Add ons or you can call them as plugins. They are small scripts or tools or a set of them that are used to increase the functionality of some thing. For example installing a Firefox add on will let you install themes in Firefox. Similarly Wordpress addons and plugins will enhance and increase its functionality.
This add-on is not compatible with your version of Firefox.
There are hundreds of useful plugins available for Mozilla Firefox, depending on a person's unique computing needs. Some of the best include plugins called Grease Monkey and Pocket, according to PC Magazine.
To load all the contents of a webpage perfectly you need some plugins like adobe flash player etc. So browsers like Internet Explorer, Firefox or Google Chrome etc will ask you or prompt you to install missing or additional plugins.
You probably need to get Adobe Flash Player. To do this go to the adobe website at: adobe.com/flashplayer
Install bukkit
Most distribution have firefox installed by default. But if it isn't you can try type these into the command line: sudo apt[-get] install firefox sudo yum install firefox sudo dnf install firefox sudo aptitude install firefox sudo urpmi firefox sudo installpkg firefox.tgz sudo emerge firefox sudo pacman -S firefox
Go to Firefox.com, click Addons, and in the sidebar click Plugins.
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You drag it into the plugins folder. If you want plugins in your minecraft server use bukkit, not the vanilla minecraft server.
If your Firefox browser doesn't remember entries on forms despite selecting that option, check to make sure that you have the latest version of Firefox. Also make sure that you don't have any plugins enabled that are interfering. If you aren't sure, temporarily disable all of your plugins and test forms. Add the plugins back one at a time to find the one causing the problem.
In WordPress.com blogs you cannot install plugins even if you pay. The custom css allows only to change the styling of themes. It doesn't allow you to modify theme code or add plugins. If you want your own plugins, install WordPress.org software in your own domain and server.