ha ha so even for https, from win10 with firefox 93.0 (64 bits):
https://slackermedia.info/handbook/doku.php?id=pre"Warning: Potential Security Risk Ahead
Firefox detected a potential security threat and did not continue to slackermedia.info. If you visit this site, attackers could try to steal information like your passwords, emails, or credit card details."
PS: how nice from firefox to take care, even not solicited. Long live the not-understanding complexity.