Why Do Some Websites Have a Black Box Around My Logo?

https://oscar-wiki.win/index.php/Can_I_Use_a_GIF_for_a_Transparent_Logo%3F_Understanding_GIF_vs_PNG_Transparency

PNG Transparency Issue Black: What Causes Logos to Show a Black Background? As of January 3, 2026, nearly 37% of small business owners report issues where their logos unexpectedly display a black box on websites or social media posts