Firefox disables old versions of Java by default.įor Firefox, tap on the Alt-key on your keyboard and select Help > About Firefox from the menu that opens up. The first thing that you may want to do when you encounter issues loading Java contents in Firefox is to make sure that you have the latest version of the plugin and the browser installed on your system. It highlights that the plugin has security vulnerabilities. The element itself on the page is displayed in a different fashion as well. When you click on it, you get the following prompt that allows you to continue blocking the plugin, or use the allow now or allow and remember options to activate it temporarily or permanently for the site.

Note that you can also click on the icon in Firefox's address bar directly to get the very same prompt.Īs far as the Java Deployment Toolkit plugin goes: if you have set it to ask to activate in Firefox, you will notice a different message on websites that try to use it.įirefox will display a red icon in the address bar that flashes briefly on load. Here you can select to either allow the contents to run for the current session, or for all future sessions. When you click on the placeholder element, a prompt is displayed at the top. The benefit here is that they do not get loaded automatically anymore, giving you better control over where Java contents get loaded. Java contents are displayed with a placeholder image in the browser then. These plugins have been added to a global blocklist that Firefox retrieves automatically. Mozilla, the organization behind the Firefox browser, has been making use of the click to play feature recently to block plugins with known security vulnerabilities or stability issues from being loaded in Firefox automatically. Most browsers offer controls that enable you to disable plugins or set them to click to play. While it is somewhat understandable that popular plugins such as Adobe Flash or Java are picked up by the browser, it is hard to understand why plugins such as Google Update or Microsoft Office get loaded as well. Most browsers load all plugins they can get hold of, which often has the consequence that ten or more plugins are loaded by default and may interact with websites that get opened in the web browser of choice. Browser plugins like Java, Flash or Silverlight are third party programs that get loaded by the browsers provided that they are set up correctly and not blocked by the user.

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