Web Technologies Flashcards
What is HTML?
The language/ script that web pages are written in
What does HTML do?
Allows a browser to interpret and render a webpage
What is a tag in HTML?
Names given to the values written within angle brackets ie<h1>
What is an identifier selector?
A value that follows a hashtag
What is a class selector?
A value that follows a full stop
What is CSS?
A language/ script that is used to describe the style of a webpage
What are the names of the two methods of applying CSS?
- Internal/ embedded CSS
- External CSS
Where do you write internal CSS?
Placed inside the style tags and is entered directly within the HTML document
Where do you write external CSS?
In a separate document
How do you use external CSS in your HTML code?
Use <link></link> tag
What is JavaScript?
Language used on webpages to add interactivity
Is JavaScript interpreted or compiled?
Interpreted
What is a search engine?
A program that searches through a a
database of internet addresses looking for a resource based on criteria set by the client/ user
What software does a search engine use?
Web Crawlers
What do Web Crawlers do?
Travels across the internet collecting keywords and phrases from a web page and adding it to an index of web resources
What is the pagerank algorithm?
Algorithm used to determine the order used when showing web results for a search engine query.
What factors determine a pagerank?
- The number of incoming links it has from other web pages
- The page rank of the web pages that link to it
What is server side processing?
When a client sends information to a server for processing
What is client side processing?
When information is processed on a local device for processing
