No best practices, but why still being blacklisted?

See report : http://sitesec.co/radiotoppersteam.nl
15 spammy looking links and various iFrame code: http://isithacked.com/check/http%3A%2F%2Fwww.radiotoppersteam.nl
Not flagged: https://www.virustotal.com/nl/url/285378c461cdb450fdca2e2f86b46b88d2a8329fecfaf7a40c392223987e8629/analysis/
and https://quttera.com/detailed_report/www.radiotoppersteam.nl
blacklisted: https://sitecheck.sucuri.net/results/www.radiotoppersteam.nl
F-F-A-A+ F-F-X status: https://observatory.mozilla.org/analyze.html?host=www.radiotoppersteam.nl
2 vuln. libarries: http://retire.insecurity.today/#!/scan/d1fd03c4f235ac3b9c066981512a765930882be47e90255719f54a0cce1a9160
B-status: https://sritest.io/#report/69140b50-7201-49a2-bd5e-a003f073e768

polonus (volunteer website security analyst and website error-hunter)