Firefox

How to Enable or Disable Recommended Extensions in Firefox

Extensions are a type of add-on for Firefox that allows you to add new features to Firefox or modify existing ones.

Starting with Firefox 68, recommended extensions will now show on the Add-ons Manager (about:addons) page.

This tutorial will show you how to enable or disable recommended extensions on the Add-ons Manager in Mozilla Firefox for your account in Windows 7, Windows 8, and Windows 10.

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How to Enable or Disable Extensions in Mozilla Firefox

Extensions are a type of add-on for Firefox that allows you to add new features to Firefox or modify existing ones.

Sometimes you may need or want to temporarily completely disable (turn off) an added extension in Firefox without removing it until you enable it again.

This tutorial will show you how to enable and disable extensions in Firefox for your account in Windows 7, Windows 8, and Windows 10.

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How to Disable Ad Snippets on New Tab Page in Firefox

Mozilla uses Snippets to display tips, suggestions, updates, and messages about Firefox.

Some people have reported advertising displaying at the bottom of the New Tab page in the desktop version of Firefox.

The advertisement is powered by the Snippet Service of Firefox, and is intended to assemble and deliver content snippets to the about:home page in Firefox.

Mozilla provided the following statement:

“This snippet was an experiment to provide more value to Firefox users through offers provided by a partner. It was not a paid placement or advertisement. We are continually looking for more ways to say thanks for using Firefox. In a similar vein, earlier this month we offered Firefox users a free opportunity to enjoy a live concert from Phosphorescent.

In addition to adding value to Firefox users these efforts are intended to support an open ecosystem. When users see such offers no data is being shared with a partner until users have made the choice to enter a relationship. We hope that this strategy sets a positive example.”

If you are seeing ads on the bottom of the New Tab page in Firefox and don’t want to see them, then you can disable Snippets in Firefox to disable them.

This tutorial will show you how to enable or disable Snippets for ads on the bottom of the New Tab page in Firefox for your account in Windows 7, Windows 8, and Windows 10.

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How to Enable AV1 Video Support on YouTube

AOMedia Video 1 (AV1) is an open, royalty-free video coding format designed for video transmissions over the Internet. It is being developed by the Alliance for Open Media (AOMedia), a consortium of firms from the semiconductor industry, video on demand providers, and web browser developers, founded in 2015. The AV1 bitstream specification includes a reference video codec.

The AV1 video codec provides advanced compression, bringing you smoother streaming in HD and data savings for more video on the go.

YouTube has published an AV1 Beta launch playlist of the first videos to receive YouTube’s AV1 transcodes. These transcodes are encoded at a very high bitrate for decoder performance testing.

Because it is new, streaming AV1 in HD requires a powerful computer, and only some videos have AV1 available at this time.

This tutorial will show you how to enable AV1 video support on YouTube for your account in Windows 7, Windows 8, and Windows 10.

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How to Enable or Disable AV1 Video Codec Support in Firefox

AOMedia Video 1 (AV1) is an open, royalty-free video coding format designed for video transmissions over the Internet. It is being developed by the Alliance for Open Media (AOMedia), a consortium of firms from the semiconductor industry, video on demand providers, and web browser developers, founded in 2015. The AV1 bitstream specification includes a reference video codec.

Starting with Firefox 63.0, Mozilla added experimental AV1 codec support to play AV1-encoded videos.

Support for playing AV1 videos in Firefox is disabled by default, but you can enable support.

This tutorial will show you how to enable or disable AV1 codec support to play AV1-encoded videos in Firefox for your account in Windows 7, Windows 8, and Windows 10.

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How to Enable or Disable Quick Find in Firefox

Firefox includes a Find in This Page (Ctrl+F) feature that allows you to search for words and phrases on the page of a website you are viewing in Firefox. Firefox will show you where the search phrase you’ve typed appears next on the page, and lets you highlight all the places where it appears.

Firefox also include a Quick Find feature that is useful for quick searches and is meant to disappear after a few moments. It does not have the Next, Previous, or Highlight All buttons like the full Find bar.

Press the / key (forward slash character) to open the Quick Find bar at the bottom. Then type what you would like to search for. Press F3 or Ctrl+G to highlight the next item that contains your search phrase. Press Shift+F3 or Shift+Ctrl+G to highlight the previous item that contains your search phrase.

Press the key (single quote character) to open the Quick Find (links only) bar at the bottom to find phrases that occur in links on the page you’re viewing. Press Ctrl+G to highlight the next link that contains your search phrase. Press Shift+F3 or Shift+Ctrl+G to highlight the previous link that contains your search phrase.

Starting with Firefox 63.0, you can disable the Quick Find feature if you find it annoying.

This tutorial will show you how to enable or disable the Quick Find feature in Firefox for your account in Windows 7, Windows 8, and Windows 10.

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How to Add and Remove Search Engine Shortcut Icons in Top Sites on Firefox New Tab page

Starting with Firefox 63.0, search shortcuts for Top Sites were added. Amazon and Google appear as Top Sites tiles on the Firefox Home (New Tab) page. When selected these tiles will change focus to the address bar to initiate a search.

Firefox lets you pin search for Google, Bing, Amazon, DuckDuckGo, eBay, Twitter and Wikipedia in your top sites.

This tutorial will show you how to add and remove search engine shortcut icons in Top Sites on the New Tab page in Firefox for your account in Windows 7, Windows 8, and Windows 10.

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How to Enable or Disable Ctrl+Tab Thumbnail Previews of Tabs in Firefox

Starting with Firefox 63.0, the Ctrl+Tab shortcut now displays thumbnail previews of your tabs and cycles through tabs in recently used order. This new default behavior is activated only in new profiles and can be changed in preferences.

