The twitch emote FrankerZ is copyright of twitch, and can’t be used.
Delay is not about specifically a delay in each frame, its how the emote looks with the changes in frames. Smoother frame transitions at 2ms will still look better than jumpy 4ms delay
The emote you linked was from before the rule was put in place, and so was grandfathered in.
I didn’t know that submitting frankerfacez emotes wasn’t allowed, my bad on that part.
However, about the emote looks, the jumpy cuts are intended since it’s supposed to be a “triggered” emote such at those 2 already available on BTTV: