{"editorial_visual":"https://favicon.now/static/images/editorial/guides/firefox-favicon.webp","implementation_artifact":null,"published":"2026-07-31","section_headings":["Declare interoperable icon candidates","Test tabs and saved surfaces separately","Separate deployment errors from cache state"],"sources":[{"label":"MDN rel=icon reference","url":"https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Attributes/rel#icon"},{"label":"Mozilla: clear Firefox cache","url":"https://support.mozilla.org/en-US/kb/how-clear-firefox-cache"}],"title":"Favicons in Firefox: Tabs, Bookmarks, SVG, and Cache Testing","updated":"2026-07-31","url":"https://favicon.now/guides/firefox-favicon"}