2.2 Describe Websites and Webpages

cons of web apps

You must be online to use web apps;Your files are more vulnerable to security and privacy violations; If the web app provider has technical problems, you might not be able to access your work; If the web app provider goes out of business, you can lose your files; Web apps often offer fewer features and may run more slowly than installed apps

wiki

a website that allows collaborative editing of its content and structure by its users

pros of web apps

access web apps from any device with a browser and internet connection; collaborate with other no matter their location; store your work on the app's website so you can access it anytime and anywhere; save storage on your device; access the latest version of the app without installing updates

navigation bar

bar or menu lists links to other major parts of the website

sidebar

column on the left or right of the webpage provides supplemental material, including social networking feeds, ads, and links. A current trend is to omit the sidebar to let the body span the full width of the webpage, especially if the body contains images

major areas of webpages

header/banner, navigation, bar or menu, body, sidebar and footer

how to identify a secure website

look icon

body

main content area of the webpage, and can provide text, images, audio, and video

footer

Located at the bottom of a webpage, the footer contains links to other parts of the website and lists information about the webpage, such as when it was last updated

header

Located at the top of a webpage, the header or banner usually includes a logo to identify the organization sponsoring the webpage and a title to indicate the topic or purpose of the webpage.

content aggregator

An organization that searches the Web for new content, and collects and organizes the content in one place