Crawler site
wget -m -p -k -np -R '*html*,*htm*,*asp*,*php*,*css*' -X 'www' https://khalifagroup.ma/odoo-server/ --no-check-certificate
Best
lftp -c 'mirror --parallel=100 https://example.com/files/ ;exit'
set ssl:verify-certificate false
in ~/.lftprc
References
[1] https://www.m00nie.com/specifically-disable-cert-verification-lftp
https://khalifagroup.ma/odoo-server/enterprise