Cookies & Local Storage
This is everything BT Synthetics stores in your browser, checked against the site's code.
What we store in your browser
| Name | Purpose | Category | How long | Consent |
|---|---|---|---|---|
bt-synthetics-session | Keeps forms working (for example showing an error on the contact form) and keeps site admins signed in. Holds only a random ID; the contents stay encrypted on our server. | Strictly necessary | 120 minutes after your last visit | Not needed |
XSRF-TOKEN | Security: proves that forms you submit really came from our pages. | Strictly necessary | 120 minutes after your last visit | Not needed |
bt_v | Visit statistics: a random ID that tells us when the same browser comes back. See Visit statistics. | Statistics | 2 years | Asked first in the EU, EEA, UK and Switzerland; you can turn it off anywhere in Privacy choices |
bt_s | Visit statistics: links the pages of one visit together. | Statistics | 30 minutes after your last page | As above |
bt_consent | Remembers your visit-counting choice, so we don't ask again. | Strictly necessary | 1 year | Not needed: it records your choice |
bt_preview | Only if you open a private preview link before the site launches: lets that browser see the full site. | Strictly necessary | 30 days | Not needed |
bt_list_v1 (local storage) | Your saved list of product guides. Never sent to our server. | Functional, at your request | Until you clear it | Not needed: you create it |
Requests to other companies
None while you browse: our fonts and pictures are served from our own site, and there are no analytics, advertising or social media scripts. When you click a link to AMSOIL.com, you leave our site and AMSOIL's own cookies and policies apply.
Controlling cookies
You can delete or block cookies in your browser settings, and change your visit-counting choice in Privacy choices.