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The hit data discrepancy may be caused by a misconfiguration or by peculiarities of the related services work. Check out the possible reasons for data discrepancy and find the appropriate solution for your case.

Google Analytics settings

Discrepancy reason: Google Analytics Collection Limits and Quotas are exceeded.
Solution: In this case, it is expected that OWOX BI collects a larger amount of data.
Please take into account the fact of exceeding GA limitations when comparing the data for the affected period.

Discrepancy reason: Data in your Google Analytics Property is limited by View filters. While OWOX BI imports data to Google BigQuery without limitations.
Solution: Use Property View without filters.

Discrepancy reason: The TimeZone parameter is changed in your GA Property View after OWOX BI pipeline creation. As a result, historical data in GA is updated in accordance with the new time settings. While the timestamp of BigQuery data import cannot be changed retrospectively.
Solution: Please take into account the fact of Time Zone changing when comparing the data for the affected period. Data imported to BigQuery after the Time Zone changing will have an updated timestamp.

Discrepancy reason: Google Analytics automatically filters out the bot-generated traffic and excludes sessions triggered by various bot activity. While OWOX BI collects row data that may contain the bot-generated traffic.
Solution: The solution is currently under development.

Google Tag Manager settings (or configurations of Custom HTML)

  • Discrepancy reason: There are two or more tracking methods implemented simultaneously on your website. For example, you’ve implemented tracking via GTM container with a customTask but haven’t removed gtag.js from the pages you track; or you’ve added the same tracking code twice.
    Solution: Open your website in the Google Chrome web browser, then open the developer console by right-clicking on a page > Inspect element. In the console, press Ctrl+F (or cmd+F for Mac) to call the search field, then check your tracking codes using these keywords: GTM/analytics.js/gtag.js. Make sure you don’t have more than one chunk of code with either of these keywords.
  • Discrepancy reason: A customTask variable is not added to every Universal Analytics tag that you use to send data to BigQuery.
    Solution: Add the customTask variable to each Universal Analytics tag.
  • Discrepancy reason: the Google Tag Manager container that you use to send data to BigQuery has two or more customTask variables. Any additional customTask overrides the function of the previously added one. As a result, it prevents the data to be sent to Google BigQuery.
    Solution: Your GTM container must include a single customTask which function is to send hits to the OWOX BI access point.
    If it is critically important for you to have several customTask functions per container, you can join their JavaScript code within a single customTask variable. Please note, any customizations may disrupt the data collection.
  • Discrepancy reason: GTM domains are not whitelisted on your website server.
    Solution: Add the following directive to your Content-Security-Policy Header:
    script-src 'unsafe-eval' 'unsafe-inline' https://tagmanager.google.com/ https://www.googletagmanager.com/
  • Discrepancy reason: Some Universal Analytics tags, that you use to send data to BigQuery, do not contain “owox” as a tracker name.
    Solution: Update tracker name to “owox” for all required Universal Analytics tags.
  • Discrepancy reason: Incorrect tags sequencing.
    Solution: In tags sequencing, set the OWOX BI tag to fire before the Universal Analytics tags. Leave the tag priority and trigger empty.
  • Discrepancy reason: Google Analytics Web Property ID is not defined in the Streaming tracking code.
    Solution: Provide Google Analytics Web Property ID within the tag that contains Streaming tracking code
  • Discrepancy reason: Fields that were specified during the tracker creation are not set in the streaming tag.
    Solution: Define all the required fields in the streaming tag.

Important!After you adjust the GTM container configurations, publish your container to apply the changes.

NoteIt is highly recommended to use a customTask to integrate the OWOXBI tracking code via Google Tag Manager. More details can be found here.

Measurement Protocol settings

Discrepancy reason: Data is not sent to the OWOX BI access point.
Solution: Make sure that all the events are duplicated to the OWOX BI access point, i.e. google-analytics.bi.owox.com.

Discrepancy reason: The GET parameter tid is not defined in your request.
Solution: Adjust your request by providing GET parameter tid.

Discrepancy reason: The hit data is sent some time after the event is completed.
Solution: Define &qt (queue time) parameter in your request.

NoteIf the &qt parameter is set to more than 4 hours, the hit won’t get to Google Analytics. Meanwhile, OWOX BI can associate the hit data with the right session if the hit is completed within a 30-day period. As a result, OWOX BI will collect more data than Google Analytics.

Other reasons (technical)

  • A release of a new browser version that contains the updates to JavaScript processing.
  • Proxy server or firewall settings that prevent sending data to some servers.
  • Browser plug-ins that block sending data to Google Analytics.
  • Lag differences between an initial action and logging a hit on each analytics service server. For instance, a user may click a link to navigate elsewhere before the pageview or click event is sent.
  • Different traffic processing on the data transit route from its origin to a destination server.

The impact of the technical reasons above is not significant (up to 1% of data discrepancy). Still, make sure none of these reasons affect your results.

Navigate our documentation for more solutions:
Troubleshoot the transaction data discrepancies
Troubleshoot the session data discrepancies
Troubleshoot the ad cost data discrepancies
If you need assistance, contact Support at bi@owox.com or via online chat.

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