PingCrumb blog

Guides on uptime monitoring

Practical, honest advice from the team behind PingCrumb, written to help you do this well.

What Five Nines Really Means for a Small SaaS
Uptime monitoring

What Five Nines Really Means for a Small SaaS

99.999 percent uptime sounds impressive, but the number hides some hard math. Here is what different reliability targets actually cost.

September 3, 2026 · 3 min read