diff --git a/what-to-do.md b/what-to-do.md
index f8fb1b5..c3b593c 100644
--- a/what-to-do.md
+++ b/what-to-do.md
@@ -80,6 +80,8 @@ If Cloudflare leak your information, it's not our fault. [*]
 
 ![](image/anonexist.jpg)
 
+- Using Cloudflare will increase chances of an outage. Visitors can't access to your website if your server is down  or Cloudflare is down. Did you really think [Cloudflare never go down](https://www.ibtimes.com/cloudflare-down-not-working-sites-producing-504-gateway-timeout-errors-2618008)?
+
 - Do you need HTTPS certificate? Use "[Let's Encrypt](https://letsencrypt.org/)" or just buy it from CA company.
 
 - Install Web Application Firewall (such as OWASP) and Fail2Ban on _your_ server and configure it _properly_.