Cookie policy

Last updated: 20 October 2026

This page explains which cookies previosa.cz uses and how you can control them. PREVIOSA, a.s., Přádova 2092/12, 182 00 Praha 8, IČO 28214587, is responsible for the cookies set by this website. For more on how we handle personal data, see our Privacy policy.

1. What cookies are

Cookies are small text files that a website stores in your browser. Some are needed for the site to work. Others help us see how the site is used or measure our advertising. Similar technologies, such as pixels and local storage, are covered by this policy too, and we call them all cookies here.

2. How we ask for your consent

Under Section 89(3) of Czech Act No. 127/2005 Coll., on electronic communications, and the GDPR, we only use cookies that are not strictly necessary after you agree to them. When you first visit the site, a cookie banner lets you accept all cookies, reject them or choose by category. Until you make a choice, only necessary cookies are used.

You can change or withdraw your consent at any time through the cookie settings on this website or by deleting cookies in your browser.

3. Cookies we use

Necessary cookies

These make the website work and remember your cookie choice so the banner does not appear on every visit. They do not require consent and you cannot switch them off on this site, although you can block them in your browser.

Advertising cookies (Google Ads)

We advertise with Google Ads. With your consent, Google sets cookies that tell us when someone who clicked one of our ads sends an enquiry, and that help Google decide which ads to show. The provider is Google Ireland Limited, Gordon House, Barrow Street, Dublin 4, Ireland.

_gcl_au: set by Google on previosa.cz to link ad clicks with conversions on our website. Expires after 90 days.
_gcl_aw: set by Google on previosa.cz to store information about the ad click that brought you to the site. Expires after 90 days.
_gcl_dc: set by Google on previosa.cz to store information about ad clicks from Google’s advertising network. Expires after 90 days.
IDE: set by Google on doubleclick.net to measure ads and show relevant ads across websites. Expires after 13 months.
test_cookie: set by Google on doubleclick.net to check whether your browser accepts cookies. Expires after 15 minutes.

The exact names and lifetimes can change when Google updates its services.

4. Google Consent Mode

We use Google Consent Mode, which tells Google tags whether you have given consent. If you reject advertising cookies, Google tags do not store cookies in your browser. They may still send Google basic information without cookies, such as the fact that the page was visited and your consent choice, which Google uses to estimate the results of our campaigns in aggregate.

You can read how Google uses data from websites in its privacy policy and on How Google uses information from sites that use its services. You can manage ad personalisation in My Ad Center.

5. Managing cookies in your browser

Most browsers let you view, block and delete cookies in their settings. If you block all cookies, some parts of the website may not work as intended. Deleting cookies also deletes your cookie choice, so the banner will appear again on your next visit.

6. Contact

If you have questions about cookies on this website, write to info@previosa.cz.

7. Changes to this policy

We will update this page when we add or remove cookies or when the law changes. The date of the last update is shown at the top.