## Metadata - Author: [[olga-berezovsky|Olga Berezovsky]] - Full Title:: Do You Over-Report DAU? - Issue 139 - Category:: #🗞️Articles - Document Tags:: [[Product analytics|Product Analytics]], - URL:: https://dataanalysis.substack.com/p/do-you-over-report-dau-issue-139?utm_source=substack&utm_medium=email - Finished date:: [[2024-09-19]] ## Highlights > They may or may not run their own due diligence for that event - making sure it's in line with other activity events, and that the volume looks right. ([View Highlight](https://read.readwise.io/read/01j863syr0ge99b5fn84n9bgxq)) > Unfortunately, not only users can do that. **The system may wake your app in the background** via notifications, certain types of transactions, securities, etc, and send analytics to the digital platform you use. So the **Session Start event was firing for users who didn’t open the app**. ([View Highlight](https://read.readwise.io/read/01j863te5mzc52x93eyde5fpby)) > many apps that use the Session Start event for DAU are affected by this issue. If you do, I am sorry to break the bad news to you. But you count non-active users in your DAU and MAU. ([View Highlight](https://read.readwise.io/read/01j863tzdvhn70803m327tzehs)) > Visits are the most unreliable, not clean events, and are the reason why I don’t work with marketing analytics 🚫. ([View Highlight](https://read.readwise.io/read/01j863xsm79qyqa8w938s5p9q5)) > My recommendation is to avoid using session events for KPIs or for anything important. ([View Highlight](https://read.readwise.io/read/01j863z1m9a3mhj75dcc1v6pcr)) > I highly recommend and can’t emphasize enough how vital it is to build your DAU and MAU KPIs based on **the main user activity** that illustrates the core app usage: ([View Highlight](https://read.readwise.io/read/01j8641dw0x3p4sn30gjwd5dkg))