Plug-ins are computer programs that extend the standard functionality of the browser.
Plug-ins were designed to be used for many different purposes: .To run Java applets .To run Microsoft ActiveX controls .To display Flash movies .To display maps To scan for viruses .To verify a bank id
The <object>ment is supported by all browsers. The <object> element defines an embedded object within an HTML document. It was designed to embed plug-ins (like Java applets, PDF readers, and Flash Players) in web pages, but can also be used to include HTML in HTML: