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Cookie Policy
Last updated: September 2026
Optimsy uses cookies to improve your experience. This policy explains what, how, and why we use them.
Manage Preferences
Control which cookies you want to allow.
What are cookies?
Cookies are small text files stored on your device that help us provide a better user experience. They let us remember your preferences, keep you logged in, and understand how you use our platform.
How we use cookies
We use cookies to authenticate you, keep you logged in, and personalize your experience. We also use analytics cookies to understand how users interact with the platform so we can improve it. We also record which campaign or website led you to Optimsy. This one piece of information is kept regardless of your cookie choices and is explained separately below.
Types of cookies
Essential Cookies
Necessary cookies for authentication and security.
| Name | Purpose | Duration |
|---|---|---|
| sb-*-auth-token | Authentication & session management | 1 year |
| cookie-consent (localStorage) | Stores your cookie preferences | Until cleared |
| optimsy_attr_optout | Remembers your objection to source measurement | 1 year |
Source Measurement
Remembers how you found Optimsy: an ad, a blog post, or a link a friend shared. Only three things are kept: the campaign tags in the link (utm), the name of the site that sent you (not the full page address), and the first page you opened. This information is never shared, never sent to ad networks, and never used to follow you across other sites. We do this based on our legitimate interest, independently of your cookie choices, so we can see which channels actually work.
| Name | Purpose | Duration |
|---|---|---|
| optimsy_attr | Remembers which campaign or website you came from until you sign up. When you sign up it is saved to your account and the cookie is deleted. | 30 days |
| optimsy-attribution (localStorage) | A copy of the same information in your browser, cleared together with the cookie. | 30 days |
Analytics Cookies
Help us improve by collecting anonymous usage data.
| Name | Purpose | Duration |
|---|---|---|
| _ga | Google Analytics user distinction | 2 years |
| _ga_* | Google Analytics session state | 2 years |
| _fbp | Meta Pixel — measures ad performance and audience attribution for Facebook and Instagram campaigns | 3 months |
| _clck, _clsk | Microsoft Clarity — session replay and heatmaps so we can see where the product is confusing | 1 year / 1 day |
| _gcl_au | Google Ads — attributes a signup or subscription back to the ad that produced it | 3 months |
| __oppref, __obref | OpenAI (ChatGPT) Ads — links a signup or subscription to the ChatGPT ad that brought you here | 30 days / 1 year |
Note: Third-party services (like Stripe) may set their own cookies to prevent fraud.
Your controls
You can disable cookies in your browser settings, but some parts of the site may not function correctly. You can object to source measurement: the "Turn off source measurement" button above stops it in this browser and deletes what was stored. To have the source information saved to your account deleted, email hello@optimsy.com.