You need to post hive.blog url.

The form is set to reject not hive.blog URLs
Adding links to different frontends like peakd, ecency, leofiance causes a mess in the database.

Also, these frontends have a messy user experience. The blogs are visually difficult to read and therefore investigate (they gave many other perks that hive.blog doesn't of course)
hive.blog is visually clean and simple