Tracking Cookie
TL;DR — A tracking cookie is a small piece of data stored in a user’s browser when they click an affiliate link, recording which publisher sent them and keeping that attribution active for the duration of the offer’s cookie period. If the user completes a qualifying purchase within that period, the cookie is what connects the sale back to the publisher for commission. On Involve Asia, every tracking link sets a cookie the moment it’s clicked, enabling conversion attribution even if the user doesn’t buy immediately.
What Is a Tracking Cookie?
A tracking cookie is a small text file that a website places in a visitor’s browser when they arrive through an affiliate link. It stores the publisher’s Affiliate ID alongside a timestamp, creating a record that this particular user arrived through this particular publisher’s link.
The cookie stays active in the browser for the length of the offer’s cookie period. During that window, if the user visits the advertiser’s site and completes a qualifying purchase — even if they don’t click the link again — the platform reads the cookie, identifies the publisher, and attributes the conversion accordingly.
Cookies are what make deferred conversions possible. A user who clicks a link, leaves, and returns to buy three days later can still be attributed to the publisher — because the cookie set at the first click is still active in their browser. Without it, only immediate purchases could be tracked.
Tracking cookies have limitations worth understanding. They are browser-specific — a cookie set in Chrome won’t be read by Safari. They are device-specific — a cookie set on a phone won’t follow the user to their laptop. And they can be deleted or blocked by users who clear their browser data or use privacy-focused settings, which can result in a conversion going unattributed even when the publisher genuinely drove the sale.
Tracking Cookies on Involve Asia
On Involve Asia, every tracking link sets a cookie in the user’s browser at the moment of click. That cookie stores the publisher’s Affiliate ID and remains active for the duration of the specific offer’s cookie period, which varies by advertiser and is visible on the offer’s page.
If a user clicks a tracking link but completes the purchase on a different browser or device, the original cookie won’t be present, and the conversion may not be attributed. This is the most common reason a publisher drives a genuine sale that doesn’t appear as a conversion — and one scenario where a missing conversion report may be worth submitting with the Order ID and purchase details.
Related Terms: Cookie Period · Affiliate ID · Attribution Type · Cross-Device Tracking · Missing Conversions
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