# Tag is Set Up but Not Being Tracked Correctly

This article summarizes common causes and solutions for cases where the Ptengine basic tag is set up on a page you want to track, but data cannot be confirmed in the admin screen.

If you are using a tag management tool such as Google Tag Manager (GTM) to set up your tags, please also check [this article](/en/faq/start-guide/incorrect-tracking.md) along with the content below.

## Common Causes

**Tag is not installed correctly**

The most common cause is an error in tag installation. If the Ptengine tag is not installed correctly—such as due to a typo in the text, using a tag from a different project, or having two or more tags installed—data cannot be measured.

If data cannot be confirmed even after a certain amount of time (explained below) following tag installation, verify that the tag has been installed correctly on the target page using [How to Check If Your Tag is Installed Correctly](/en/faq/start-guide/incorrect-tracking.md).

If there are any issues, please reinstall the tag.

**Ptengine tracking tag is not installed on some pages**

You must install the tag on all pages you want to track. If you have restricted the tracking range, please verify that the target page is included in the tracking range.

**It takes time for data to be reflected**

If the tag is installed correctly but data is not being reflected, it may be due to a time lag.

After installation, it can take 30 minutes to up to 1 day for data to be reflected in the overall digest and heatmap. If any of the following applies, please wait a while and check again.

① When a new domain is added: Up to 1 day initially, then 30 minutes to 1 hour thereafter ② When a new account is created: Up to 1 day initially, then 30 minutes to 1 hour thereafter ③ When a new project is added: Up to 1 day initially, then 30 minutes to 1 hour thereafter ④ For cases other than above, when a tag is installed on a new page: 30 minutes to 1 hour ⑤ For cases other than ①–③, when a new event or conversion is configured: 30 minutes to 1 hour

**Domain is incorrect**

From the admin screen's "Basic Settings and Tag Retrieval," verify that there are no errors in the registered domain. Ptengine only tracks registered domains. The free version of Ptengine can only track one domain.

Note: For Japanese domains, please use the encoded alphanumeric version instead of entering it directly.

**Data period is incorrect**

Data begins to be collected from the moment the tag is installed. Please verify that you have not specified the data period to a date before the tag was installed.

**HTML source differs between PC and smartphone versions**

If your site automatically redirects to a smartphone-optimized URL when accessed from a smartphone or the source changes, please install the Ptengine tracking tag in the HTML source of the smartphone version of your site as well.

**Browser extension is blocking Ptengine**

If you have installed an ad blocker such as Ghostery, Ptengine may be blocked. In that case, if you unblock it as shown below, tracking will be possible.

**Excluding access from specific IPs or user agents**

Are you excluding specific accesses from tracking in Ptengine? Check the configuration under \[Basic Settings] > \[Project] > \[Excluded Tracking].

**Using CSP on web pages**

If your web page uses Content Security Policy (CSP) and you have not added the Ptengine domain to the whitelist, the tag will not fire properly and tracking will not work correctly. In that case, adding the following Ptengine domain to your whitelist will resolve the issue. For details, please refer to [this article](/en/faq/start-guide/incorrect-tracking.md).

### How to Verify That Data Is Being Tracked

If you want to verify right now that data is being collected correctly, follow the steps below to check real-time data.

1. Access the target page in a separate tab
2. Ptengine admin screen > Real-time > Enter the target URL in the URL field
3. If the access is confirmed, it is being tracked


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