Wednesday, July 27th, 2005

Ajax Deep Linking

Category: Editorial

<>p>Jon Udell has spoken about MSN Virtual Earth, Google Maps, and AJAX deep linking.

We talked about some of these points in an earlier editorial piece:

Making sure that crawlers like Google can grok your Ajaxian apps.

Neither Google Maps nor MSN Virtual Earth records the state of a particular map view on the browser’s URL-line. Google Maps hides all the parameters. MSN Virtual Earth presents only a GUID whose purpose I don’t yet understand, but which doesn’t record the map’s state. In both cases, the stateful URL is found elsewhere than on the URL-line. Google Maps presents it directly, with a link icon and a Link to this page label. MSN Virtual Earth presents it indirectly — clicking Permalink leads to a popup window containing the stateful URL.

The first installment of the Macromedia developer relations podcast has an excellent discussion of these emerging strategies (excerpt here).

The conclusion is that while users still expect URLs to record state, AJAX applications that partially refresh pages will instead need to place the stateful URL somewhere within the page, at a location — and using a style — that will become well-known conventions.

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Posted by Dion Almaer at 5:22 pm
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