The following are samples of the alert and report emails generated by the server uptime monitoring and alert service. New users can register for a free account here.
Example Email Alert
------------------------------ SYSTEM ALERT ------------------------------ 2007-01-31 08:21 GMT ------------------------------ http://example.com/ ------------------------------ status code 0 bytes 0 ------------------------------ diagnostics + dns - connect - request - response - ssl certificate ------------------------------ source: http://basicstate.com/ ------------------------------
The alert starts with the date and time that the failure was first detected. Then the site is named. The next section contains the http status code and the number of bytes returned. The diagnostics section has a [+] or [-] beside each stage of the test. A [+] sign indicates that the particular step was successful.
Example Email Uptime and Performance Report
Emails are formatted as plain text, 76 characters wide, no html or attachments. Subscribers receive one combined email per day containing all reports for all sites. Each site section contains 7 calendar days of data, rolling forward on each day.
DAILY UPTIME AND PERFORMANCE SUMMARY example.com ------------------------------------------------------------ date uptime dns connect request ttfb ttlb 2006-08-02 100.00 53 341 981 1494 1644 2006-08-01 99.37 78 766 1143 1587 1765 2006-07-31 100.00 51 654 876 1144 1488 2006-07-30 100.00 122 893 1252 1360 1673 2006-07-29 100.00 76 782 1046 1314 1660 2006-07-28 100.00 47 459 995 1213 1513 2006-07-27 100.00 44 521 848 1044 1412 ------------------------------------------------------------ minimum 99.37 44 341 876 1044 1412 maximum 100.00 122 893 1252 1587 1765 average 99.91 67 631 1020 1308 1594 ------------------------------------------------------------ note: all times in milliseconds ------------------------------------------------------------ http://basicstate.com/ ------------------------------------------------------------
The columns are: date in GMT, percentage uptime, and in milliseconds, elapsed time from the start of the test to:
a) resolve dns
b) connect to server
c) send request
d) receive first byte
e) receive last byte
each is the average for the observed values in the 24 hour period.
The columns are further summarised as the minimum, maximum, and average values for the column data.