I got 0.9 on Chrome, logged into google. I also got 0.9 on Firefox, not logged into google. In incognito mode in chrome, I sometimes get 0.9 and sometimes 0.7

I got 0.9 on Chrome, logged into google. I also got 0.9 on Firefox, not logged into google. In incognito mode in chrome, I sometimes get 0.9 and sometimes 0.7 when I reload.