|
Cookie Name |
Description |
Duration |
|
_cb |
This cookie stores a visitor's unique identifier (relative to your specific site) for Chartbeat tracking on your site. |
395 days |
| _chartbeat2 |
This cookie stores timing information about when this visitor has visited your site before. This enables us to distinguish between new, returning, and loyal visitors. |
395 days |
| _cb_svref |
This cookie stores the original referrer for this site visitor -- for example, this will store the fact that a visitor arrived to your site via Twitter, past the first page view, so that when a visitor recirculates to a different article page, we still know that they originally arrived on your site via Twitter. This cookie expires after 30 minutes but the timer is reset if a visitor visits a new page on your site before the cookie expires. |
30 minutes |
| _chartbeat4 |
This is a short-lived cookie that carries leftover engagement data from one page to the next, to make sure that we can send it to our servers successfully from the next page. This ensures that we capture as much engagement data as possible. |
1 minute |
| _chartbeat5 |
This is a short-lived cookie that carries click information from one page to the next. This enables us to track which links on a page were clicked on to display to editors in real-time. |
1 minute |
| _chartbeat6 |
This is a short-lived cookie that carries click information from active headline or image tests. This enables us to track click-through rate and engaged time on headline and image experiments. |
1 minute |
| _v__chartbeat3 |
This is a video-specific visitor identifier used by Chartbeat’s video tracking system. |
1 minute |
| _v__cb_cp |
This cookie is used by Chartbeat’s video tracking system. It briefly stores leftover data from a previous video view session as a visitor navigates from one page to the next. |
1 hour |
| _t_tests |
This cookie is only used if your website implements a headline testing system, primarily to ensure that a visitor to your website sees a consistent headline across multiple pageviews. |
1 hour |
| _superfly_lockout |
This is a key of short-lived storage value placed on your domain to indicate that this user should not send pings because the last ping failed. A ping is a colloquial term for a JavaScript beacon. |
1 hour |
| _v__superfly_lockout |
This is a key of short-lived storage value placed on your domain to indicate that a user should not send pings because the last ping failed. This cookie is set by Chartbeat’s video pinger and is only set if video tracking is implemented. |
1 hour |
| _cb_optout |
This is a persistent cookie that gets set in a visitor’s browser if they choose to opt-out of Chartbeat tracking using https://static.chartbeat.com/opt-out.html. When the visitor opts out, this cookie value is set to "1" and the tracking JavaScript code is not loaded. |
395 days |