Pongs-
2!
-“Linkbuilding”

  1. 210330, 20:29 (CET) @catalogist says:

    Best practice: place back-link on your site to your ping.

  2. 210330, 20:30 (CET) @catalogist says:

    Was ist ein Backlink? / Waht is a backlink? https://nbs-research.com/was-ist/backlink/

Pong-!-Quack