This Cookie Statement explains how Riverbank Acoustical Laboratories uses cookies and similar technologies on this website. How we handle personal information in general is described in our Privacy Policy.
What cookies are
Cookies are small text files that a website stores in your browser. Similar technologies, such as your browser’s local storage, work the same way. Some are needed for the website to work; others help us understand how the website is used and measure our advertising.
Your choices
When you first visit, a cookie banner asks which cookies you accept. Until you choose, only the essential cookies below are used. You can change your choice at any time with the Cookie Settings link at the bottom of every page, or with this button:
You can also block or delete cookies in your browser’s settings.
Cookies we use
Essential (always on)
| Name | Set by | Purpose | Duration |
|---|---|---|---|
| csrf_contao_csrf_token, csrf_https-contao_csrf_token | This website | Protects forms against cross-site request forgery | Browser session |
| PHPSESSID | This website | Keeps your session while you browse | Browser session |
| ccb_contao_token_1 (local storage) | This website | Remembers your cookie choices | 2 years |
Analytics & Ad Targeting (only with your consent)
These are loaded through Google Tag Manager after you accept them in the cookie banner.
| Name | Set by | Purpose | Duration |
|---|---|---|---|
| _ga, _ga_* | Google Analytics | Tells visits apart so we can count visitors and see which pages are used | 2 years |
| _gid | Google Analytics | Tells visits apart | 24 hours |
| _gat_* | Google Analytics | Limits how often data is sent | 1 minute |
| _gcl_au, _gcl_* (and _gcl_ls in local storage) | Google Ads | Measures whether our ads lead to visits and inquiries | 90 days |
| IDE | Google (doubleclick.net) | Advertising measurement and ad personalization | 13 months |
| __hstc, hubspotutk | HubSpot | Recognizes returning visitors and links form submissions to their visits | 6 months |
| __hssc, __hssrc | HubSpot | Counts the pages viewed in one visit | 30 minutes / browser session |
Other services
Our contact and email sign-up forms are provided by HubSpot, whose servers may set a short-lived security cookie (__cf_bm, 30 minutes) to protect the forms from bots. Videos are embedded from YouTube in privacy-enhanced mode (youtube-nocookie.com), which does not store cookies until you play a video.
This statement was last reviewed in November 2026.
