Valid Flash description (SWF file exported from FLA file format) This page show an example how make your Flash pages validate to comply with webstandards. This code for Flash (SWF) validates in compliance with web standards set by W3C. This code can be used in XHTML 1.0 Strict and is 100% valid. It degrades to GIF image if Flash plugin is not available and HTML + CSS stays valid. When using Flash