View source for Web page diagnostic tools

Many browsers can act as platforms for diagnostic tools. You can analyze Web pages built with any version of Joomla by using them. These browser tools have many built-in features such as JavaScript debugging, DOM element views, the ability to view a page's HTML, CSS editing, etc. 
== Mozilla Firefox Web Browser ==
* [http://addons.mozilla.org/firefox/1843/ Firebug] (Firefox 1.5+) (For more information, please watch [[Using Firebug With Your Joomla Website|the free video tutorial on using Firebug with Joomla]].)
[[File:Screenshot-368firebug.png|left|thumb|Firebug at work]]
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* [http://addons.mozilla.org/firefox/60/ Web Developer] toolbar (Firefox 1+, Flock, Seamonkey)
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* [http://addons.mozilla.org/firefox/2104/ Simple CSS Viewer] (Firefox 1.5)
== Internet Explorer Web Browser ==
* [http://www.microsoft.com/downloads/details.aspx?familyid=e59c3964-672d-4511-bb3e-2d5e1db91038 Microsoft Internet Explorer Developer Toolbar] (MSIE 7)
* [http://www.debugbar.com/?langage=en DebugBar] (MSIE 5 - 8, free for personal use)
* MSIE 8+, press SHIFT+F12 or click the [http://msdn.microsoft.com/en-us/library/cc304131(VS.85).aspx Developer Tools] icon in the command bar
* Users of Office XP and later may also install the "Script Debugger" via Office Setup. (The debugger is not installed by default.)

== Opera Web Browser ==
Opera has a built-in diagnostic tool called Dragonfly.
When viewing the page, right click and choose "Inspect Element" to start Dragonfly.
* [http://www.opera.com/dragonfly/documentation/ Introduction to Opera Dragonfly] (Opera 10+)
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== Safari Web Browser ==
* How to enable the [http://developer.apple.com/internet/safari/faq.html#anchor14 Safari 3.x Developer Menu] ({{os|mac}} {{os|win}})
* [http://webkit.org/blog/61/introducing-drosera/ WebKit Drosera JavaScript Debugger] ({{os|mac}} WebKit: {{os|linux}})
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