Sorry! 0 results found for ‘pseudotag’ in ‘English’
Try searching again with a different keyword, or browse our featured articles and threads below instead.
Secure connection failed and Firefox did not connect
If a website requires a secure connection that cannot be established, Firefox will not connect and will show you an error page. Learn more.
Common Myths about Private Browsing
Learn more about common misconceptions about Private Browsing in Firefox.
Make Firefox your default browser on Windows
Learn how to make Firefox your default Web browser on Windows 10 and Windows 11.
Install Firefox on Linux
This article describes how to download and install Firefox on Linux.
Enhanced Tracking Protection in Firefox for desktop
Enhanced Tracking Protection in Firefox automatically protects your privacy while you browse.
Permission request messages for Firefox extensions
Learn about permission requests when adding extensions to Firefox. Get details on each request for a clearer understanding.
Update Firefox to the latest release
Firefox automatically updates itself by default, but you can always do a manual update. Learn how to update Firefox on Windows, Mac, or Linux.
Add-on Badges
You’ll know if an extension is being regularly reviewed if it has one of the badges listed in this article.
Firefox Page Info window
The Firefox “Page Info” window gives you details about the page you're on. You can also use it to change permissions for the website.
Firefox options, preferences and settings
Settings panels give you access to Firefox settings. This article describes what types of settings are available in each panel.
Understanding the risks of installing self-hosted extensions
Learn about the risks of installing extensions from third-parties and how to assess the trustworthiness of the source.
Windows 10 warns me to use a "Microsoft-verified" app
Windows 10 may interrupt your Firefox install with a "Microsoft-verified apps" warning. Firefox is safe to install, so choose "install anyway".
Insecure connection password warning in Firefox
Firefox will show you a "connection is not secure" warning message when a website login page is insecure and information could be stolen.
Thunderbird and Junk / Spam Messages
This article explains how Thunderbird's adaptive filter learns to identify junk mail ("spam").
Password Manager - Remember, delete and edit logins and passwords in Firefox
Firefox's password management feature securely stores your usernames and passwords. Learn how to save, view, manage and protect your logins.
Avoid and report Mozilla tech support scams
Mozilla does not provide telephone support and does not charge for software downloads, upgrades or technical help. Learn more.
How to troubleshoot time related errors on secure websites
Learn why you might see time-related errors on HTTPS websites and how you can troubleshoot these errors by correcting your system clock.
Third-party trackers
Learn about cross-site (third-party) cookies that collect information to track your browsing, which are used on many websites.
How to install Firefox on Windows
This article describes how to download and install Firefox on Windows.
Website will not allow Firefox to display the page if another site has embedded it
This page explains the error: "Website will not allow Firefox to display the page if another site has embedded it"