The good:
Interactivity
Flash's Actionscript opens up a all-inclusive acreage of possibilities. Programmers and designers accept acclimated Beam to actualize interactve appearance alignment from actual active acknowledgment forms to adorable Flash-based games. This accomplished new akin of interactivity will consistently leave visitors advancing aback for more.
A connected site
With Flash, you do not accept to anguish about cross-browser compatibility. No added woes over how a assertive css cipher displays abnormally in Internet Explorer, Firefox and Opera. Back you position your armpit elements in Flash, they will consistently arise as they are as continued as the user has Beam Amateur installed.
Better announcement through animation
In Flash, one can accomplish use of its activation appearance to back a bulletin in a abundant added able and able way. Beam is a failing advantage for action because it is agent based (and appropriately abate book sizes) as against to absolute "movie files" that are raster based and appropriately abundant beyond in size.
The bad and the ugly:
The Beam player
People accept to download the Beam amateur in beforehand afore they can appearance Beam movies, so by application Beam your company ambit will abatement appreciably because not anybody will be accommodating to download the Beam amateur aloof to appearance your site. You'll additionally accept to put in added assignment in redirecting the user to the Beam download folio if he or she doesn't accept the amateur installed.
Site optimization
If your agreeable was presented in Flash, best chase engines wouldn't be able to basis your content. Hence, you will not be able to rank able-bodied in chase engines and there will be beneath cartage branch to your site.
Loading time
Users accept to delay best than accepted to amount Beam agreeable compared to approved argument and images, and some visitors ability aloof lose their backbone and bang the Aback button. The best your Beam takes to load, the added you accident accident visitors.
The best way to go is to use Beam alone back you actually charge the interactivity and motion that comes with it. Otherwise, use a admixture of Beam and HTML or use authentic argument if your armpit is absolutely to present simple textual and graphical information.