Legal
Cookie Policy
This page explains how Tessera uses cookies on its website, what each category is for, and how you can manage your preferences. You can update your choices at any time using the controls below.
Last updated: 14 April 2025
1. What Are Cookies
Cookies are small text files placed on your device when you visit a website. They are widely used to make websites function correctly, to improve the user experience, and to provide information to website operators.
Cookies do not typically identify you personally. They identify your browser or device. You can control or delete cookies using your browser settings — instructions are provided in the section below.
2. Cookies We Use
Essential cookies
Always active
Required for the website to function. They enable core features such as consent preference storage and security. These cannot be disabled.
| Cookie | Purpose | Duration |
|---|---|---|
| cookieConsent | Stores your cookie preferences | 1 year |
| PHPSESSID | Session identification | Session |
Analytics cookies
Optional
Help us understand how visitors use the website — which pages are visited most, where visitors come from, and how long they spend on the site. Data is collected in aggregate and is not linked to individual identities.
| Cookie | Purpose | Duration |
|---|---|---|
| _ga | Google Analytics: distinguishes users | 2 years |
| _ga_* | Google Analytics: session state | 2 years |
Preference cookies
Optional
Remember settings you have chosen — such as region or display preferences — so you do not need to re-select them on each visit.
| Cookie | Purpose | Duration |
|---|---|---|
| user_prefs | Display and region preferences | 6 months |
Marketing cookies
Optional
Used to understand whether visitors have come to the website via a specific referral or campaign. Data is used in aggregate to evaluate the effectiveness of communication activities.
| Cookie | Purpose | Duration |
|---|---|---|
| utm_source | Tracks referral campaign source | Session |
3. Manage Your Preferences
Use the toggles above to update your cookie preferences. Changes are saved in your browser. You can revise your choices at any time by returning to this page.
4. Third-Party Cookies
Some cookies on this website are set by third-party services that appear on our pages. These include:
- Google Analytics — used to understand aggregate website usage. Subject to Google's own Privacy Policy. Active only if analytics cookies are accepted.
- Google Maps — used to display a location map on our homepage. May set cookies in connection with map rendering; we recommend reviewing Google's Privacy Policy if this is a concern.
We do not use advertising networks and have no advertising cookies that serve ads to visitors after they leave our website.
5. Managing Cookies in Your Browser
You can also control cookies directly through your browser settings. Note that disabling certain cookies may affect how the website functions. Instructions for common browsers:
- Open Chrome and click the three-dot menu (⋮) in the top-right corner
- Select Settings → Privacy and security → Cookies and other site data
- Choose your preferred setting or use See all site data and permissions to manage cookies per site
- To delete existing cookies: Settings → Privacy and security → Clear browsing data
- Open Firefox and click the menu button (☰) in the top-right corner
- Select Settings → Privacy & Security
- Under Cookies and Site Data, choose your preferred setting
- Click Manage Data to view or delete cookies for specific sites
- Open Safari and click Safari in the menu bar → Preferences
- Select the Privacy tab
- Use Manage Website Data to view or remove cookies for specific sites
- On iPhone/iPad: Settings → Safari → Advanced → Website Data
- Open Edge and click the three-dot menu (…) in the top-right corner
- Select Settings → Cookies and site permissions → Cookies and site data
- Choose your preferred setting or block cookies for specific sites
- To delete cookies: Settings → Privacy, search, and services → Clear browsing data
For mobile browsers, refer to the settings app on your device and look for browser privacy or site settings.
6. Your Rights and Contact
You have the right to withdraw consent to non-essential cookies at any time, either by using the toggles on this page or by adjusting your browser settings. Withdrawal of consent does not affect any processing already carried out on the basis of prior consent.
For questions about our use of cookies or data protection more broadly, contact us at [email protected] or refer to our Privacy Policy.