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Use this test to check the availability and responsiveness of configured SharePoint sites. Unavailable/slow sites can be accurately identified in this process.

Typically, the test emulates an HTTP/S request to a configured site, and if that request results in a valid HTML response from the server, the test reports that the site is available. Sometimes however, users may not be able to login to the web site but the server may still reply back with a valid HTML page where in the error message, say, “Invalid Login”. In this case, the test will report that the site is available (since we got a valid HTML response). To be able to correctly detect that the site could not be accessed, you can additionally configure this test to search the content of the site for a specific text string. Typically, this should be a text string that you will find in the web page that you have configured for monitoring, if that page had loaded properly. If the test does not find the string configured in the monitored page, it will automatically report that the content is invalid. This way, administrators can easily detect that the site is unavailable, even if one measure of the test reports that it is.

Outputs of the test : One set of results for the DisplayName of each Site URL configured for monitoring.

Measurement	Description	Measurement Unit	Interpretation
Application_availability	Indicates whether this site is available or not.	Percent	Availability failures could be caused by several factors such as the server process(es) being down, the server being misconfigured, a network failure, etc. Temporary unavailability may also occur if the server is overloaded. Availability is determined based on the response code returned by the server. A response code between 200 to 300 indicates that the server is available. The value 100% for this measure indicates that the site is available, and the value 0 indicates that it is not.
Content_length	Indicates the size of the content returned by the server for this site request.	Number	Typically the content length returned by the server for a specific URL should be the same across time. Any change in this metric may indicate the need for further investigation on the server side.
Content_validity	Indicates whether the content that was searched for was found in this site or not.	Percent	If the configured search string is found, this measure will report the value 100%. In the event that the string is not found, this measure will report 0. If the Application_availability measure reports the value 100, but the Content_validity measure reports the value 0, it could indicate that the site is unavailable, and hence, could not be accessed.
Response_code	Indicates the response code that the server returned when this site was accessed.	Number	Typically, 2xx codes indicate success. The 4xx codes are intended for cases in which the client may have erred, and the 5xx codes for the cases in which the server is aware that it has erred. 3xx codes indicate action to be taken (normally automatically) by the client in order to fulfill the request.
Response_time	Indicates the time taken by the server to respond to the request it received for this site.	Secs	Response time being high denotes a problem. Poor response times may be due to the server being overloaded or misconfigured. If the URL accessed involves the generation of dynamic content by the server, backend problems (e.g., an overload at the application server or a database failure) can also result in an increase in response time.