Cookies Policy
Prostay Cookies Policy
Last updated: February 18, 2026
This Cookies Policy explains how Prostay Limited ("Prostay", "we", "us", "our") uses cookies and similar technologies on our websites and online services (the "Website").
Company details: Prostay Limited, Suite C, Level 7, World Trust Tower, 50 Stanley St, Central, Hong Kong.
For information about how we process personal information more broadly, please see our Privacy Policy.
1. What Cookies Are
Cookies are small text files stored on your device (computer, tablet, or mobile) when you visit a website. Cookies help websites remember information about your visit—such as your preferences and device settings—so the website can function properly and improve your experience.
We also use similar technologies that operate like cookies, including pixels, tags, SDKs, local storage, and scripts (together with cookies, "Cookies" in this policy), which allow us to understand website usage, measure marketing performance, and improve the Website.
Cookies may be session cookies (deleted when you close your browser) or persistent cookies (stored for a set period or until you delete them).
2. How We Use Cookies
We use Cookies for the following purposes:
- Strictly Necessary Cookies – required for core functionality, security, fraud prevention, and to provide the Website features you request.
- Functional Cookies – help remember preferences (such as language) and improve the user experience.
- Analytics Cookies – help us understand how visitors use the Website, measure performance, and diagnose issues.
- Advertising Cookies – help measure the effectiveness of marketing campaigns and understand actions taken on our Website after interacting with ads.
Where required by law, we ask for your consent before placing non-essential Cookies (such as Analytics and Advertising Cookies). You can change your preferences at any time as described in Section 5.
3. Cookies and Technologies We Use
The specific Cookies used may change over time as we improve the Website and our tooling. The table below lists the main categories and common examples.
| Category | Provider | Examples (common identifiers) | Purpose | Typical duration |
|---|---|---|---|---|
| Strictly Necessary | Prostay | Session identifiers, security tokens | Enable core features, security, and fraud prevention. | Session to short-term |
| Functional | Prostay | Language / preference cookies | Remember preferences such as language and basic settings. | Up to 12 months |
| Analytics | Google Analytics 4 (GA4) | _ga, _ga_* | Website analytics and performance measurement. | Up to ~24 months |
| Analytics (Session Replay) | Microsoft Clarity | _clck, _clsk | Usability analytics, heatmaps, and session replay to improve Website experience. | ~1 day to ~12 months |
| Advertising | Meta Pixel | _fbp (and related identifiers) | Measure ad performance and actions taken on the Website after interacting with ads. | Typically ~3 months |
| Advertising | LinkedIn Insight Tag | li_fat_id (and related identifiers) | Measure campaign performance and Website interactions associated with LinkedIn ads. | Typically ~30 days |
Some providers may also collect information through pixels/tags that do not rely on traditional cookies, or may use device identifiers and similar technologies. The typical duration may vary based on the provider's configuration, your browser settings, and the country you are in.
4. Third-Party Analytics, Advertising, and Session Replay
4.1 Google Analytics 4 (GA4)
We use Google Analytics 4 to understand Website traffic and usage patterns (for example, pages visited, referral sources, and interactions) and to improve the Website. Google may process information collected via GA4 in accordance with its own policies.
4.2 Microsoft Clarity
We use Microsoft Clarity to analyze how users interact with our Website using behavioral metrics, session replay, and heatmaps. Clarity may collect interaction data such as page navigation, mouse movements, clicks, scrolling, device information, and error events. We configure Clarity to reduce collection of sensitive data and to mask or exclude certain inputs where possible.
4.3 Meta Pixel
We use the Meta Pixel to measure the effectiveness of advertising and to understand actions people take on our Website after seeing or interacting with our ads. Meta may process information collected via the Pixel in accordance with its own policies.
4.4 LinkedIn Insight Tag
We use the LinkedIn Insight Tag to measure campaign performance and understand Website interactions associated with LinkedIn ads. LinkedIn may process information collected via the Insight Tag in accordance with its own policies.
5. Your Choices and Controls
5.1 Cookie consent and preferences
Where required by law, we use a cookie consent mechanism that allows you to accept or reject non-essential Cookies (such as Analytics and Advertising Cookies). If you change your mind later, you can update your preferences by using the cookie preferences controls on the Website and/or by clearing cookies in your browser.
5.2 Browser controls
Most browsers allow you to delete or block Cookies and to control how Cookies are stored. If you choose to block Cookies, parts of the Website may not function properly. Refer to your browser's help documentation for instructions.
5.3 Opt-out tools (third-party)
In addition to cookie preference controls, you may have options to limit collection and targeted advertising through third-party tools and settings:
- Google Analytics opt-out: Google Analytics Opt-out Browser Add-on
- Meta advertising preferences: Meta Ad Preferences
- LinkedIn advertising settings: LinkedIn Ads Settings
- Microsoft Clarity information: Microsoft Clarity Privacy and Microsoft Clarity Terms
- Industry opt-out (US): Digital Advertising Alliance
- Industry opt-out (EU): Your Online Choices
5.4 "Do Not Sell or Share" (California)
Some privacy laws treat certain advertising-related disclosures as "sharing" for cross-context behavioral advertising. If you are in California and want to opt out of such sharing, you can use our cookie preference controls and any "Do Not Sell or Share My Personal Information" option we provide on the Website.
5.5 Do Not Track
Some browsers offer a "Do Not Track" ("DNT") setting. There is no industry-standard approach to responding to DNT signals, and our Website may not respond to DNT.
6. Updates to This Cookies Policy
We may update this Cookies Policy from time to time. We will post the updated policy on this page and update the "Last updated" date. If changes are material, we may provide additional notice on the Website.
7. Contact
If you have questions about this Cookies Policy, contact us at office@prostay.com.