Re: https://urlscan.io/result/1dba78ca-b807-4c67-8a46-8c8aac39f956/
See issues: WordPress Version
5.3.6
Version does not appear to be latest
User Enumeration
The first two user ID’s were tested to determine if user enumeration is possible.
Username Name
ID: 1 nightmare nightmare
ID: 2 not found
It is recommended to rename the admin user account to reduce the chance of brute force attacks occurring. As this will reduce the chance of automated password attackers gaining access. Take note that if the author archives are enabled it is usually possible to enumerate all users within a WordPress installation.
https://sitecheck.sucuri.net/results/www.nightmarefactory.com
After 25 years website owners now retiring - sad sign of the times, sad for Austin, Texas. 
Seems both front end and back end discontinued, only still as google-user-content.
polonus (volunteer 3rd party cold recon website security analyst and website error-hunter)