By default, Amplitude tracks the event properties listed in the table below automatically, as they relate to page-viewed events. Some are tracked via client-side SDKs, and others, like Event Day of Week or Session Replay ID, are generated by Amplitude.
All these properties will be prefixed with whenever you encounter them in Amplitude. If you prefer, configure Amplitude's SDKs to disable automatic tracking of these properties:
| Property | Value definition | Amplitude generated? |
|---|---|---|
| Event Day of Week |
Day of the week the event was performed: "Monday" |
Yes |
| Event Historical Count |
User's Nth instance of performing an action: "1st". This count is applied before other filters in your query. |
Yes |
| Event Hour of Day |
Hour of day the event was performed: "1" |
Yes |
| Historical Count |
User's Nth instance of performing an action: "1st". The count is applied after other filters in your query. |
Yes |
| Page Counter |
User's Nth instance of performing a default |
No |
| Page Domain |
Domain where the event was triggered: "app.amplitude.com" |
No |
| Page Location |
Page where the event was triggered: "https://analytics.amplitude.com/login?q=home". The Page Location event property includes query string parameters, whereas the Page URL event property removes them. |
No |
| Page Path |
Path where the event was triggered: "/signup" |
No |
| Page Title |
Title of the page where the event was triggered: "Cohorts - Amplitude" |
No |
| Page URL |
URL of the page where the event was triggered: "https://analytics.amplitude.com/login" |
No |
| Server Upload Delay Time |
Difference (in milliseconds) between Amplitude's server upload timestamps and actual event timestamps for every event: "500". Intended for use with property aggregation metrics. |
Yes |
| Session Recorded |
Boolean property that indicates whether an event was recorded: "True" |
Yes |
| Session Replay ID |
Session Replay ID of a recorded session: "c2e7e321-9a83-4c46-b889-244a92741b96/1703121610776" |
Yes |