Free website monitoring service w/15-minute (and 1 min after failure) check intervals

[Clint1]

This has been a topic here from time to time, so I thought I would post this. I found a free website monitoring service that has 15-minute check intervals. 15-minute checks are good because most other free places are 30 minutes at best, many only check every 1 hour. free web site uptime monitor service - server and network failure alerts

They will also check every ONE minute once a failure is detected. This on the FAQ page:

"MONITORING FREQUENCY

• Individual sites are tested at 15 minute intervals.
• Public interest e-commerce sites are tested at 5 minute intervals.
• If a failure is detected, the monitoring frequency is set to every minute until the failure is resolved."

I chatted a bit with the owner and he seems like a really friendly guy that answered my emails in minutes. Nice to see that sort of thing.