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how does the status monitoring website work under the hood? (programming.dev)

submitted 8 months ago* (last edited 8 months ago) by [email protected] to c/[email protected]

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I am talking about the services which let you monitor the status of a website whether the website is up and operational or down or under heavy load.

how do they work under the hood?

for example:

https://githubstatus.com

https://instatus.com

I am building something similar for monitoring my web projects.

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[–] [email protected] 2 points 8 months ago

Nearly always it's by "pinging" which may or may not actually use ping. Some server somewhere is sitting there querying the server every minute to see if it responds with a 200 - for the better statuses they'll try and activate various routes and report whether portions of the server are available.