SEO of a flash website is not that unusual or complicated, compared to optimization of standard, HTML site. Google can crawl and index the text content and discover links of all swf file formats. At the moment of writing this, Google bot can’t index images, stored in a flash. So flash is not appropriate for an image gallery, if you want to get traffic from your images. It’s a pity because Flash is very suitable for designing cool and shiny photo galleries; I think that soon Google will handle flash images.
The latest update of Google flash handling capabilities was the ability to crawl external resources, loaded by a flash file.
Flash for navigation
You can see many articles with advice not to use flash for site navigation but you can go around the problem easily, just submit your sitemap to Google.
So, how to optimize flash content for search engines?
- On-site optimization
Google bot behaves like any human visitor, it will fill forms, press buttons and view the content. The bot can understand text content and hyperlinks so you need to have accessible text content within your flash website.
- Off-site optimization
You need to do all the standard SEO routines – submitting to link and articles directories, forum posting, blog commenting, Social Media Optimization, Social Bookmarking.
http://googlewebmastercentral.blogspot.com/2009/06/flash-indexing-with-external-resource.html - Flash indexing with external resource loading
http://googlewebmastercentral.blogspot.com/2008/06/improved-flash-indexing.html - Flash Indexing