Cookie Policy
26 May 2026
Our website uses cookies to distinguish you from other users of our website. This helps us to provide you with a good experience when you browse our website and also allows us to improve our site. This policy should be read in conjunction with our Privacy Policy and our Website Terms and Conditions.
A cookie is a small file of letters and numbers that we store on your browser or the hard drive of your computer if you agree. Cookies contain information that is transferred to your computer's hard drive.
We use the following cookies:
- Required cookies. These are cookies that are required for the operation of our website. These essential cookies are always enabled because our website won’t work properly without them. They include, for example, cookies that enable you to log into secure areas of our website, use a shopping cart or make use of e-billing services. You can switch off these cookies in your browser settings but you may then not be able to access all or parts of our website.
- Analytics cookies. These allow us to recognise and count the number of visitors and to see how visitors move around our website when they are using it. This helps us to improve the way our website works, for example, by ensuring that users are finding what they are looking for easily.
- Personalisation cookies. These are used to recognise you when you return to our website. This enables us to personalise our content for you, greet you by name and remember your preferences (for example, your choice of language or region).
- Marketing cookies. These cookies record your visit to our website, the pages you have visited and the links you have followed. We will use this information to make our website and the advertising displayed on it more relevant to your interests.
You can find more information about the individual cookies we use and the purposes for which we use them in the table below:
Required Cookies
| Cookie Title/Name | Purpose | Expiry | More information |
_ab |
Used to control when the admin bar is shown on the storefront. | 1y | Please see Shopify’s Cookie Policy |
_abv |
Persist the collapsed state of the admin bar. | 1y | Please see Shopify’s Cookie Policy |
_checkout_queue_token |
Used when there is a queue during the checkout process. | 1y | Please see Shopify’s Cookie Policy |
_cmp_a |
Used for managing customer privacy settings. | 1d | Please see Shopify’s Cookie Policy |
_identity_session |
Contains the identity session identifier of the user. | 2y | Please see Shopify’s Cookie Policy |
_master_udr |
Permanent device identifier. | session | Please see Shopify’s Cookie Policy |
_pay_session |
The Rails session cookie for Shopify Pay | session | Please see Shopify’s Cookie Policy |
_secure_account_session_id |
Used to track a customer's session for new customer accounts. | 30d | Please see Shopify’s Cookie Policy |
_session_id |
Used for providing reporting and analytics. | 2y | Please see Shopify’s Cookie Policy |
_shopify_country |
Used for Plus shops where pricing currency/country is set from GeoIP by helping avoid GeoIP lookups after the first request. | 30min | Please see Shopify’s Cookie Policy |
_shopify_essential |
Contains essential information for the correct functionality of a store such as session and checkout information and anti-tampering data. | 1y | Please see Shopify’s Cookie Policy |
_storefront_u |
Used to facilitate updating customer account information. | 1min | Please see Shopify’s Cookie Policy |
_tracking_consent |
Used to store a user's preferences if a merchant has set up privacy rules in the visitor's region. | 1y | Please see Shopify’s Cookie Policy |
auth_state_<<id>> |
Stores authentication state before redirecting customers to third party for authentication. | 25min | Please see Shopify’s Cookie Policy |
card_update_verification_id |
Used to support verification when a buyer is redirected back to Shopify after completing 3D Secure during checkout. | 20min | Please see Shopify’s Cookie Policy |
cart |
Contains information related to the user's cart. | 2w | Please see Shopify’s Cookie Policy |
cart_currency |
Used after a checkout is completed to initialize a new empty cart with the same currency as the one just used. | 2w | Please see Shopify’s Cookie Policy |
cart_sig |
A hash of the contents of a cart. This is used to verify the integrity of the cart and to ensure performance of some cart operations. | 2w | Please see Shopify’s Cookie Policy |
cart_ts |
Used in connection with checkout. | 2w | Please see Shopify’s Cookie Policy |
checkout |
Used in connection with checkout. | 21d | Please see Shopify’s Cookie Policy |
checkout_prefill |
