What generation of Philips Hue Bridge do I have?

If you might want to know what generation (2012 or 2015) of the Philips Hue bridge you have, you should read this post. It easy to see which generation you have

Philips Hue Bridge, 2nd Gen

Philips Hue Smart Bridge (2nd Generation)

New Philips Hue smart bulbs don't need the Hue Bridge—but there's a catch

Got a first-gen Philips Hue bridge? Here are some hubless tunable bulb options - Stacey on IoT

Philips Hue Bridge Explainer Q&A

Can You Connect a Hue Bridge to Wi-Fi?

Philips Hue White and Color 9W E26 Starter kit (2nd Gen)

Philips Hue Bridge - 2nd Gen - Smartify Business Portal (B2B)

Philips' first-gen Hue Bridge to stop getting updates after April 30

First generation Hue Bridge now discontinued