Actually, the top one is the logo of the chromium browser engine, but the bottom one is not the logo of the Gecko browser engine. That's the logo of SpiderMonkey, Firefox's Javascript engine (Chromium uses V8).
This is the logo for Gecko:
*removed externally hosted image*
Actually, the top one is the logo of the chromium browser engine, but the bottom one is not the logo of the Gecko browser engine. That's the logo of SpiderMonkey, Firefox's Javascript engine (Chromium uses V8).
This is the logo for Gecko: *removed externally hosted image*
Firefox doesn't even use Gecko anymore, it uses Quantum. I think it still uses spidermonkey though.