So, check this little idea that I have - I want to browse the internet without all sorts of unscrupulous actors collecting every little bit of metadata on me and my family they can possibly get their hands on.
https://den.dev/blog/pihole has a security policy called HTTP Strict Transport Security (HSTS), which means that Firefox can only connect to it securely. You can’t add an exception to visit this site.
Getting an error trying to access this:
Perhaps it’s blocked for you.