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SARPER LABS · LEGAL

Cookie Policy

Last updated: November 4, 2026
Cookies are small files a website stores in your browser. Local and session storage are similar browser features. This page lists every cookie and storage item sarperlabs.com uses, and how to change your choice. For how we use personal information in general, see our Privacy Policy.

Your choice

When you first visit, a banner lets you accept or reject optional cookies. Optional cookies stay off until you turn them on. You can change your choice at any time in , also linked in the footer of every page. If your browser sends a Global Privacy Control (GPC) signal, we treat it as a “no” to advertising cookies. If you turn advertising off after it was on, the page reloads so the Meta Pixel stops.

Necessary (always on)

The site needs these to work. They are not used for advertising.

NameTypePurposeDuration
better-auth.session_token (on HTTPS: __Secure-better-auth.session_token) and related better-auth cookiesCookie (ours)Keeps you signed in to My account and protects your session.Until you sign out or the session expires (about 7 days)
sarper_admin_sessionCookie (ours)Signs our staff in to the admin area. Not set for visitors.Staff session
sl_ad_consentCookie (ours)Remembers your Advertising choice (1 = on, 0 = off) so our server respects it. Contains no ID.1 year
sarper-cookie-preferencesLocal storage (ours)Remembers your cookie choice so the banner does not show again.Until you clear it
sarper-labs-cart, sarper-labs-buy-cartLocal storage (ours)Keeps the products in your cart. Stays in your browser.Until you clear it or check out
sarper_internalLocal storage (ours)Staff only: set when our team opens the site with ?internal=1 (removed with ?internal=0), so our own visits are not counted as ad conversions (Meta Pixel Lead, InitiateCheckout, Purchase). Not set for visitors.Until removed or cleared
lead_attribution_v1Session storage (ours)Remembers the referring site, landing page and campaign tags of this visit. Sent to us only if you submit a form.Until you close the tab

Advertising (only if you turn it on)

With your permission we load the Meta Pixel and may send the same ad events from our server to Meta (Conversions API). Under California law this is “sharing” for advertising; turning it off is how you opt out. See “Do Not Sell or Share” in the Privacy Policy.

NameTypePurposeDuration
Meta Pixel script (connect.facebook.net), _fbp, _fbcCookies (Meta, set on our domain)Measures visits and actions that come from our Facebook and Instagram ads.About 90 days
Meta cookies on facebook.com (for example fr)Cookies (Meta)Set by Meta if you are signed in to or use Facebook or Instagram. Controlled by Meta.Set by Meta
meta_purchase_<order>, meta_ic_<order>, lead_<id>Local / session storage (ours)Makes sure the same ad event is reported to Meta only once.Until you clear it / close the tab

What we do not use

  • No analytics cookies. Our own page-view statistics work without cookies (see the Privacy Policy).
  • No Google Analytics, no other ad networks, no session-recording tools.

Payment pages

Checkout and Manage billing open on Stripe’s own pages (checkout.stripe.com and billing.stripe.com). Stripe sets its own cookies there, for example to prevent fraud, under Stripe’s cookie policy. We do not control them.

Browser settings

You can also block or delete cookies and site data in your browser settings. If you block necessary cookies, signing in and checkout will not work.

Contact us

Questions about cookies? Email info@sarperdijital.com or write to Sarper Labs, 311 60th St, Suite 413, West New York, NJ 07093, USA.

Sarper Labs
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