A plugin is a small program designed to be added to a main program called host software (for example, your browser). Plugins are used by many websites. They allow users to watch videos, hear sounds, play games, see computer graphics, etc.
Among the most well-known are Java and Flash plugins, for example.
The advent of the cell phone requires the creation of simple and quickly consumable content that does not require plug-ins. Some of them are not even readable by cell phones, which is detrimental to the user experience. Many security issues have also been identified because of some plugins, such as access to the microphone or camera of your computer for example.
Finally, search engine robots cannot exploit the content of certain plugins for SEO. This means that the content of the plugins does not appear on search engine results, especially with Flash and Java.
As Flash, Silverlight and Java are increasingly rejected by browsers, the most obvious solution to avoid being blocked by search engines is not to use plugins to display your content.
In addition, it is possible to convert plugin-based content using HTML5. This format allows :