Encrypts and stores URL parameters containing PII which are used in cart permalink URLs. | 5min | Please see Shopify’s Cookie Policy |
checkout_session_lookup |
Used in connection with checkout. | 3w | Please see Shopify’s Cookie Policy |
checkout_session_token_<<id>> |
Used when a checkout session is established on the server. | 3w | Please see Shopify’s Cookie Policy |
checkout_token |
Captures the landing page of the visitor when they come from other sites. | session | Please see Shopify’s Cookie Policy |
customer_account_locale |
Used to keep track of a customer account locale when a redirection occurs from checkout or the storefront to customer accounts. | 1y | Please see Shopify’s Cookie Policy |
customer_payment_method |
Stores what payment method is being updated for subscriptions. | 1h | Please see Shopify’s Cookie Policy |
customer_shop_pay_agreement |
Used to help verify a new Shop Pay payment instrument. | 20min | Please see Shopify’s Cookie Policy |
device_fp_id |
Device fingerprint identifier to help prevent fraud. | session | Please see Shopify’s Cookie Policy |
device_id |
Session device identifier to help prevent fraud. | session | Please see Shopify’s Cookie Policy |
discount_code |
Stores a discount code (received from an online store visit with a URL parameter) in order to the next checkout. | session | Please see Shopify’s Cookie Policy |
dynamic_checkout_shown_on_cart |
Adjusts checkout experience for buyers that proceed with regular checkout versus dynamic checkout. | 30min | Please see Shopify’s Cookie Policy |
hide_shopify_pay_for_checkout |
Set when a buyer dismisses the Shop Pay login modal during checkout, informing display to buyer. | session | Please see Shopify’s Cookie Policy |
identity-state |
Stores state before redirecting customers to identity authentication. | 1d | Please see Shopify’s Cookie Policy |
identity-state-<<id>> |
Stores state before redirecting customers to identity authentication. | 1d | Please see Shopify’s Cookie Policy |
identity_customer_account_number |
Stores an identifier used to facilitate login across the customer's account and storefront domains. | 12w | Please see Shopify’s Cookie Policy |
keep_alive |
Used when international domain redirection is enabled to determine if a request is the first one of a session. | session | Please see Shopify’s Cookie Policy |
locale_bar_accepted |
Preserves if the modal from the geolocation app was accepted. | session | Please see Shopify’s Cookie Policy |
locale_bar_dismissed |
Preserves if the modal from the geolocation app was dismissed. | 1d | Please see Shopify’s Cookie Policy |
localization |
Used to localize the cart to the correct country. | 2w | Please see Shopify’s Cookie Policy |
logged_in |
Identity logged-in hint. | 12w | Please see Shopify’s Cookie Policy |
login_with_shop_finalize |
Used to facilitate login with Shop. | 5min | Please see Shopify’s Cookie Policy |
master_device_id |
Permanent device identifier. | 1y | Please see Shopify’s Cookie Policy |
order |
Used to allow access to the data of the order details page of the buyer. | 3w | Please see Shopify’s Cookie Policy |
pay_update_intent_id |
Stores an ID of a Shop Pay billing agreement update intent, required for a callback after verifying a new Shop Pay payment instrument. | 20min | Please see Shopify’s Cookie Policy |
preview_theme |
Used to indicate whether the theme is being previewed. | session | Please see Shopify’s Cookie Policy |
previous_checkout_token |
Used to prefill checkout with the details from the previous checkout. | 1y | Please see Shopify’s Cookie Policy |
previous_step |
Used in connection with checkout. | 1y | Please see Shopify’s Cookie Policy |
profile_preview_token |
Used for previewing checkout customizations. | 5min | Please see Shopify’s Cookie Policy |
receive-cookie-deprecation |
A cookie specified by Google to identify certain Chrome browsers affected by the third-party cookie deprecation. More information about this cookie can be found here. | session | Please see Shopify’s Cookie Policy |
remember_me |
Used to prefill checkout with the details from the previous checkout. | 1y | Please see Shopify’s Cookie Policy |
secure_customer_sig |
Used to identify a user after they sign into a shop as a customer so they do not need to log in again. | 1y | Please see Shopify’s Cookie Policy |
shop_pay_accelerated |
Indicates if a buyer is eligible for Shop Pay accelerated checkout. | 1y | Please see Shopify’s Cookie Policy |
shopify-editor-unconfirmed-settings |
Stores changes merchant does in the editor to update the preview. | 16h | Please see Shopify’s Cookie Policy |
shopify_pay |
