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Jul052008

qUIpt: Client side JS caching in window.name

qUIpt is a small library that is capable of caching Javascript files inside the users browser – even if SSL is active. qUIpt helps the site owner by reducing traffic costs and the user with faster page loading.

How does it work?

  • It checks for the contents of window.name while your page is being loaded.
  • If there’s nothing inside the window.name cache the JS files defined by you are fetched via XHR
  • The same happens if the users enters your site for the first time of his current browser session or if document.referrer is off-domain or empty
  • After that the contents of window.name are being evaluated
  • If the user requests the next page on your domain the JS files are directly taken from window.name – no more requests necessary

qUIpt | Demo

Source:→ Ajaxian

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