freshbsd.org has no HTTPSEverywhere rule
http://freshbsd.org/ has a secure, HTTPS site at https://secure.freshbsd.org/
URLs work fine when changed to use the secure site. e.g. http://freshbsd.org/search?project=openbsd&q=file.name:libssl into https://secure.freshbsd.org/search?project=openbsd&q=file.name:libssl
I'm using this site to track commits for LibreSSL, the OpenSSL fork.