(1) LZ Digital user survey 2024, target group retail, Karwath Marktforschung, Oldendorf
(2) LZ Digital user survey 2024, target group retail, Karwath Marktforschung, Oldendorf.
(3) Piwik PRO, evaluation of visitors per week, 01.01.2025 - 31.12.2025
(4) IVW, December 2025
(1) Recipient file, LZ Newsletter, January 2025
(2) LZ Digital user survey 2020, target group retail, Karwath Marktforschung, Oldendorf. Recipients per copy as estimated by respondent
(3) Follower of the LZ social media channels: Facebook, Instagram, X (formerly Twitter), LinkedIn, February 2026
(4) Audiorella, Evaluation avarage downloads & streams per month, January 2026