Problem: Lighthouse returned error: ERRORED_DOCUMENT_REQUEST. Lighthouse was unable to reliably load the page you requested. Make sure you are testing the correct URL and that the server is properly responding to all requests. (Status code: 403)
Solution for Prestashop 1.7.6.5:
in Back office select
International>Localization>Geolocation>Geolocation by IP address set to "Yes"
International>Localization>Geolocation>Options:
- Geolocation behavior for other countries to set to "All features are available"