{for not fx55}[[Template:update fx desktop]]{/for} Plugins such as Flash can cause security, speed and stability problems on some sites. In order to give you a safe, fast and stable browsing experience, Firefox automatically blocks Flash on some websites that potentially cause problems. =What kind of websites are on Firefox's blocklist?= Firefox blocks Flash on the following sites: *Websites that are embedded in other websites. *Sites that use plugins unnecessarily. If a popular website does not need Flash to work properly, Flash will be automatically blocked in order to give you a faster and better browsing experience. {note}For more information about domain blocking, see [https://developer.mozilla.org/en-US/docs/Plugins/Blocking_By_Domain Blocking by Domain] on Mozilla Developer Network.{/note} <!-- Not sure if we should include this at all. Here's how to enable Flash by default: {warning}This is not recommended as it may cause security and stability issues.{/warning} #Click the menu button [[Image:new fx menu]]. #Click {button Add-ons} #Click the {menu Plugins} panel. #Find Flash on the list and click {button Preferences}. #Remove the checkmark next to '''Block dangerous and intrusive Flash content'''. -->

Plugins such as Flash can cause security, speed and stability problems on some sites. In order to give you a safe, fast and stable browsing experience, Firefox automatically blocks Flash on some websites that potentially cause problems.

What kind of websites are on Firefox's blocklist?

Firefox blocks Flash on the following sites:

• Websites that are embedded in other websites.
• Sites that use plugins unnecessarily. If a popular website does not need Flash to work properly, Flash will be automatically blocked in order to give you a faster and better browsing experience.