Privacy policy
Effective from 11 November 2026. The site has no user accounts. We use cookies only to measure advertising and only with your consent; otherwise we process only the data needed for purchases and for running the site.
This English translation is provided for convenience only. The Czech version of this privacy policy is the only binding one.
1. Controller
The controller of personal data is Vojtěch Stehlík, IČO 23003049, se sídlem Suchý vršek 2125/27, Stodůlky, 158 00 Praha 5, fyzická osoba zapsaná v živnostenském rejstříku, e-mail kontakt@czechdatasets.com.
2. Purchase
When you buy, we process your e-mail address, your name or company name, your billing address and your VAT number, if you enter them. The payment is processed by Stripe; we do not see or store card details. We need the data to deliver the files and issue the invoice (performance of a contract and a legal obligation) and we keep it for the period set by accounting and tax regulations.
3. Downloads
Files are downloaded from Cloudflare R2 storage, which processes your IP address during the download. We record only which dataset and file a download started for and what kind of program requested it, with no link to a person.
4. Analytics
We measure traffic with our own installation of Umami on a server in the EU. It uses no cookies, does not store IP addresses and builds no profiles; the IP address is used only to determine an approximate location (country, region and city). We also record where on the page visitors click and how far they scroll (click coordinates and scroll depth), again without cookies and without profiles. We rely on our legitimate interest in running and improving the site.
5. Server logs
The server keeps logs of requests (time, page address, IP address, browser type) for security and troubleshooting. We delete them after 3 months at the latest; in server backups they may remain for up to 6 more months.
6. Your browser
In your browser we store only your appearance setting, whether animations are paused and your choice about cookies (localStorage). Cookies are stored only with your consent, see the next article.
7. Cookies and ad measurement
We use cookies only to measure advertising, and only if you allow it in the banner that asks you. Without consent, no Meta or Google script is loaded and no cookie is stored. If you consent, the Meta Pixel (Meta Platforms Ireland) and the Google Analytics and Google Ads tags (Google Ireland) are loaded. They store the cookies _fbp and _fbc (Meta, 3 months), _ga (Google Analytics, up to 2 years) and _gcl_au (Google Ads, 3 months) and receive the page address, your IP address, browser details, the cookie identifier and events: page and dataset views, starting a purchase and a purchase with its price. We do not pass them your e-mail or name. This tells us which ads lead to purchases and lets us target advertising at visitors of the site. Meta and Google also process the data for their own purposes and may transfer it to the USA under the EU-US Data Privacy Framework. Consent is valid for 12 months and you can change it at any time with the Cookie settings link in the footer; when you withdraw it, measurement stops and we delete the cookies.
8. E-mail
When you write to us, we use your message and address only to handle your enquiry.
9. Who receives the data
Stripe (payments and invoices), Cloudflare (data storage), Hetzner (server in the EU) and Namecheap (e-mail forwarding). If you allow cookies, also Meta Platforms Ireland and Google Ireland (ad measurement). Stripe, Cloudflare, Meta and Google may also process data outside the EU on the basis of standard contractual clauses or the EU-US Data Privacy Framework.
10. Your rights
You have the right of access to your data, to rectification, erasure, restriction of processing and data portability, and the right to object. Write to kontakt@czechdatasets.com. You can lodge a complaint with the Czech Office for Personal Data Protection (uoou.gov.cz).