Science-based experts
COOKIE POLICY
TABLE OF CONTENTS
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Last Updated: September 2026
Introduction
This Cookie Policy explains how Tunley Environmental uses cookies and similar technologies when you visit a website. It explains what these technologies are, why we use them and how you can manage your preferences.
Some cookies and similar technologies may collect identifiers or information about how you interact with our website. Where this information constitutes personal data, it is handled in accordance with our Privacy Policy.
What are cookies and similar technologies?
Cookies are small text files that are stored on your device when you visit a website. They help websites function effectively and can also provide information about how visitors use and interact with a website.
We may also use similar technologies, such as pixels, tags, scripts and local storage. For simplicity, we refer to these technologies collectively as "cookies" throughout this policy.
Managing your cookie preferences
Wen you first visit our website, you can choose which optional cookies you wish to allow through our cookie consent banner.
You can change or withdraw your consent at any time by reopening the cookie settings on our website and updating your preferences.
You can also manage or delete cookies through your browser settings. Please be aware that blocking certain cookies may affect how some parts of our website function.
How we use cookies
We use cookies to help our website operate effectively, remember your preferences, understand how visitors use our website and, where applicable, support marketing and advertising activities.
Some cookies are necessary for the website to function and do not require your consent. Where consent is required, optional cookies will only be used in accordance with the preferences you select trough our cookie consent tool.
You can review or change your cookie preferences at any time.
Third-party cookies
Some features and services used on our website are provided by third parties. There providers may use cookies or similar technologies when you interact with their services.
Where these technologies require consent, they will only be used in accordance with the cookie preferences you select.
The cookie list below provides further information about the cookies used on our website and their purposes.
Changes to this Cookie Policy
We may update this Cookie Policy from time to time to reflect changes to the technologies we use, our website or applicable legal requirements.
We recommend checking this page periodically for updates. The date at the top of this page shows when this Cookie Policy was last reviewed.
| Name | Duration | Purpose |
|---|---|---|
|
Necessary Necessary cookies support essential website functions and cannot be switched off through our cookie preference tool. |
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| _GRECAPTCHA | 6 months | Google Recaptcha service sets this cookie to identify bots to protect the website against malicious spam attacks. |
| rc::a | Never expires | This cookie is set by the Google recaptcha service to identify bots to protect the website against malicious spam attacks. |
| rc::b | Session | This cookie is set by the Google recaptcha service to identify bots to protect the website against malicious spam attacks. |
| rc::c | Session | This cookie is set by the Google recaptcha service to identify bots to protect the website against malicious spam attacks. |
| rc::f | Never expires | This cookie is set by the Google recaptcha service to identify bots to protect the website against malicious spam attacks. |
| cookietest | Session | Used to check if the user's browser supports cookies. |
| __cf_bm | 1 hour | This cookie, set by Cloudflare, is used to support Cloudflare Bot Management |
| _cfuvid | Session | Calendly sets this cookie to track users across sessions to optimize user experience by maintaining session consistency and providing personalised services |
| cookieyes-* | 1 year | Stores/manages cookie consent |
| VISITOR_PRIVACY_METADATA | 6 months | Stores YouTube cookie consent data |
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Functional Functional cookies enable additional website features and help remember choices you make when using our website. |
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| li_gc | 6 months | Linkedin set this cookie for storing visitor's consent regarding using cookies for non-essential purposes. |
| lidc | 1 Day | LinkedIn sets the lidc cookie to facilitate data center selection. |
| ytidb::LAST_RESULT_ENTRY_KEY | Never expires | The cookie ytidb::LAST_RESULT_ENTRY_KEY is used by YouTube to store the last search result entry that was clicked by the user. This information is used to improve the user experience by providing more relevant search results in the future. |
