According to web usability consultant Jakob Nielsen, Flash websites are 99% Bad mmmkay. Two of the reasons he gives (in his now 7 year old report) for this claim are that:

* The “Back” button does not work.
* In general, Flash integrates poorly with search.

BLITZ has already addressed the first issue in our Flash Framework. The Framework implements an elegant and user-friendly solution that not only fixes the browser back button navigation issue, but also adds additional accessibility and usability functionality by adding support for:

* updating the browsers title bar with each unique page view
* deep-linking into sub-pages of a Flash website
* user bookmarking of sub-pages within a Flash website
* pretty URLs for all pages within a Flash website

Full article