DC Storm Cookies
Non-cross domain tracking: 1st party Cookies
Non-cross domain tracking uses first party cookie only. These cookies are written in the domain of the site being tracked.
|
Cookie Name |
Description |
Expiry |
|
_#srchist |
Stores the history of traffic sources the user has arrived to the site by |
1000 days |
|
_#sess |
Stores information about the session |
1000 days |
|
_#vdf |
Stores the visit definition – ts type, number of visits, expiry |
1000 days |
|
_#uid |
Stores a user identifier (only within a site) |
1000 days |
|
_#slid |
Unique sale ID |
1000 days |
|
_#clkid |
Unique identifier for a click generating a landing |
1 year |
|
_#lps |
Flags that the last page was secure and therefore has no referrer |
20 min |
|
_#tsa |
Stores the referrer details to avoid duplicate Landing events |
10 min |
|
_#env |
Flags whether the environment variables (screen size, browser etc) need to be collected again |
30 days |
Cross domain tracking: 3rd party Cookie
Cross domain tracking uses 3rd party cookies to enable spanning of domains. The availability of third party cookies is tested – if not available a 1st party cookie is used instead, with reduced tracking ability.
|
Cookie Name |
Description |
Expiry |
|
stc[site id] |
This is the third party cookie used to store all the other cookie data in concatenated form. The Cookie’s name has the site ID in it. |
1000 days |
|
_#nxd |
This is a 1st party cookie used when access to the third party cookie is blocked. It stores the data similarly to the _#stc cookie. |
1000 days |
|
_#lps |
Indicates whether or not the last page was secure (HTTPS) and we use this to help determine traffic sources as the Referrer is always empty on a page browsed immediately after a Secure Page |
20 Minutes |
|
_#tsa |
Helps to identify and remove duplicate traffic sources |
10 Minutes |