| VISITOR_INFO1_LIVE | 6 months | YouTube sets this cookie to store the user's video preferences using embedded YouTube videos. |
|
Analytics Analytics cookies help us understand how visitors interact with our website, such as which pages are visited and how visitors navigate the site. This information helps us measure and improve website performance. |
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| _clck | 1 Year | Microsoft Clarity sets this cookie to retain the browser's Clarity User ID and settings exclusive to that website. This guarantees that actions taken during subsequent visits to the same website will be linked to the same user ID. |
| _hjSessionUser_* | 1 Year | Hotjar sets this cookie to ensure data from subsequent visits to the same site is attributed to the same user ID, which persists in the Hotjar User ID, which is unique to that site. |
| _hjSession_* | 1 Year | Hotjar sets this cookie to ensure data from subsequent visits to the same site is attributed to the same user ID, which persists in the Hotjar User ID, which is unique to that site. |
| _clsk | 1 Day | Microsoft Clarity sets this cookie to store and consolidate a user's pageviews into a single session recording. |
| __hstc | 6 months | Hubspot set this main cookie for tracking visitors. It contains the domain, initial timestamp (first visit), last timestamp (last visit), current timestamp (this visit), and session number (increments for each subsequent session). |
| hubspotutk | 6 months | HubSpot sets this cookie to keep track of the visitors to the website. This cookie is passed to HubSpot on form submission and used when deduplicating contacts. |
| SM | Session | Microsoft Clarity cookie set this cookie for synchronizing the MUID across Microsoft domains. |
| MR | 7 Days | This cookie, set by Bing, is used to collect user information for analytics purposes. |
| _hjTLDTest | Session | To determine the most generic cookie path that has to be used instead of the page hostname, Hotjar sets the _hjTLDTest cookie to store different URL substring alternatives until it fails. |
| vuid | 1 Year, 1 month, 4 Days | Vimeo installs this cookie to collect tracking information by setting a unique ID to embed videos on the website. |
| __hssc | 1 hour | HubSpot sets this cookie to keep track of sessions and to determine if HubSpot should increment the session number and timestamps in the __hstc cookie. |
| _hssrc | Session | This cookie is set by Hubspot whenever it changes the session cookie. The __hssrc cookie set to 1 indicates that the user has restarted the browser, and if the cookie does not exist, it is assumed to be a new session. |
| _ga | 1 Year, 1 month, 4 Days | Google Analytics visitor/site usage measurement |
| _ga_* | 1 Year, 1 Month, 4 Days | Google Analytics page-view measurement |
| FPID | 2 Year, 1 month, 4 days | Google Tag Manage server side tagging |
| FPLC | 20 hours | Google Tag Manager cross-domain tracking |
| FPAU | 3 months | Google analytics/reporting |
| YSC | Session | Tracks views of embedded YouTube videos |
| attribution_user_ID | 1 Year | Typeform usage statistics |
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Advertisement/Marketing Cookies Marketing cookies may be used to understand the effectiveness of our marketing and provide more relevant advertising across websites and platforms. |
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| bcookie | 1 year | LinkedIn sets this cookie from LinkedIn share buttons and ad tags to recognise browser IDs. |
| MUID | 1 year 24 days | Bing sets this cookie to recognise unique web browsers visiting Microsoft sites. This cookie is used for advertising, site analytics, and other operations. |
| ANONCHK | 10 minutes | The ANONCHK cookie, set by Bing, is used to store a user's session ID and verify ads' clicks on the Bing search engine. The cookie helps in reporting and personalization as well. |
| uuid | Never expires | MediaMath sets this cookie to avoid the same ads from being shown repeatedly and for relevant advertising. |
| _gcl_au | 3 months | Used by Google AdSense for experimenting with advertisement efficiency across websites using their services. |
| __Secure-YNID | 6 months | YouTube security/fraud prevention |
| __Secure-ROLLOUT_TOKEN | 6 months | YouTube feature rollout/experiementation |
| __Secure-YEC | Past | - |
| rl_group_trait | Never expires | RudderStack activity tracking |
| rl_annonymous_id | Never expires | RudderStack behavioural/statistcal tracking |
| rl_group_id | Never expires | RudderStack activity tracking |
| rl_trait | Never expires | RudderStack activity tracking |
| rl_user_id | Never expires | RudderStack marketing/tracking user ID |
| test_cookie | 15 minutes | DoubleClick browser cookie-support check |