If you enable Ctrl+Tab thumbnail previews, pressing the Ctlt+Tab keys in Firefox displays thumbnail previews of all open tabs. This is like the Alt+Tab feature in Windows. You would press and hold the Ctrl key, tap the Tab key until you select the tab you want to switch to, and release the Ctrl key.

If you disable Ctrl+Tab thumbnail previews, pressing the Ctlt+Tab keys in Firefox only cycles through tabs in recently used order in Firefox without thumbnail previews. This was the default way before Firefox 3.0.

This tutorial will show you how to enable or disable pressing Ctrl+Tab keys displaying thumbnail previews of tabs in Firefox for your account in Windows 7, Windows 8, and Windows 10.

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How to Change New Tab page in Firefox in Windows

When you open a new tab in Firefox, you will see the Firefox Home screen by default.

The Firefox Home screen can display the Search bar, Top Sites (sites you visit most), popular articles Recommended by Pocket, Highlights (sites you’ve visited recently or bookmarked), and Snippets (updates from Mozilla) every time you open a new tab.

You can select to see the Firefox Home screen (default) or a blank page when you open a new tab in Firefox.

This tutorial will show you how to change what you see by default when you open a new tab in Firefox for your account in Windows 7, Windows 8, and Windows 10.

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How to Enable or Disable Close Tab by Double Click in Firefox in Windows

By default in Firefox, you can close a tab by clicking on the X button on the tab, pressing the Ctrl+F4 keys, or pressing the Ctrl+W keys.

Starting with Firefox 61.0, you can enable or disable (default) a flag for an experimental feature to be able to double click/tap on a tab to close it.

This tutorial will show you how to enable or disable close tab by double click in Firefox for your account in Windows 7, Windows 8, and Windows 10.

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How to Enable or Disable Tab Warming in Firefox in Windows

Firefox usually does a good job most of the time when it comes to tab switching performance, some sites have noticeable delays between activing the tab and Firefox switching to it.

Firefox 61.0 comes with a new feature called Tab Warming that can give speedier response times when switching between tabs because Firefox is preemptively loading tabs when you’re hovering over them.

Tab Warming is enabled by default in Firefox.

This tutorial will show you how to enable or disable Tab Warming to preemptively load tabs when you hover over them in Firefox for your account in Windows 7, Windows 8, and Windows 10.

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How to Change Number of Rows of Top Sites to Show on New Tabs Page in Firefox

Starting with Firefox Quantum (version 57), there is a new user interface (UI) called Photon.

By default, Firefox displays Search bar, Top Sites (sites you visit most), popular articles Recommended by Pocket, Highlights (sites you’ve visited recently or bookmarked), and Snippets (updates from Mozilla) every time you open a new tab.

By default, Firefox only shows one row of Top Sites on the New Tab page. You can change to show as many rows of Top Sites you want on the New Tab page. This will add more sites to the Top Sites section on the New Tab page.

This tutorial will show you how to change the number of rows of Top Sites to show on the New Tab page in Firefox for your account in Windows 7, Windows 8, and Windows 10.

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How to Enable or Disable IDN Punycode in Firefox Address Bar in Windows

Punycode is a representation of Unicode with the limited ASCII character subset used for Internet host names. Using Punycode, host names containing Unicode characters are transcoded to a subset of ASCII consisting of letters, digits, and hyphen, which is called the Letter-Digit-Hyphen (LDH) subset. Punycode is used to encode internationalized domain names (IDNs) as a defense against address spoofing.

From a security perspective, Unicode domains can be problematic because many Unicode characters are difficult to distinguish from common ASCII characters. It is possible to register domains such as “xn–pple-43d.com”, which is equivalent to “Đ°pple.com”. It may not be obvious at first glance, but “Đ°pple.com” uses the Cyrillic “Đ°” (U+0430) rather than the ASCII “a” (U+0061). This is known as a homograph attack.

Firefox allows enabling to show IDN punycode instead of non-Latin letters and Unicode symbols in the address bar. This can be very useful to help see if the currently opened web page is a phishing site or just a non-official mirror of some web site which you would like to avoid.

This tutorial will show you how enable or disable showing IDN punycode in the address bar of Firefox for your account in Windows 7, Windows 8, and Windows 10.

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How to Change Performance Settings for Firefox Quantum

Starting with Firefox Quantum (version 57), there is a new user interface (UI) called Photon.

Firefox automatically uses recommended performance settings that work best with your computer.

If you like, you can modify the following performance settings to customize them how you want instead.

  • Use hardware acceleration when available – This allows Firefox to use your computer’s graphics processor, if possible, instead of the main processor, to display graphics-heavy web content such as videos or games. This frees up resources on your computer so it can run other applications, like Firefox, faster. This box is checked by default but the feature isn’t available for all graphics processors. You must restart Firefox after changing this setting, before it will take effect.
  • Content process limit – With Multiprocess Firefox, also called electrolysis or e10s , Firefox runs web content for all tabs separately from the main Firefox process for increased security and performance. Using multiple content processes can further increase performance and minimize the impact of content process crashes. You can modify this setting if multiprocess is enabled; however, having too many content processes can slow down your computer, and consequently, Firefox. The recommended maximum is four, but you can set up to seven.

This tutorial will show you how to change the performance settings of Firefox Quantum for your account in Windows 7, Windows 8, and Windows 10.

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How to Add or Remove Toolbar Items in Firefox Quantum

Starting with Firefox Quantum (version 57), there is a new user interface (UI) called Photon.

If you like, you can add or remove items for the toolbar and overflow menu to customize the toolbar how you like in Firefox.

This tutorial will show you different ways on how to add or remove items for the toolbar and overflow menu in Firefox Quantum for your account in Windows 7, Windows 8, and Windows 10.

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