Privacy Policy
Last updated: October 5, 2026.
The short version
You can read Cystay without creating an account or giving us any personal information. We do not sell personal information.
Information collected automatically
Like most websites, our hosting and security provider (Cloudflare) processes technical information such as your IP address, browser type and the pages you request, in order to deliver the site, protect it from abuse and produce aggregate traffic statistics.
We remember your text-size choice in your own browser (local storage). It never leaves your device.
Advertising and cookies
Cystay is supported by ads served by Google. Google and its partners may use cookies or similar technologies to show ads based on your visits to this and other websites. You can learn how Google uses information from sites that use its services at policies.google.com/technologies/partner-sites, and you can turn off personalized advertising at Google Ads Settings or opt out of many third-party vendors at aboutads.info.
If you email us, we use your message and address only to reply and to improve the site. We do not add you to any mailing list.
Children
Cystay is written for adults and is not directed to children under 13.
Your choices and rights
You can block or delete cookies in your browser settings. Depending on your state of residence, you may have rights to request access to or deletion of personal information; contact us and we will respond.
Changes
We will update this page if our practices change and revise the date above.
Questions? Contact us.