CT logs are just, well, logs. They don't do anything to protect you from having your traffic intercepted via maliciously issued certificate. You might learn later (if somebody bothers to check) that it occurred but at that point the damage is already done.
> HSTS
This just says the connection should only be established via HTTPS, nothing more.
> Cert Pinning
Cert pinning has been removed both from Chromium and Firefox.
https://chromestatus.com/feature/5903385005916160
https://developer.mozilla.org/en-US/docs/Mozilla/Firefox/Rel...