If you are the type of person that dislikes those little site specific icons, then this tip is for you. Favicons can be disabled completely in Firefox with a simple config change.
如果您是不喜欢这些特定于站点的小图标的人，那么此技巧适合您。 您可以通过简单的配置更改在Firefox中完全禁用Favicon。
Just type about:config into the address bar, and then filter by browser.chrome. You should see something similar to this:
只需在地址栏中输入about：config ，然后按browser.chrome进行过滤即可。 您应该看到类似以下内容：
Set the value of these two preferences to false by double-clicking on them.
通过双击将这两个首选项的值设置为false。
browser.chrome.favicons
browser.chrome.favicons
browser.chrome.site_icons
browser.chrome.site_icons
You’ll have to restart Firefox, but the favicons will be gone entirely.
您必须重新启动Firefox，但是这些图标将完全消失。
Personally, I love favicons, but this article was a request.
就个人而言，我喜欢网站图标，但本文是一个要求。
翻译自: https://www.howtogeek.com/howto/internet/firefox/quick-tip-disable-favicons-in-firefox/