Website Monitor Up / Downtime Service Tools

Free Web Monitoring

1. Mon.itor.us



Not only they monitors more than 120,000 sites, Mon.itor.us also offer services like Internal Monitoring and Visitors Tracking.

Frequency: 5 mins
Premium Services: Yes
upported Protocols: HTTP/HTTPS, POP3, IMAP, FTP, TCP/IP, more

2. Site Uptime



Frequency: 30 mins
Premium Services: Yes
upported Protocols: N/A
Alert via: Email, SMS

3. Internet Seer



Frequency: 5 mins
Premium Services: Yes
upported Protocols: HTTP, HTTPS, SMTP. POP3 and other Ports

4. Site 24×7



Frequency: 60 mins
Premium Services: Yes
upported Protocols: HTTP, DNS,
Alert via: Email, SMS, RSS

5. HyperSpin



Frequency: 1 Hour
Premium Services: Yes
upported Protocols: Ping, HTTP, HTTPS, FTP, SSH, SMTP, DNS, POP3, IMAP, MySQL, and any arbitrary services running on TCP/IP
Alert via: Email, SMS

6. HostTracker



Frequency: 30 mins
Premium Services: Yes
upported Protocols: HTTP
Alert via: Email, ICQ, GTalk, SMS

7. Dotcom Monitors



Frequency: 60 mins
upported Protocols: HTTP, HTTPS, SMTP, POP3, DNS, FTP, SOAP, Video, Audio
Premium Services: Yes

8. Site Probe



Frequency: 60 mins
Premium Services: Yes
upported Protocols: HTTP, HTTPS, FTP, SMTP, and POP3

9. FreeBackup.info

Frequency: N/A
Premium Services: No
upported Protocols: HTTP
Alert via: Email, SMS

10. Killer Website Monitor



Frequency: 1 Hour
Premium Services: Yes
upported Protocols: HTTP

11. Vertain

Frequency: N/A
Premium Services: No
upported Protocols: HTTP
Alert via: Email, SMS, Phone

12. Uptrends



Frequency: 30 mins
Premium Services: Yes
upported Protocols: N/A
Alert via: Email, SMS, RSS

13. Uptime Party



Frequency: 60 mins
Premium Services: Yes
upported Protocols: HTTP

14. Service Uptime



Frequency: 60 mins
Premium Services: Yes
upported Protocols: HTTP, HTTPS, POP3, DNS, IMAP, SMTP, IMAP, more

15. Internet Vista



Frequency: 60 mins
Premium Services: Yes
upported Protocols: HTTP
Alert via: Email, SMS

16. EControlPortal.Net

Frequency: 5 mins
Premium Services: No
upported Protocols: HTTP, HTTPS, PING, DNS, IMAP, POP3, RADIUS, NNTP, WEB CONTENT, AUTHORIZATION
Alert via: Email

17. ServerMojo



Frequency: 15 mins
Premium Services: No
upported Protocols: HTTP, DNS, MySQL, Ping
Alert via: Email, SMS, Twitter, Jabber

18. UpPanel



Frequency: 30 mins
Premium Services: Yes
upported Protocols: HTTP/HTTPS, FTP, SSH, SMTP, MySQL, PING, more

19. WebsitePulse




Frequency: 60 mins
Premium Services: Yes
upported Protocols:HTTP/HTTPS, FTP, SSH, SMTP, MySQL, PING, more

20. Basic State



Frequency: 15 mins
Premium Services: No
upported Protocols: HTTP, DNS, Server