There are very good reasons why limiting the use of Flash is important:
1. Information embedded in Flash is often invisible to search engines
Most Internet navigators begin a web session with a search engine. Information hidden in graphics formats, such as Flash, is difficult, if not impossible, to find and process. While search engines such as Google try their best to extract links and textual content buried in Flash objects, the process is far from perfect. Sites constructed completely in Flash often offer very little textual information – consequently what information a search engine does find ranks poorly. Even sites partially constructed using Flash often “hide” their internal site links using Flash based site navigation.
2. Website reporting on Flash navigation is problematic and cumbersome
Web analytics systems help marketing professionals evaluate website visitor behavior in and around a website, providing actionable information valuable in improving a website’s business performance.
Web analytics tagging is often an after thought. Flash Action Script coding adds extra implementation cost and complexity. Flash designer(s) are often unfamiliar with web analytics requirements and thus don’t consider Flash events tagging requirements during site design. Implemented tag verification is a tedious process as it requires waiting for data to appear in the reporting system – hours or days later. Flash does not provide referrer information, making it very difficult to track navigation paths.
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