The cookies are used exclusively to ensure that surveys are delivered correctly from a technical perspective, to prevent multiple displays, and to link responses with sessions or purchases.
You can find more information about cookies, localStorage, and retention periods here.
| Type | Name | Storage period | Description |
|---|---|---|---|
| Cookie | ph_user_id | persistent | Recognizing a user (anonymized UUID). |
| Cookie | ph_last_answer | persistent | Stores the time of the last survey response. |
| Cookie | ph_survey_completed | persistent | Prevents multiple displays of surveys that have already been completed. |
| Cookie | ph_survey_viewed | persistent | Prevents multiple displays of surveys that have already been viewed. |
| Cookie | ph_order_ids | persistent | Links purchases with survey responses. |
| Cookie | ph_survey_prob | persistent | Controls whether a user is randomly included in a survey’s target group (e.g., 20%). |
| Cookie | ph_failed_survey_requests | persistent | Temporarily stores failed requests so they can be resent later. |