Some websites don't load, some load partially

[Mcat12]

Have you seen this FAQ?

Why do some sites take forever to load when using Pi-hole? (for versions < v4.0)

Update: 2018-08-06 As of v4.0, this should no longer be a problem unless you choose to deviate from the new default blocking mode and return to the IP-based mode. And the iptables rules mentioned in this article should not be needed. Update As of v3.1 the first reason should not be an issue anymore That being said, there are generally two reasons this happens: your ISP changes your IPv6 address (Global Unicast Address), causing Pi-hole to become misconfigured and timing out when trying…

You also have some errors in your dnsmasq log:

   Mar 24 16:44:55 dnsmasq[13901]: failed to load names from /etc/pihole/local.list: No such file or directory
   Mar 24 16:44:55 dnsmasq[13901]: failed to load names from /etc/pihole/gravity.list: No such file or directory

What is the output of pihole -g