13 Oct 2011 - Server Move

The site will be migrating to a new server today or tomorrow. During this time service may be interrupted. I apologise for any inconvenience caused.

11 Oct 2011 - Technical Difficulties

The PingAlive server appears to be having some issues at the moment. The site will be migrating to a new server this week, so please bear with me. Until the move performance may be erratic.

01 Sep 2010 - Shut 'er down Clancy, she's pumpin mud!

PingAlive was down from just after midnight on the 31st August until around 10pm due to things going wrong with the database. Totally my own silly fault, but problem solved now. Apologies for any inconvenience caused.
 

07 Jul 2010 - User-Agent bugfix

Fixed a bug whereby servers were returning an error because PingAlive wasn't specifying a user-agent section in its request. PingAlive now specifies a user-agent and the problem servers now return proper responses.
 

06 Jun 2010 - Long Term (Weekly Comparison) Revamp

The Weekly Comparison page is now the Long Term page. It still has the same 3 weeks of data but now includes error percentages and categorised response times for each week. Hopefully it will give you a better feel for performance of your sites.
 

04 Jun 2010 - Almost finished revamp of Details Page

The details page has been revamped and is almost done. It's been changed gradually over the last few days. Now it shows uptime percentages and allows you to set a start date for calculating these figures. Also, there is the option of adding a group tag to each site you are monitoring. You can use these to bring together multiple sites for a single client, multiple sites on the same server, or whatever you want. Fill in the group field, save it and then you can use the Group button on the main list to group your sites.

At the moment, the longer term graphs are still at the bottom of the details page. I will be revamping this area next. They will be moved onto a 'Long Term' page similar to the Three Weekly page and the current Three Weekly page will be going bye bye.

Sorting and grouping options on the main list are now sticky.
 

30 May 2010 - Added More Information to Site List and changed Timeout handling

The site list has been modified to add an IP address, percentage uptime, errors, timeouts and average response. It has also been spaced out a bit to accomodate the extra information.

Also, timeouts now count towards average response time. Previously they were being ignored and didn't factor into the average response time calculation, now they act as a response time of 31 seconds (the timeout occurs after 30 seconds). Errors still do not factor into response times.

21 May 2010 – Timeouts no longer show on error list

I decided to remove timeouts from the list of the last 20 errors. Simply because these tended to be the most common type of error and they are already highlighted in purple on the graphs.

Because there were so many of them they tended to push the other errors of the bottom of the list.

17 May 2010 – Times showing on graphs.

The graphs on the main details page for a site now show the time as per your time zone. If you aren’t seeing the correct times then please go to your profile and change your time zone.

 To do this...

• Click your name near the top right, or click here (once you are logged in), then click edit profile below your avatar and then click Manage Profile.
  
  
• Time Zone is at the bottom.

Please Note:

Dotnetnuke doesn’t currently support Daylight Saving Time, hence it’s not something you can set in your profile. I may add an extra setting at some stage to handle Daylight Saving Time, but at the moment, if you change your time zone to something suitable (GMT + 2 hours instead of +1 hours) you should be able to bring the result times into line with your time zone.

Also, currently the 3 weekly comparison graphs do not show actual times. They are still using hours ago along the X-Axis.

16 May 2010 – Added Detail on Graphs

There are 3 graphs on the site details page...

• The top graph shows the response times, errors as red triangles, and timeouts as purple triangles on a minute by minute basis. This graph only shows the previous six hours and is auto scaled by default. You can click a button below the graph to show up to the previous 48 hours and also can zoom in on the graph vertically to show response up to 2 seconds. The latter gives you a better sense of the sites baseline response times since you tend to lose sight of this if a big response time occurs in the period you are looking at.
  
  
• The second graph shows a minimum, maximum, and average response time on an hourly basis.
   
• The third graph may be a bit harder to interpret. Again it shows the responses on an hourly basis, but this time they are categorised into a few types. Responses that were between 1 and 5 seconds, between 5 and 30 seconds and responses that were errors or timeouts. These are shown as stacked percentages.
  
  So, if your site was down for the entire hour then you would see 100% red, or red stretching the entire height. If your site was working perfectly with responses all under a second for the entire hour, then you would actually see nothing on the graph for that hour. Basically, you want this graph to show nothing at all if your site is working fine. In reality you will see a slight bit of colour near the bottom of the graph for a decent site. If you see a lot of dark orange, purple or red here then your site is having problems.