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Hosting Glossary uses a "glossary plus" format consisting of definition, additional information, plus links to articles, sites and services.




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definition


Uptime Guarantee
An assurance that a hosting company's uptime will meet an agreed-upon percentage.

information


On paper, many hosts may have similar-sounding uptime guarantees, which differ greatly in practice.

for example:

  • Does the host proactively notify you if their monthly downtime is excessive, or must you notify the host and provide documentation?
  • Does the host even honor their guarantee?

Uptime
Percent

Downtime
Minutes/Year*

99.999%

5

99.99%

52

99.9%

525

99.5%

2,628

99.0%

5,256

* rounded down to the nearest minute







articles


Good Times, Bad Times: Uptime, Downtime, Runtime Errors
All about "uptime guarantees" - what they really mean, what to expect, what they're worth.
www.hostsearch.com


directories


Computers > Software > Internet > Site Management > Monitoring
Site monitoring category at the Google Directory.
directory.google.com