Last reviewed: July 26, 2026
Information this site does not request
This site has no public account registration, comments, newsletter form, checkout, or on-site contact form. The interactive tools do not ask for a name, email address, password, or payment information. Tool selections are processed in the browser and are not intentionally transmitted to this website.
Ordinary server logs
The web server and hosting providers may create technical logs when a page or file is requested. Logs can include an IP address, date and time, requested address, response status, referring page, browser or device information, and security-related events. They may be used to operate, secure, diagnose, and maintain the service.
Google AdSense
This site may use Google AdSense to display advertising. Google and its partners may use cookies, local storage, IP addresses, user-agent information, advertising identifiers, or similar technologies to deliver, limit, measure, personalize, or report advertising, subject to applicable choices and law.
The AdSense publisher identifier for this site is ca-pub-2002353550469440. Advertising technology may connect a visit on this site with information held by Google or participating advertising partners. Learn about Google's use of information on sites and apps that use its services through Google's partner-sites information.
Consent messages and choices
Where required, a Google-certified consent management platform may present choices about advertising cookies and personal data processing, including for visitors in the European Economic Area, the United Kingdom, and Switzerland. The choices shown depend on location, browser, available partners, and the configuration active when the page is viewed.
Advertising preferences may also be reviewed through Google My Ad Center. Browser controls can block or delete cookies, although doing so may affect website or advertising functions.
External links
Guides link to vendor, government, standards, and other external websites. Their privacy practices apply after a visitor leaves this site. A link does not give this site control over the external service.
Help desk contact
When a reader chooses to use the external WRS help desk, information submitted there is handled through that service and its operational systems. Do not submit sensitive personal information that is unnecessary for the request.
Data retention
This static publication does not maintain a reader-account database. Technical logs and help desk records may be retained according to operational, security, legal, and business needs. Advertising providers apply their own retention practices.
Children
The site provides general educational material but is not designed to collect personal information from children. Parents and guardians should supervise online account creation, advertising choices, external links, and information sharing.
Changes
This policy may be updated when the site's features, advertising configuration, providers, or legal obligations change. The review date at the top will be revised for material updates.
Privacy questions
Use the contact page for a privacy question related to this publication. Do not include passwords or other sensitive credentials.