This document explains all of the optionspreferences available in the Content panel of the OptionsPreferences window of Mozilla Firefox. For other panels, see OptionsPreferences window.
The Content panel contains optionspreferences related to how websites are displayed.
Table of Contents
- Block Pop-up Windows: By default, Firefox blocks annoying pop-up windows on websites. Unchecking this optionpreference will disable pop-up blocking.
Some websites make legitimate use of pop-up windows. Therefore, you can allow these sites to open pop-ups anyway. To do so, click , enter the site name, and click . To remove a website from the list, select it and then click . To clear the list completely, click . For more information, see the Pop-up blocker settings, exceptions and troubleshooting article.
- Load images automatically: Firefox displays images in web pages by default. Uncheck this optionpreference to disable images in web pages.
If you enable loading images automatically, the button lets you select sites from which images will not automatically load. The button lets you specify websites that you wish to load (or not load) regardless of the setting of this preference. In the exceptions list, enter the site from which you want to allow or block images and click to allow images, or click to block the images.
- Move or resize existing windows: Uncheck this optionpreference to disable moving and resizing windows using scripts.
- Raise or lower windows: Uncheck this optionpreference to make sure scripts cannot raise (bring to the front) or lower (send to the back) windows.
- Disable or replace context menus: Uncheck this optionpreference to prevent web pages from disabling or changing the Firefox context menu.
Fonts & Colors
Default font and Size: Web pages are usually displayed in the font and size specified here (measured in pixels). However, web pages can override these choices unless you specify otherwise in the Fonts dialog. Click the optionspreferences.button to access the Fonts dialog and to change this and other fonts
- From the Fonts for drop-down list, choose a language group/script. For instance, to set default fonts for the West European languages/scripts (Latin), choose Western. For a language/script not in the list, choose Other Languages.
- Select whether proportional text should be serif (like "Times New Roman") or sans-serif (like "Arial"). Then specify the font size you want for proportional text.
- Specify the font to use for Serif, Sans-serif and Monospace fonts. You can also change the size for
You can also set the minimum web page font size. This is useful to prevent sites from using overly small fonts that are barely readable.
- Allow pages to choose their own fonts, instead of my selections above: By default Firefox uses the fonts specified by the web page author. Disabling this optionpreference will force all sites to use your default fonts instead.
- Character Encoding: The character encoding selected here will be used to display pages that do not specify which encoding to use.
Text and Background: Here you can change the default text and background color to be used on web pages that haven't specified that information. Click on the color samples to select colors.
- Use system colors Check this optionpreference to use the colors defined in your operating system settings instead of the colors specified above.
Link Colors: Here you can change the default colors for Web links. Click on the color samples to select colors.
- Underline links: By default, links are underlined on web pages. Uncheck this optionpreference to disable this. Note that many sites specify their own styling rules and this optionpreference has no effect on those sites.
- Allow pages to choose their own colors, instead of my selections above: By default, Firefox uses the colors specified by the web page author. Disabling this optionpreference will force all sites to use your default colors instead.
Some web pages are offered in more than one language. Click thebutton to specify your preferred language or languages.
Languages Dialog: To add a language, click Select a language to add..., choose the language, and click thebutton. Remove a language by selecting it in the list of active languages and clicking the button. You can also reorder languages using the and buttons to determine the most preferred one in case a page is provided in multiple languages .
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