Guides
Practical guides on designing, sizing and shipping favicons and website icons — written to go along with
X-Icon Editor.
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Design tips, common mistakes, and a walkthrough of building, exporting and installing your favicon.
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Which icon size you actually need for browser tabs, mobile home screens, PWAs and more.
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What each format is actually for, and why most sites need more than one at the same time.
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Why browsers cache favicons so aggressively, and the fixes that actually work — in order.
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Google's actual technical requirements for a favicon to show in search results, and what it doesn't do for rankings.
Guides updated September 2026