Some web developers know that Google and Microsoft host copies of popular frameworks on their Content Distribution Networks, and that using code that draws from these sources means that visitors to our websites will not have to download the scripts again, as they already have them cached (due to visiting other websites that use the same technique) which means faster download times for our web pages.

You can link to a particular version of a framework using:

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Frameworks, sometimes known as prototyping systems, are perhaps best described as “shortcuts” installed as an upper-level library over a base language. They allow you to achieve popular, complex operations in brief snippets of code that would otherwise take a great deal of work to specify in the original language.

There are many different frameworks, for many different languages. Some examples of web development frameworks include:

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