: Services to monitor and report if a web site goes down? Are there any services that will monitor a web site and report if it goes down, or experiences unreasonable response time? Which are

@Shanna517

Server-side monitoring software:


Nagios (FOSS)
Stashboard (FOSS)
Whiskerboard (FOSS)


Site monitoring services:


Uptime Robot (free)
Service Uptime (free)
site 24x7 (free)
monitor.us (free)
Pingdom
AlertFox
Are my sites up?
HostTracker
Gomez
servermojo
New Relic
Server Density
OpManager


Remote monitoring/testing software:


Selenium Remote Control (FOSS)
mon (FOSS)
Alchemy Eye (desktop)
up.time
Easy Network Service Monitor (desktop)
First Alert Service Monitor (desktop)

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@Dunderdale272

Server Mojo it's not free, but they have a continuous going on offer for 30 bucks / year for monitoring 1 site/domain.

The monitoring is excellent because they don't only check for the server header 200 success, but you can also check for a keyword whitin your page, in this way it tests each time the server uptime and also if the page was really given out completely and if the PHP engine is running.

BTW: i love their leitmotiv: "RED is BAD!"



UPDATE March/2012: STAY AWAY from Server Mojo!!! After trying their service for almonst one year (i paied), I discovered they have no support at all, I received false downtimes signals, and now looking also at their forum (last updated in April/2011) I think they are dieing or something anyway is not working out.

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@Merenda212

I use UptimeRobot and have been very pleased. It's pretty basic monitoring (does an URL that you specify respond with 200OK and in a reasonable amount of time?), but it's free, and they offer alerts via email, SMS (via email gateways, which are sometimes delayed), and Twitter.

I recently had an outage while I happened to be using the server, and I was notified within 4-5 minutes. I'm definitely pleased with the service, considering what I'm paying for it. ([CO])

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@Annie201

I would recommend www.pingdom.com.

You can use pindom to monitor HTTP,
and various other services, you can
get it to send you alerts by email,
text, even DM you on Twitter.
You can also choose the level of the checks every 10 minutes 5 mintutes etc.
They will can also give you a report which you can link to on your website, which would give you an uptime report


A more server level service is www.serverdensity.com/. Which requires you to add a script to server, but will give you real-time graphs or MySQL, Apache etc. Server Density also allows you to monitor HTTP and TCP for that you won't need to install anything at all and you'll still get graphs and alerts for the monitoring of websites.

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@Megan663

aremysitesup.com is an easy solution, with a free option. I use it for my personal blog.

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