Site really slow since installing 3.8 (tried almost everything!)

Hi,

I’ve been having major speed issues on my site since installing “Parker”. Basically the site was taking around 11 seconds to load a page. My host looked into this thoroughly and after being unable to find the root of the issue agreed to move my site to a new datacentre and onto a new database service etc.

After this – the load time increased a little but not by much at all. I tried reinstalling wordpress and it fixes the site for a short period of time – literally like 6-8 hours – and then it starts to slow again until I reinstall 3.8 once more.

I’ve tried switching off all plugins, running with default theme etc etc but nothing seems to speed the site up at all apart from reinstalling wordpress. I considered rolling back to 3.7 but figured I’d get a forced update at some point?

Anyone else having similar issues or know why this would be happening? The site is at https://www.phuturelabs.com