Ceyltech Cookie Policy

Last updated: October 2026

This Cookie Policy explains how Ceyltech ("we", "us", "our") uses cookies and similar technologies (such as local storage) when you visit our website and use our application (the "Service").

If you have questions, contact us at contact@ceyltech.com.

1. What are cookies?

Cookies are small text files stored on your device (computer, phone, tablet) when you visit a website. Cookies are commonly used to make websites work properly, improve security, and remember your session (for example, to keep you logged in).

2. What are "similar technologies"?

In addition to cookies, browsers also provide other storage mechanisms such as local storage (sometimes called "browser storage"). Local storage can store application settings so the Service works smoothly (for example, remembering your light or dark theme and your check settings).

3. How we use cookies and similar technologies

We use strictly necessary cookies and similar technologies required to operate the Service securely and reliably (for example, login/session management and basic application functionality).

With your consent, we also use analytics technologies (Google Analytics (GA4)) to understand how our website and Service are used (for example, which pages are visited and how long pages take to load) so we can improve performance and user experience.

Analytics cookies are set only after you press Accept in the cookie banner. Until then, and if you press Decline, Google Analytics is not loaded at all. In the application (the checker, the Dashboard and Settings), analytics counts page visits only. See section 4.2 to change your choice.

We do not use cookies for:

If we introduce additional categories of cookies (for example, marketing cookies) in the future, we will update this policy and, where required by law, provide an appropriate cookie consent choice.

4. Strictly necessary cookies

Strictly necessary cookies are essential for the Service to function and cannot be switched off in our systems. They are typically set in response to actions you take, such as logging in or navigating within the application.

Note: Cookie names and durations may vary slightly depending on your environment (for example, local development vs. production). The purpose remains the same: essential login/session and security functionality.

4.1 Analytics cookies (Google Analytics)

Only if you press Accept in the cookie banner, Google Analytics sets these cookies to help us understand usage and improve the Service:

We have switched off Google's advertising features (Google signals and ad personalisation), so the analytics data is not used for advertising. Google Analytics is provided by Google Ireland Limited. How Google uses this information: policies.google.com/technologies/partner-sites.

4.2 Your choice

The first time you visit, a small banner asks whether we may use analytics. Accept and Decline are equally easy, and nothing is chosen in advance. Your choice is stored in your browser (local storage, see section 5), so the banner does not ask again on every page.

You can change your mind at any time. If you decline after accepting, the Google Analytics cookies are removed.

5. Local storage (browser storage)

Our application uses local storage to remember certain application preferences so the user experience remains consistent (for example: your light or dark theme, your check settings, your highlight colours and which checks you have switched on). These entries are created by our own application. Our PDF viewer does not store anything in your browser.

These items are not used for advertising or cross-site tracking.

Examples of local storage keys you may see include:

What it stores: application settings (UI preferences)

Retention: remains until you clear site data in your browser

How to remove: see Section 7 below

6. Third-party services

Some parts of our Service rely on trusted third-party providers to function. Depending on your use of the Service, these providers may set cookies on their own domains (not ours) as part of providing authentication and security.

We do not use third-party services on our site for advertising or marketing tracking.

7. How to manage or delete cookies and local storage

You can control and delete cookies and local storage through your browser settings. Note that blocking or deleting strictly necessary cookies may prevent you from logging in or using parts of the Service.

Google Chrome:

Settings → Privacy and security → Cookies and other site data → See all site data and permissions

Microsoft Edge:

Settings → Cookies and site permissions → Manage and delete cookies and site data

Safari (macOS):

Settings → Privacy → Manage Website Data

8. Changes to this Cookie Policy

We may update this Cookie Policy from time to time. When we do, we will update the "Last updated" date at the top of this page.

9. Contact us

If you have questions about our use of cookies and similar technologies, contact us at:

contact@ceyltech.com

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