTORY

1.IT SPECILALIZES IN LINKING TO OTHER WEB SITES.
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TYPES OF WEBSITE-
1.STATIC WEBSITE -

• IN THIS WEB PAGES ARE STORED ON THE WEB SERVERIN
  THE SAME FORM AS THE USER WILL VIEW THEM

2.DYNAMIC WEBSITE-

• IT DOES NOT HAVE WEB PAGES STORED ON THE WEB
  SERVER IN THE SAME FORM AS THE USER WILL VIEW
  THEM.

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FOLLOWING ARE THE WEBSITE MOST USABLE-
1.CORPORATE WEBSITE
2.PERSONAL WEBSITE
3.E-COMMERCE WEBSITE
4.AFFILIATE WEBSITES
5.BLOG WEBSITES
6. GAMES WEBSITES
7.EMPLOYMENT WEBSITE
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UNIFORM RESOURCE LOACTOR (URL)
IT SPECIFIES THE INTERNET ADDRESS OF A FILE
STORED ON A HOST COMPUTER CONNECTED TO THE
INTENET.
WEB BROWSER USE THE URL TO RETRIEVE THE FILE FROM
THE HOST COMPUTER AND THE SPECIFIC DIRECTORY IN
WHICH IT RESIDES
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FACTS ABOUT URL-
URLs ARE TRANSLATED INTO NUMERIC ADDRESSES USING
THE DOMAIN NAME SYSTEM(DNS)
THE NUMERIC ADDRESS CALLED THE IP(INTERNET
PROTOCOL) ADDRESS, IS ACTUALLY THEREAL URL.
E.G. OF DNS(198.123.213.100)
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WEB BROWSER

• IT IS SOFTWARE APPLICATION WHICH ENABLES A USER
  TO DISPLAY AND ITERACT WITH INFORMATION LOCATED
  ON THE WEB PAGES OR AT WEBSITE

• WEB BROWSERS ALLOW A USER TO QUIKLY AND EASILY
  ACCESS INFORMATION PROVIDED ON MANy WEB PAGES AT
  MANY WEBSITES BY TRVERSING THESE LINKS.

• WEB BROWSERS FORMAT HTML INFORMATION FOR DISPLAY.

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TYPES OF WEB BROWSER

1. GRAPHICAL-

E.G. OF GRAPHICAL WEB BROWSERS ARE AS FOLLOWS
INTENET EXPLORER,MOZILA FIREFOX,GOOGLE CHROME
2. TEXT-
ACCESS TOTHE WEB IN TEXT ONLY MODE SUCH AS LYNX