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Continue to ChatQuery : Why is my favicon broken in Firefox? My new favicon works in Safari and Chrome, but it's weirdly split in Firefox on Mac or Windows: However, if you navigate to the favicon itself it appears https://vmapp.org/query/84526/Why-Is-My-Favicon-Broken-In-Firefox-My-New-Favicon-Works-In-Safari-And-Chrome-But-It-S-Weirdly-Split-In-Firefox-On-Mac-Or-Windows-However-If-You-Navigate-To-The-Favicon-Itself-It-Appears/