Used to log in a buyer into Shop Pay when they come back to checkout on the same store. | 1y | Please see Shopify’s Cookie Policy |
shopify_pay_redirect |
Used to accelerate the checkout process when the buyer has a Shop Pay account. | 1y | Please see Shopify’s Cookie Policy |
storefront_digest |
Stores a digest of the storefront password, allowing merchants to preview their storefront while it's password protected. | 1y | Please see Shopify’s Cookie Policy |
tracked_start_checkout |
Used in connection with checkout. | 1y | Please see Shopify’s Cookie Policy |
user |
Used in connection with Shop login. | 1y | Please see Shopify’s Cookie Policy |
user_cross_site |
Used in connection with Shop login. | 1y | Please see Shopify’s Cookie Policy |
wpm-domain-test |
Used to test Shopify's Web Pixel Manager with the domain to make sure everything is working correctly. | session | Please see Shopify’s Cookie Policy |
cookieyes-consent |
Stores your cookie consent preferences (which categories you have accepted or rejected) so that we do not need to ask you again on every visit. Set by our consent management platform, CookieYes. | 1y | See the Cookie Consent Management section below |
Analytics Cookies
| Cookie Title/Name | Purpose | Expiry | More information |
_ga |
Set by Google Analytics 4. Distinguishes users by assigning a randomly generated number as a client identifier. | 2y | Please see Google's Privacy Policy |
_ga_ZTE4CB7T2E |
Set by Google Analytics 4. Persists session state. The suffix corresponds to our specific Google Analytics property identifier. | 2y | Please see Google's Privacy Policy |
_landing_page |
Capture the landing page of visitor when they come from other sites. | 2w | Please see Shopify’s Cookie Policy |
_orig_referrer |
Allows merchant to identify where people are visiting them from. | 2w | Please see Shopify’s Cookie Policy |
_shopify_ga |
Contains Google Analytics parameters that enable cross-domain analytics measurement to work. | session | Please see Shopify’s Cookie Policy |
_shopify_s |
Used to identify a given browser session/shop combination. Duration is 30 minute rolling expiry of last use. | 30min | Please see Shopify’s Cookie Policy |
_shopify_sa_p |
Capture the landing page of visitor when they come from other sites to support marketing analytics. | 30min | Please see Shopify’s Cookie Policy |
_shopify_sa_t |
Capture the landing page of visitor when they come from other sites to support marketing analytics. | 30min | Please see Shopify’s Cookie Policy |
_shopify_y |
Shopify analytics. | 1y | Please see Shopify’s Cookie Policy |
checkout_one_experiment |
Used when a checkout is eligible to Checkout One and has been assigned to an experiment (control group or test group). | session | Please see Shopify’s Cookie Policy |
shop_analytics |
Contains the required buyer information for analytics in Shop. | 1y | Please see Shopify’s Cookie Policy |
unique_interaction_id |
Used for checkout metrics. | 10min | Please see Shopify’s Cookie Policy |
Personalisation Cookies
We do not currently set any first-party personalisation cookies beyond those provided by our Shopify storefront.
Marketing Cookies
Marketing cookies set on our website come from third parties. Details of the marketing cookies set by Meta Pixel and Klaviyo are provided in the sections below.
| Cookie Title/Name | Purpose | Expiry | More information |
_fbp |
Set by Meta Pixel. Identifies the browser to enable advertising and measurement services across Meta platforms (such as Facebook and Instagram). See the Meta Pixel section below. | 90d | Please see Meta's Privacy Policy |
__kla_id |
Set by Klaviyo. Identifies the visitor so that on-site activity can be attributed to email marketing campaigns. See the Email Marketing section below. | 2y | Please see Klaviyo's Privacy Notice |
Please note that the following third parties may also use cookies, over which we have no control. These named third parties may include, for example, advertising networks and providers of external services like web traffic analysis services. These third-party cookies are likely to be analytical cookies or performance cookies or targeting cookies:
- Meta Platforms Ireland Ltd (Meta Pixel)
- Klaviyo (email marketing)
- Judge.me (product reviews)
To deactivate the use of third-party advertising cookies, you may visit the relevant consumer page to manage the use of these types of cookies. For example:
- To deactivate the use of Google advertising cookies you can visit https://adssettings.google.com/anonymous?hl=en
- To opt out of being tracked by Google Analytics across all websites, visit http://tools.google.com/dlpage/gaoptout.
