Browser Plug-ins – What are They and Why do you Need Them?
Your computer may have a wide range of software installed, all of which will serve different functions. One of those programs will be the browser that you choose to work with.
Every web page that you go to will be a little different, and some will use embedded media or other tricks to make your browsing experience more rich.
The trouble is that some of the things that pages want to run will need external programs in order for them to be displayed correctly, or for them to be displayed at all. This is where plug-ins come in.
If the content of a web page needs a video application in order to run-for instance a flash video player, it needs to not only call on the application but also get it to run within the web page.
The page itself will tell the browser that it needs the use of this external application, but the browser alone cannot help. It does not know how to open the other application, or even which application is needed.
As a user you have to install the plug-in needed for the content on the page. The page itself will tell you if the plug in is missing and will often direct you to a website where the plug in can be found. Installation is easy, normally requiring that you just click a link and accept the install, before restarting your browser.
When you run the same web page again, it will put out the call the same as before for an external application, but the plug-in rather than the browser will now recognise that call.
It is then able to act as an intermediary between the browser and the external application, causing it to load and be displayed appropriately within.
You could say that the plug-in is the translator for the web page content. It alone understands the call that the web page puts out, and acts on it appropriately. Without the plug-in the browser cannot ‘talk’ to the external software application.
From time to time your browser has to be upgraded, or the other software applications themselves need upgrading. When this happens there is an occasional chance that you will need to re-install the plug-in that allows you to view the content on various pages, but again it is a simple process.
It will be prompted by you visiting a page that contains content that needs the plug in to run, and should not take long on today’s internet download speeds.
There is no need to install plug-ins before they are first needed as they install quickly, but once the time comes there is no way of avoiding it, if you want to see the web page’s content.
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