Site-down alarm available on 15 minute measurements only. Any single file or Web object. Measurement Method HTTP GET of a file. At least six weeks of historical measurement data are maintained online. Interval Default is every 15 minutes around the clock.
More frequent measurements are available at an additional charge.
Measurement Method Parallel HTTP GETs, including initial DNS lookups, plus HTTP retrieval times. At least six weeks of historical measurement data are maintained online. Interval Default is every hour around the clock. More frequent measurements are available at an additional charge. Measurement Method Parallel HTTP GETs, including initial DNS lookups, plus HTTP retrieval times.