CSC CH. 4

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Page Not Found Code

"404 Not Found"; when requested source does not exist

External CSS

A Cascading Style Sheet that is stored in a file separate from the HTML source document for a Web page; created automatically

HTML editor

A computer program for editing HTML, the markup of a webpage; WordPress or Google Slides

first-party cookie

A cookie that is created from the Web site that currently is being viewed.

third-party cookies

A cookie that was created by a third party that is different from the primary Web site.

search history

A list of queries entered into a search engine and also stored by the search engine; not the same as browser history

markup language

A series of commands used to format, organize and describe information on a Web page.

HTTP Methods

A set of commands that help your browser communicate with Web servers.

popular web development products

Adobe Dreamweaver; open source BlueGriffon

HTTPS (Hypertext Transfer Protocol Secure)

An encrypted version of HTTP. It uses port 443.

Popular browsers

Apple Safari, Google Chrome, Microsoft Internet Explorer, Microsoft Edge, and Mozilla Firefox

HTML document

File that contains your website content and the HTML formatting instructions

popular web hosting sites

GoDaddy, Amazon Web Services, HostGator and Google

unidirectional links

Links between Web pages that go in one direction only, linking A to B, but not linking B back to A.

popular web browsers

Microsoft edge, open source Mozilla Firefox, Google Chrome and Apple Safari

1st popular web browser

Mosaic

Search Engine Optimization (SEO)

Series of practices an organization can use to improve their visibility, or optimize, how their web pages or website show up on the search engine results pages.

client-side port

The client-side port definition feature enables a client application (of server type) to define its connection parameters before connecting to the server application. This enables the server application to control the number of client connections.

URL

Uniform Resource Locator; every web page has a unique one

browser cache

When your browser fetches pages and graphics to form a Web page, it stores that material on your device in temporary files (browser history)

HTTP

a communication protocol that works with TCP/IP to get the elements for Web pages to a local browser

Web hosting service

a company that provides space on a server to house Web pages

Web search engine

a computer program designed to help people locate information on the Web by formulating simple queries consisting of one or more words called keywords or search terms

hypertext

a computer system that could store literary documents, link them according to logical relationships, and allow readers to comment and annotate what they read

link popularity

a measure of the quality and quantity of the links from one Web page to others

search algorithm

a method of locating a specific item in a larger collection of data

Plugin

a program that extends a browser's ability to work with file formats

Citation

a quotation from or reference to a book, paper, or author, especially in a scholarly work.

HTTP session

a sequence of transactions most commonly used to request data from a Web server and return the files needed to display a Web page in a browser window

CSS (Cascading Style Sheets)

a set of detailed style specifications for an HTML document

cookie

a small chunk of data generated by a Web server and stored as a text file in memory or on disk

a browser extension

adds features to a browser

browser tabs

allow your browser to queue up multiple Web pages so that you can easily switch between them

web server

an Internet-based computer that stores Web site content and accepts requests from browsers

web page

based on an HTML source document that is stored as a file on a Web server

a web browser

client software that displays Web page elements and handles links between those pages

Bidirectional links

connects two documents using a two way link that can be followed from either document

source document

contains the text for a web page interested with coding for how to display text and other visual and auditory elements

session cookies

cookies stored in memory and deleted when the browser is closed; never stored

persistent cookies

cookies that are stored on a device after a session ends; some are programmed to time out after a designated date

HTML Versions

current HTML is HTML5; Tim Berners Lee developed original in 1990

Tim Berners-Lee

developed specifications for URLs, HTML, and HTTP--foundations of technologies of today's Web; created Web browser software originally called WorldWideWeb, renamed Nexus in the 1990s

Dynamic Web Page

displays customized content in response to keyboard or mouse actions, or based on information supplied directly or indirectly by the person viewing the page

Static Web Page

displays the same information, regardless of who accesses it

client-side scripts

embedded in an HTML document and run locally when a Web page is displayed by a browser

Invisible Web

encompasses pages that require password-protected logins and pages that are dynamically generated with server-side scripts

Hypertext links

how web pages are connected; commonly indicated by underlined or colored text, but a photo, button, tab, or other object on a Web page can act as the source of a link

<p>

indicates a new paragraph

the web

is a collection of HTML documents, images, videos, and sound files that can be linked to each other and accessed over the Internet using a protocol called HTTP

Internal CSS

is included within the header of an HTML document, places all the formatting elements where they can be edited hunting through the entire document

HTML document/source document

it is the source of HTML tags used to construct a web page

search terms

keywords or phrases about a topic that help locate information

Bookmarks/favorites

link to pages that you use frequently

predictive services

look ahead and anticipate what you might do when searching or filling out forms while using a browser

query processor

looks for your search terms in search engine's indexed database and returns a list of relevant Web sites

.html file extension

most common file extension for a web page

Default browser

only one browser can be designated; automatically used when you click a link in an email message or PDF file

stateless protocol

protocol that maintains no information about its clients

server-side script

run on Web servers rather than on your local device

Linkrot

sometimes links lead to pages that are no longer available

HTML tags

specify how the document should appear when displayed on a computer screen or printed

Search Operators

symbols or words that you add to your search terms in the Google search box to gain more control over the results that you see: NEVER use spaces between the operator and your query

HTML (Hypertext Markup Language)

the predominant language used to create web pages

Public Key Encryption

very clear process that requires one key to encrypt data but a different key to decrypt it

Components of a search engine

web crawler, indexer, database, query processor


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