{"editorial_visual":"https://favicon.now/static/images/editorial/guides/favicon-cache-headers.webp","implementation_artifact":null,"published":"2026-07-31","section_headings":["Prove the origin response first","Choose a caching policy","Change a favicon without fragmenting identity","Diagnose query-string versions"],"sources":[{"label":"MDN HTTP caching","url":"https://developer.mozilla.org/en-US/docs/Web/HTTP/Caching"},{"label":"Google favicon guidance","url":"https://developers.google.com/search/docs/appearance/favicon-in-search"}],"title":"Favicon Cache Headers, Versioning and Rebrands","updated":"2026-07-31","url":"https://favicon.now/guides/favicon-cache-headers"}