---
title: "Cookie States and Tracking Behavior"
slug: "cookie-states-and-tracking-behavior"
updated: 2020-05-06T15:55:42Z
published: 2020-05-06T15:55:43Z
canonical: "onpremises.webtrends.help/cookie-states-and-tracking-behavior"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://onpremises.webtrends.help/llms.txt
> Use this file to discover all available pages before exploring further.

# Cookie States and Tracking Behavior

| Tag functionality | Cookie state | wtid.js | Cookie setting and detection | Session functionality | Parameters and events |
| --- | --- | --- | --- | --- | --- |
| New cookie configuration state for EU Privacy Act | 1st party disabled, 3rd party disabled | No request made | No 1st party cookie set | Only `WT.vt_f=`4 is sent, to signify that first party cookies are explicitly disabled. | No `WT.co_f` should be included in events No `WT.vtid` should be sent unless the tag is configured to specify a vtid value |
| Standard | 1st party enabled, 3rd party enabled | No request made, users have same ID across domains | 3rd party cookie detection occurs unless overridden by `TPCConfig.cfgType`. (`dcsredirect` occurs if the request does not contain an ACOOKIE) | Standard session and timing functionality | n/a |
| Standard with 3rd party cookies disabled | 1st party enabled, 3rd party disabled | No request made, user ID is generated client side | All events should include `dcscfg=`1 to instruct the collection server to not try and set a third party cookie in the response | Standard session and timing functionality | No dcsredirect requests should occur |
| Unsupported | 1st party disabled, 3rd party enabled | n/a | n/a | n/a | n/a |