Cookies for web statistics
Name, purpose and retention period of cookies for web statistics.
| Cookie name | Purpose | Retention period |
|---|---|---|
| _pk_id | Is it a new visitor or has the visitor visited the website before? | 13 months |
| _pk_ses | What pages did the visitor access? | 30 minutes |
| stg_externalReferrer | From which site did the visitor access www.cbs.nl? | During browsing session |
| stg_last_interaction | Is the visitor continuing from a previous visit (more than 30 minutes ago) or is it a completely new visit? The cookie value represents visitor's last time of action on the website. | 365 days |
| stg_returning_visitor | Did the visitor access the website before? The cookie value represents the last time the visitor visited the website. | 365 days |
| stg_traffic_source_priority | Through what type of channel did the visitor access the site? This cookie may contain the following values:
| 30 minutes |
| stg_utm_campaign | Which advertisement led the visitor to the website? | During browsing session |
| stg_pk_campaign | Which advertisement led the visitor to the website? | During browsing session |
| stg_fired__ | Did the visitor perform a specific action on a page? | During browsing session |