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Your client's site broke on Saturday night. You found out on Monday.

Sentinelle pings your clients' websites every minute and emails you the moment one stops answering. It also hunts down broken links before Google does.

No signup. One real HTTP request, result on the right.

A small update. A very quiet weekend.

Your host monitors the server, not your checkout page. When a plugin update quietly breaks the contact form, nobody tells you.

  1. Without Sentinelle
  2. Sat 23:41
    Plugin update goes live
  3. Sun all day
    Orders silently fail
  4. Mon 09:12
    The client calls. Not happy.
  1. With Sentinelle
  2. Sat 23:41
    Plugin update goes live
  3. Sat 23:42
    A check fails. Email sent.
  4. Sat 23:55
    You roll it back from your phone.

Set up in the time it takes to read this.

1.Paste the site's address. No plugin, no script, nothing to install on the client's side.

2.Add your email. Down alerts and recovery notices land there.

3.Run a link scan once a month. Send the client the list of 404s you fixed. That's your maintenance invoice, justified.

Priced like a side tool, not an enterprise.

Free$03 sites · checked every 5 minPro$910 sites · every minute · 200 link checksAgency$2930 sites · every 30 s · unlimited link scans

Per month. Cancel any time.