- Add your domain to the field on https://internet.nl/ and look through the resulting data.
Some relevant links to deal with … less than perfect results from that page:
- Another site to test your site is: https://securityheaders.io/
If you get a warning regarding a missing header “Content-Security-Policy”, you can fix that using this WordPress plugin: link
- A third site is: https://report-uri.com/home/analyse/