1.3.4 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?
the names given to values written within angle brackets (<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 script/language like HTML
except it’s used to describe the style of a webpage
what are the names of the methods of applying CSS?
-internal/embedded CSS,
-external CSS
where do you write external CSS?
in a separate document
how do you use external CSS in your HTML code?
you use the <link></link> tag
what is a search engine?
a search engine is a program that
searches through a database of internet addresses looking for a resource based on a criteria set by the client/user
what software does search engines
use?
web crawlers
what does a web crawler do?
travels across the internet collecting
keywords and phrases from a web page and adding it to an index of web resources
