HTTP Error 503 Service

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HTTP Error 503 Service Unavailable
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What is HTTP error 503 Service Unavailable?

• In technical language, there are HTTP response
  status codes that are used for communication from
  server to client. These codes point out whether
  or not an HTTP request was able to be fulfilled.
  Among the five types of HyperText Transfer
  Protocol (HTTP) responses, server errors (500-
  599) sum up the fifth category.

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What is Server Sided Error?

• An HTTP error indicates a disruption in a
  seamless user experience. All those response
  status codes that initiate with the numeric 5
  communicate the instances where the server has
  met with an error. There are 11 such server-sided
  errors. It is a common mistake to confuse the 5xx
  errors with one another.
• Mostly because all of them represent a server
  error response. However, these responses
  individually stand for distinct kinds of server
  errors. Besides this, there are separate ways to
  solve them because each server-sided error is
  different.

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Causes of HTTP Error 503

• In order to deal with HTTP error 503, it is
  essential to get to the root of the problem to
  recognize its causes.
• As understood above, an HTTP error 503 status
  code conjures up due to server problems. The
  impotence of a web page or website to access any
  service can be due to

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• Server down for Maintenance
• Ongoing server maintenance for example during a
  plugin, theme, or software update can possibly
  cause this HTTP error 503. In this case, the
  website goes into maintenance mode and will
  display a message as such, Briefly unavailable
  for scheduled maintenance. Check back in a
  minute. You can also check if your site is down
  for others too

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Technical Difficulties

• Technical trouble encountered by the host company
  can also be the cause of the HTTP error 503. This
  results in a communication blockade between a
  server and the website. Therefore any responsible
  administrator would always opt for a reliable
  hosting service.
• Server Inadequacy
• The incapacity of the server to support an
  overwhelming number of users due to an abrupt
  increase in traffic can also cause this HTTP
  error 503. The sudden rise in traffic takes the
  server off-guard and throws it offline.