Overview
The Hosting-Platform/Control Panel allows for Google-Analytics Integration.
Preparation
- Consider Privacy and GDPR/…. Implications
- Complete the Google-Analytics Registration and Setup at analytics.google.com
Google Analytics 
- Visit the Google-API Console with your Web-Browser
- Go to: APIs & Auth > Credentials to create a new OAuth Client ID
- Create new Client ID to generate a new API ID and Select Application type > Web application
- Select Authorized JavaScript origins, enter the suggested origin under Account > Settings
- Click Create ID and Copy the Client ID  generated (Required for Setup!)
- Authorize access the Analytics API via APIs & Auth > APIs
- Click on Enable API if it is not enabled on your account
Web-Hosting Control Panel
- Visit Account > Settings
- Under Control Panel enter the Client ID generated into Google Analytics API Key
- Save Changes
- Visit Web > .htaccess Manager
- Edit Domain/Sub-Domain to add integration
- Select Add Directive to expand the dialogue
- Under Personality select “PageSpeed”
- Configure Pagespeed to use your AnalyticsID
 * Directive select ModPagespeedAnalyticsID
 * Value enter Analytics ID
 * Klick ADD
- Configure Pagespeed JavaScript Injection
 * Configure Directive to ModPageSpeedEnableFilters
 * Configure Value from Analytics ID to insert_ga
 * Add and Save Changes
- In Account > Dashboard. Click Access Google Analytics Button to authenticate.
 
Important: if you see “Error: origin_mismatch”, then you have incorrectly entered the Authorized JavaScript origins.
Removal
Go to Account > Settings > Control Panel section > Google Analytics API Key and  Delete to remove API key access. This will automatically disable the integrated Analytics.