What Is a Favicon and Does It Need to Be Transparent?

https://www.bookmarking-jet.win/how-do-ai-background-removers-work-exploring-automatic-background-removal-for-logos

Create Transparent Favicon Images: Why It Matters in 2026 As of January 3, 2026, about 68% of websites surveyed still use favicons with opaque backgrounds, resulting in a less polished look on browser tabs and bookmarks