A few contents of the logbook are so uncritical, that it can be made publicly available and can be included on other websites, for example on the standard standard website of the association.
What can be viewed without authorisation can be defined here. can be defined here. The information can be displayed with an iframe whose URL points to yourEfaCloudDomain.org/public/info.php, can be included. Example:
<iframe src="../public/info.php?type=onthewater&mode=7" title="Boats on the water" style="width: 100%; border: none"></iframe>