Category & trade
Tech stack
AI readiness
Compliance (GEO / GDPR)
TLD
Overview
Title
Echo — Feedback for newsletter writers
Description
Add a feedback button to any Substack post. Readers tap Loved it, It was okay, or Missed for me — you see the signal in your dashboard.
Final URL
Language
en (html)
Scanned at
2026-06-21 11:31:32