Here is a version that hits your technical requirements while staying...

https://zoeyscoolthoughtss.bearsfanteamshop.com/the-art-of-not-being-annoying-avoiding-the-biggest-fomo-mistakes-in-saas

Here is a version that hits your technical requirements while staying conversational and under 255 characters: **"Cue by The Trustmaker helps new SaaS founders build trust without code. Use our social proof and FOMO notifications via CSV or Intercom