The World Wide Web CSCE 101 – Fall 2010 The Internet and the Web Internet: A worldwide computer network that connects hundreds of thousands of smaller networks. “The mother of all networks”.
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The World Wide Web
CSCE 101 – Fall 2010
We’ve already covered probably as far as we will
For extra HTML practice, read Ch 16.2 and look at Lab 2 and Lab 3 as well as the html tutorial
same individual or company. Generally shares a common domain name.
Main Domain Extension Types Suffix Extension Descriptions
.com (.commercial) is a generic top-level domain. It was one of the original top-level domains, and has grown to be the largest in use.
.org (.organization) is a generic top-level domain, and is mostly associated with non-profit organizations. It is also used in the charitable field, and used by the open-source movement. Government sites and Political parties in the US have domain names ending in .org
.net (.network) is a generic top-level domain and is one of the original top-level domains. Initially intended to be used only for network providers (such as Internet service providers). It is still popular with network operators, it is often treated as a second .com. It is currently the third most popular top-level domain.
.edu (.education) is the generic top-level domain for educational institutions, primarily those in the United States. One of the first top-level domains, .edu was originally intended for educational institutions anywhere in the world. Only post-secondary institutions that are accredited by an agency on the U.S. Department of Education's list of nationally recognized accrediting agencies are eligible to apply for a .edu domain.
.info (.information) is a generic top-level domain intended for informative website's, although its use is not restricted. It is an unrestricted domain, meaning that anyone can obtain a second-level domain under .info. The .info was one of many extension(s) that was meant to take the pressure off the overcrowded .com domain.
.gov (.government) a generic top-level domain used by government entities in the United States. Other countries typically use a second-level domain for this purpose, e.g., .gov.uk for the United Kingdom. Since the United States controls the .gov Top Level Domain, it would be impossible for another country to create a domain ending in .gov.
.biz (business) the name is a phonetic spelling of the first syllable of "business." A generic top-level domain to be used by businesses. It was created due to the demand for good domain names available in the .com top-level domain, and to provide an alternative to businesses whose preferred .com domain name which had already been registered by another.
session-id-time 954242000 amazon.com/
session-id 002-4135256-7625846 amazon.com/
x-main eKQIfwnxuF7qtmX52x6VWAXh@Ih6Uo5H amazon.com/
ubid-main 077-9263437-9645324 amazon.com/
Sample Amazon.com cookie