Joomla 3.5.1?

Hi,

Thanks for contacting us here about this extension.

Does the Speed Cache extension support Joomla 3.5.1?

Our Speed cache now supports Joomla 3.7+, it could not work perfectly with J 3.5.1.
For more information: https://www.joomunited.com/products/speed-cache#prices

Hope it helps!
Cheers,