HTTP methods
HTTP methods HTTP methods define actions, wished to perform to a specific site.

GET method is used when the page is loaded from server to your browser. If it works, your web page is available to load. It is the most common method among all, when you type a site address in your broswer - this method is used to show you the site content.

HEAD method is similar with GET, but it load from server only headers of your page. It is useful if You want to test just accessibility of a web page or review its headers.

POST method is used to send information from you to server. If a page includes text field(s) for filling, POST method is used when you click button "submit" (or whatever is name of that button). It brings information you have typed into those fields to server. So, if there are some text fields on your page, you can use this method. If it works, your web page is available to use, and text, typed into fields on your page, is able to be transferred to the server. An example of using POST method for Website Monitoring is provided in this article (You provide specific keywords, which are inserted into text fields).

  • CM.Glossary.WebsiteMonitoring
  • CM.Glossary.HTTP
  • CM.Glossary.POSTMethodExample
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This was very helpful for us in identifying just how dysfunctional our host was, so we changed it! 

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- M.O.
snapshot - instrument for site supervision

How does the site look like when I’m not looking at it? What if it looks bad or does not work at all? HostTracker offers an instrument for site supervision - snapshot feature. Let’s take a look at its practical application.

How does the site look like when I’m not looking at it? What if it looks bad or does not work at all? HostTracker offers an instrument for site supervision - snapshot feature. Let’s take a look at its practical application.

What’s going on with my site?

Now it’s usual to use different services and applications for site maintenance and support, and sometimes they do report some problems. Often we feel the lack of information - Google Analytics or a similar service reports the downtime and renewal, but likely we will never know what exactly has happened. To investigate the issue, it is necessary to review the logs, write to hosting support and perform many others exhausting actions, frequently - with no result. There are also more interesting cases - when a site is not available from a certain country or is not downloaded completely. Such problems could long for months, or even years, till they are accidentally detected. One more important issue - content check. It will automatically review the content of the site and informed the responsible staff in case it has disappeared - for example, something has not been able to be downloaded from the database. But it’s hard to find the cause if the issue is short-term, because people usually do not sit in front of a laptop refreshing the page every minute. To resolve the problem, HostTracker offers a new feature - snapshot. It is very simple in use and does not require any additional adjustments. The service simply makes a snapshot of the checked page every time and saves it for review in two ways: page source code and html-view. This let you easily see how the page looks at the moment of failure, understand what’s wrong and fix the problem quickly without spending time for diagnostics. It saves lots of time for server administrator, developers and other concerned people.

How does it work

Doing the regular checks, our servers with predefined interval try to download the checked page. Additional algorithms could be used at the moment - the page could be parsed for keywords to make sure that this is the one we are looking for (there are cases when an error page returns 200, Ok, http code, or when redirection is activated in case of error). If there is no error - fine. But if there is, it will be written down into the HostTracker log, which is easily available from the web. Then, notification are sent and a snapshot is made.

 

The snapshots could also be found in the log - if several errors were detected, a different snapshot will be available from each one.


Though there are some remarks. First, we do not run javascript while making snapshot - same thing for regular check. Second, the error must be detectable. I mean, the server must return something. In case of timeout or connection error - snapshot will not help, and only a corresponding record will remain in the log.

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Start date Uptime Downtime
2017-01-01 100 %  
2016-10-01 100 %  
2016-07-01 100 % 37 sec(s) 0.00:00:37
2016-04-01 99.56 % 9 hour(s) 32 min(s) 0.09:32:38
2016-01-01 100 % 49 sec(s) 0.00:00:49
2015-10-01 100 %  
2015-07-01 99.91 % 2 hour(s) 41 sec(s) 0.02:00:41
2015-04-01 99.97 % 39 min(s) 9 sec(s) 0.00:39:09
2015-01-01 100 %  
2014-10-01 100 % 48 sec(s) 0.00:00:48
2014-07-01 99.9 % 2 hour(s) 9 min(s) 0.02:09:17
2014-04-01 99.98 % 30 min(s) 29 sec(s) 0.00:30:29
2014-01-01 100 % 52 sec(s) 0.00:00:52
2013-10-01 100 %  
2013-07-01 100 %  
2013-04-01 100 % 45 sec(s) 0.00:00:45
2013-01-01 99.91 % 1 hour(s) 39 min(s) 0.01:39:38
2012-10-01 100 % 37 sec(s) 0.00:00:37
2012-07-01 99.94 % 1 hour(s) 11 min(s) 0.01:11:01
2012-04-01 100 %  
2012-01-01 100 %  
2011-10-01 100 %  
2011-07-01 100 %  
2011-04-01 100 %  
2011-01-01 100 %  
2010-10-01 100 %  
2010-07-01 100 % 3 min(s) 2 sec(s) 0.00:03:02
2010-04-01 99.94 % 1 hour(s) 7 min(s) 0.01:07:03
2010-01-01 100 % 1 min(s) 12 sec(s) 0.00:01:12
2009-10-01 100 %  
2009-07-01 100 %  
2009-04-01 100 % 1 min(s) 9 sec(s) 0.00:01:09
2009-01-01 100 %  
2008-10-01 100 %  
2008-07-01 100 % 4 min(s) 53 sec(s) 0.00:04:53
2008-04-01 100 %  
2008-01-01 100 %  
2007-10-01 99.61 % 7 hour(s) 6 min(s) 0.07:06:55
2007-07-01 99.68 % 3 hour(s) 25 sec(s) 0.03:00:25
2007-04-01 99.61 % 7 hour(s) 26 min(s) 0.07:26:00
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