No.

• Does Maggew.com use FlyingPress?
• Does Maggew.com recommend FlyingPress over Flying Pages?

Yes.

• Can I have Permatters installed and activated alongside FlyingPress?
• Can I have FlyingPress installed and activated alongside Permatters ?
• Can I use both FlyingPress and Perfmatters safely at the same time?
• Is my website safe if I activate both Perfmatters and FlyingPress plugins?

Perfmatters

I think Perfmatters is worth it, it addresses many optimizations most cache plugins don’t. My favorite feature is the script manager because I can selectively disable plugins from loading on specific pages or posts.

• https://perfmatters.io/docs/changelog/

FlyingPress

It goes way beyond removing unused CSS/JS and has many features which can help with different parts of speed optimization/web vitals.

• https://flying-press.com/changelog/