Thank you for your great plugin.
With Zenmate and Hola - VPN, we think we are safe ...
But if you start Firefox with many Tabs - 10, 20, etc
And monitor. the links with a sniffer ( tcpdump )... all the Tabs download FavIcons .


The ISP ... routers ... switchs see my Tabs ...
1 - uBlock Origin /favicon.$image in "My Filters" work



2 - < userProfile>/chrome/userChrome.css :
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@namespace url("http://www.mozilla.org/keymaster/gateke ... s.only.xul"); /* only needed once */
.tabbrowser-tab .tab-icon-image,
.tabbrowser-tab .tab-throbber { display:none!important; }
#personal-bookmarks .toolbarbutton-icon { display:none!important; }
/* tab */ .tabbrowser-tab .tab-icon-image,
/* bookmarks toolbar */ .bookmark-item .toolbarbutton-icon,
/* bookmarks menu */ #bookmarksMenu menuitem .menu-iconic-icon,
/* address bar autocomplete */ #PopupAutoCompleteRichResult .ac-site-icon {
display: none !important; }
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some favicon pass the filter!!!
3 - In NoScript use ABE or other ?
Best Regards,
Ruy