Firefox Page Info window

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The Firefox Page Info window gives you technical details about the page you're on and also allows you to change various permissions for that website. To open the Page Info window, use one of these methods:

  • If the Menu bar is enabled,In the Menu bar, click Tools and select Page Info from the drop-down menu.
  • Right-clickHold down the control key while you click on an empty area of the web page and select View Page Info from the context menu.
  • Use the keyboard shortcut Ctrl + Icommand + I.

You can also open the Page Info window by following these steps:

  1. Click the padlock Fx89PadlockFx70GreyPadlock to the left of a web page's address.
  2. Click the right arrow in the Site Information drop-down panel.
  3. Click the More Information button in the next prompt.

The Page Info window that opens is organized into different panels. Each panel is described below.


The General panel includes basic information about the page such as its title, content type and size, as well as more technical data from the page source.

  • Title: Displays the title of the page you're visiting.
  • Address: Displays the URL (Uniform Resource Locator) of the page you're visiting.
  • Type: Displays the content type (MIME type) of the page you're visiting. This type is determined by the web server.
  • Render Mode: Displays whether the page conforms to web coding standards (Standards compliance mode) or if Firefox must display the page in a way that is compatible with non-standard code (Quirks mode).
  • Text Encoding: Displays what character encoding the page uses. For more information, see this article.
  • Size: Displays the size of the page in kilobytes (and bytes).
  • Modified: Displays the date and time the page was last changed.


The Meta field displays any metatags located in the page's source code. These can include specifications on file type, character encoding, author, keywords, and more.


The Media panel displays the URL and type of all the backgrounds, images, and embedded content (including audio and video) that loads with the page. You can click on any item to find out more about it including its:

  • Location: The URL of the specified item.
  • Type: The file type of the specified item.
  • Size: The size in kilobytes (and bytes) of the specified item.
  • Dimensions: The size of the item on the screen in pixels.
  • Associated Text: For images, the "alternate" text that displays if the image is not loaded.

For any item, you can choose to save it to your hard drive by clicking the Save As… button.


The Permissions panel lets you override optionspreferences for the domain listed after Permissions for. Uncheck the Use Default box to specify whether the page is allowed or blocked from doing the indicated action.

Access Virtual Reality Devices

Specifies whether the listed domain is allowed to use your connected virtual reality headset. This applies to sites that have immersive experiences, such as 360° videos and games. You can set this to Always Ask, Allow, or Block. To learn more, see WebXR Permission Info Page.

Access Your Location

Specifies whether Firefox is allowed to tell the listed domain where you're located, using Location-Aware Browsing.


Specifies whether the listed domain is allowed to autoplay audio and video. For more information, see Allow or block media autoplay in Firefox.

Install Add-ons

Specifies whether the listed domain is allowed to launch the extension or theme installation dialog box. Installation permission for websites can be added or removed in the Privacy & Security panel of Firefox OptionsFirefox Preferences, under Permissions.

Open Pop-up Windows

Specifies whether the listed domain may launch pop-ups. See Pop-up blocker settings, exceptions and troubleshooting for instructions on how to add or remove pop-up permissions for sites.

Override Keyboard Shortcuts

Specifies whether the listed domain may replace built-in keyboard shortcuts; for example, assigning Ctrl + Bcommand + B to a Bold command instead of the Bookmarks Sidebar. Caution: Setting this permission to Block currently disables use of the Delete key, and causes the Backspace key to work like the Back button, even in forms and editors.

Send Notifications

Specifies whether the listed domain is allowed to send Push notifications.

Set Cookies

Specifies whether the listed domain may set cookies. See Websites say cookies are blocked - Unblock them and Block websites from storing cookies and site data in Firefox for instructions on how to add or remove cookie permissions for sites.

Share the Screen

Websites can ask your permission to share your computer screen. You can set this to Always Ask or Block. For more information, see Share browser windows or your screen with sites you trust.

Store Data in Persistent Storage

Specifies whether the listed domain is allowed to store data on your computer for later use. Firefox keeps data from websites with persistent storage until you delete it. For more information, see Manage local site storage settings.

Switch to this Tab

Specifies whether the listed domain is allowed to change the focus to its own tab. You can set this to Always Ask or Allow.

Use the Camera

Specifies whether the listed domain is allowed to use your camera. This applies to sites that have video or image capture capabilities, such as video chat sites. You can set this to Always Ask, Allow, or Block.

Use the Microphone

Specifies whether the listed domain is allowed to use your microphone. This applies to sites that have audio recording capabilities, such as voice conferencing sites. You can set this to Always Ask, Allow, or Block.



Website Identity

  • Website: Lists the domain of the page.
  • Owner: Displays the site's owner, if the page's identity can be verified.
  • Verified by: Displays the agency that issued the security certificate the site uses, if there is one. Click the View Certificate button to see the website certificate.

Privacy & History

  • Have I visited this website before today?: Displays whether you've visited the site before today, and if so, how many times.

  • Is this website storing information on my computer?: Displays whether the site is storing cookies or other site data. Click the Clear Cookies and Site Data button to view or clear the stored data, if it is.
  • Have I saved any passwords for this website?: Displays whether you've saved login information for this site. Click the View Saved Passwords button to view the passwords you've saved for the site.

Technical Details

The Technical Details section displays whether the connection is encrypted for privacy reasons, and if so, what type or strength of encryption was used.

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