# FAQ

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<summary><strong>We are currently using GTM. How does the migration to JENTIS work?</strong></summary>

We’ve prepared a **detailed step-by-step migration guide** to help you transition smoothly to JENTIS.\
This guide covers everything needed, ensuring your migration is seamless and without data loss.

You can access the migration guide here: [Migration to JENTIS: A Short Guide](/data-capture/web-tracking-setup/migration-to-jentis-a-short-guide.md)

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<summary><strong>Does JENTIS affect website performance?</strong></summary>

Yes, indeed! Since significantly fewer scripts need to be loaded in the frontend, pagespeed usually improves significantly.

<a href="https://www.jentis.com/en/article/product-pagespeed-optimisation/" class="button primary">Read the Article</a>

</details>

<details>

<summary><strong>Is it legal to use Google Analytics?</strong></summary>

From the decisions made so far by the data protection authorities of the EU member states, a recommendation crystallized for how US tools can be used in a DSGVO-compliant manner. The solution is very simple: Instead of transferring data directly to the USA (or to US servers in the EU), JENTIS interposes its patented twin-server technology. Here, personal data is pseudonymized and only then is the data forwarded to US tools such as Google Analytics.

<a href="/pages/ZWxSKLAdCor8U0xjdNhV" class="button primary" data-icon="book-open">Read the docs</a> <a href="https://www.jentis.com/en/article/google-analytics-alternatives/" class="button secondary" data-icon="newspaper">Read the article</a>

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<details>

<summary><strong>What resources are needed to implement JENTIS?</strong></summary>

Based on our experience, you will need a **developer/IT employee** for the initial setup, which includes adding the JavaScript snippet and configuring the A-record.\
This task typically requires **no more than one person-day** of a technician's time.\
After this step, the remaining implementation can usually be handled by **team members with tracking experience** or by your **agency partner.**

<a href="/pages/gXQiXTmx9SvK1c5jodcL" class="button primary" data-icon="book-open">Read more</a>

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