---
title: Cookie Policy

lang: en
effectiveDate: 2026-06-05
lastUpdated: 2026-06-05
version: 1.0
created: 2026-05-31
created_via: auto-fix
---

# Cookie Policy

**Company:** 5ac.vn  
**Email:** legal@5ac.vn  
**Phone:** 0395868868  
**Effective Date:** 05/06/2026

---

## 1. What Are Cookies

Cookies are small text files stored on your device (computer, tablet, mobile phone) when you visit a website. Cookies allow the website to remember your actions and preferences (such as login information, language, font size, and other display preferences) over a period of time, so you do not have to re-enter them each time you return to the site or browse from one page to another.

Cookies may be set by us (first-party cookies) or by third parties with whom we partner (third-party cookies).

## 2. Types of Cookies We Use

### 2.1 Functional Cookies

These cookies are essential for the basic operation of the website and our AI Agent system. They include:

| Type | Provider | Description |
|------|----------|-------------|
| Session Cookies | 5ac.vn | Maintains your login session and interaction state with the AI Agent during your visit. Automatically deleted when you close your browser. |
| Cloudflare | Cloudflare, Inc. | Ensures security, DDoS protection, and page load speed optimization. |

### 2.2 Analytics Cookies

We use Google Analytics 4 (GA4) to understand how users interact with the website.

| Cookie | Provider | Purpose |
|--------|----------|---------|
| `_ga`, `_ga_<container-id>` | Google LLC | Measures visit counts, browsing behavior, and AI Agent performance. Data is anonymized. |

### 2.3 Marketing Cookies

We use Facebook Pixel to measure advertising effectiveness and display relevant content.

| Cookie | Provider | Purpose |
|--------|----------|---------|
| `_fbp`, `fr` | Meta Platforms, Inc. | Tracks advertising conversions, builds retargeting audiences. |

## 3. Purposes of Use

We use cookies for the following purposes:

- **Operation:** Maintaining login sessions, ensuring security and stable operation of the AI Agent platform.
- **Personalization:** Remembering your language preferences and interaction settings.
- **Analytics:** Collecting anonymized statistical data to improve service quality and user experience.
- **Marketing:** Measuring advertising campaign effectiveness and displaying relevant advertising content.

## 4. Third-Party Cookies

Some cookies on our website are set by third parties with whom we partner:

| Third Party | Purpose | Privacy Policy |
|-------------|---------|----------------|
| **Cloudflare, Inc.** | Security, CDN, performance optimization | [https://www.cloudflare.com/privacypolicy/](https://www.cloudflare.com/privacypolicy/) |
| **Google LLC (GA4)** | User behavior analytics | [https://policies.google.com/privacy](https://policies.google.com/privacy) |
| **Meta Platforms, Inc.** | Marketing and advertising | [https://www.facebook.com/privacy/policy](https://www.facebook.com/privacy/policy) |

We do not control how these third parties use their cookies. Please refer to their privacy policies for more details.

## 5. Cookie Retention Period

| Cookie Type | Retention Period |
|-------------|------------------|
| **Session Cookies** | Until you close your browser |
| **Functional Cookies (Cloudflare)** | Up to 30 days |
| **Analytics Cookies (GA4)** | Up to 2 years (`_ga`) |
| **Marketing Cookies (Facebook Pixel)** | Up to 90 days (`_fbp`) |

Persistent cookies remain on your device after you close your browser and are reactivated when you revisit the website. The specific retention period depends on the individual cookie type and your browser settings.

## 6. Managing Cookies

You can control and manage cookies in the following ways:

### 6.1 Browser Settings

Most browsers allow you to:

- View stored cookies
- Delete individual cookies or all cookies
- Block cookies from certain websites
- Block all third-party cookies
- Enable private browsing mode (does not save session cookies)

Specific instructions by browser:

- **Google Chrome:** Settings → Privacy and security → Cookies and site data
- **Mozilla Firefox:** Options → Privacy & Security → Cookies and Site Data
- **Apple Safari:** Preferences → Privacy → Block cookies
- **Microsoft Edge:** Settings → Cookies and site permissions → Cookies and site data

### 6.2 Opt-Out Tools

- **Google Analytics:** Install the [Google opt-out browser add-on](https://tools.google.com/dlpage/gaoptout)
- **Facebook:** Adjust ad settings at [https://www.facebook.com/adpreferences](https://www.facebook.com/adpreferences)

### 6.3 Cookie Consent Banner

When you first visit the website, you will see a cookie banner allowing you to choose which cookies are enabled. You can change this selection at any time.

**Note:** Disabling functional cookies may affect your experience, and some features of the AI Agent may not function fully.

## 7. Contact

If you have any questions about this Cookie Policy, please contact us:

- **Email:** legal@5ac.vn
- **Phone:** 0395868868
- **Website:** 5ac.vn
- **Address:** 5AC LLC, Vietnam

We will respond at the earliest possible time (typically within 7 business days).

---

*This Cookie Policy is effective as of 05/06/2026 and was last updated on 05/06/2026 (Version 1.0).*