Marketing and Analytics Cookies (Including Meta Pixel)
Meta Pixel is a tracking technology provided by Meta Platforms Ireland Ltd (Meta). It allows us to understand how users interact with our website after seeing or engaging with our adverts on Meta platforms (such as Facebook and Instagram).
When you visit our website and consent to marketing cookies, Meta Pixel:
- records certain actions you take on our website (for example, page views or form submissions);
- collects technical information such as your IP address, device type, browser, and potentially a unique identifier; and
- sends this information to Meta.
Meta may combine this information with other data it holds about you in accordance with its own privacy policies.
We use Meta Pixel to:
- measure the effectiveness of our advertising campaigns;
- understand which adverts lead users to our website;
- deliver more relevant advertising to users on Meta platforms.
We do not use Meta Pixel to identify you directly.
Under UK data protection and privacy law, Meta Pixel and other marketing cookies are used only with your consent. You will be asked to provide your consent via our cookie banner when you first visit our website. You can withdraw this consent at any time.
For further information about how Meta uses personal data, please see Meta’s privacy policy available on its website https://www.facebook.com/privacy/policy/?locale=en_GB.
Email Marketing (Klaviyo)
We use Klaviyo, provided by Klaviyo Inc., to send marketing emails and to measure how recipients engage with them. Klaviyo may set cookies on our website where you submit a sign-up form or otherwise interact with Klaviyo content, and may use tracking pixels and tagged links within our marketing emails to record opens, clicks and on-site actions following an email click.
We use Klaviyo to:
- understand which of our marketing emails are opened and which links are clicked;
- attribute website visits and purchases to specific marketing campaigns; and
- tailor the marketing communications we send to you.
You can unsubscribe from our marketing emails at any time using the unsubscribe link in any email we send, or by contacting us at support@somnise.co.uk. For further information about how Klaviyo uses personal data, please see Klaviyo's privacy policy available at https://www.klaviyo.com/legal/privacy/privacy-notice.
Product Reviews (Judge.me)
We use Judge.me to collect and display product reviews from customers on our website. Where you submit a review, post a question, or otherwise interact with a Judge.me widget on our website, Judge.me may set cookies and use similar tracking technologies to:
- identify reviewers and prevent duplicate or fraudulent review submissions;
- remember your interaction with review widgets across pages and visits; and
- measure engagement with reviews and review-request emails.
Under UK data protection and privacy law, these cookies are used only with your consent. You can withdraw this consent at any time via the cookie settings on our website. For further information about how Judge.me processes personal data, please see Judge.me's privacy policy available at https://judge.me/privacy.
Campaign Attribution and UTM Parameters
We also tag links in our marketing communications, social media posts and adverts with URL parameters (such as UTM tags) so that our analytics tools (including Google Analytics) can attribute website visits and conversions to the campaign that drove them. This information is processed under the analytics and marketing cookies described above.
Cookie Consent Management (CookieYes)
We use CookieYes as our cookie consent management platform. CookieYes displays the cookie banner on our website that allows you to accept or reject non-essential cookies, and records and stores your choices. Your consent preferences are stored in a single first-party cookie (cookieyes-consent) on your device for up to one year, so that we do not need to ask you again on every visit. This cookie is essential to enable consent management and is therefore classified as a Required cookie (see the Required Cookies table above).
You can revisit or change your consent choices at any time by clicking the cookie settings option on our website to reopen the CookieYes banner.
For more information about how CookieYes processes personal data, please see CookieYes's privacy policy available at https://www.cookieyes.com/privacy-policy/.
Choices about cookies
You can choose which analytics, personalisation and marketing cookies we can set by clicking on the button(s):
- Required cookies ALWAYS ACTIVE
- Analytics cookies OFF
- Personalisation cookies OFF
- Marketing cookies OFF
You can also choose to "Reject All" cookies in the cookie banner.
However, if you use your browser settings to block all cookies (including essential cookies) you may not be able to access all or parts of our website.
If you have any questions or concerns about our use of cookies, please send us an email at support@somnise.co.uk