Is there a procedure to prevent link rot?

[amapanda_ᚐᚋᚐᚅᚇᚐ (Amanda)]

@Matija_Nalis

targeting specific community seems to pay off, even with minimal advertising (i.e. one post per challenge).

As well as geographic communities, I wonder if one could do thematic communities. “Are all the hackerspaces etc” up to date