Can an SSL certificate cause issues with uptime?

  • Switched a client over to an SSL certificate a couple months ago and since then she’s had more frequent down time. From what I can tell, everything is set up properly.

    Is it possible for SSL to cause intermittent down time? I can never replicate her issue, weirdly. But she gets emails from people letting her know her site is down so it’s not like she’s making it up.

    Just stumped all in all. What could cause intermittent down time other than hosting?

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  • Moderator Steven Stern (sterndata)

    (@sterndata)

    Volunteer Forum Moderator

    What could cause intermittent down time other than hosting?

    You’re asking the question — because you know the answer. ??

    Check for out of memory conditions, database failures, bandwidth or CPU quota, etc. Put in a trouble ticket with the host.

    SSL has limited impact on web performance. The impact is 2% on network overhead and and 1% on CPU load. SSL makes website slow becuase client sends a request to the server in return before sending data sever sends his the public key to client in order to authenticate the client. After the client authenticate itself by sending his public key the server starts transmitting the the data.This process reduces the speed. SSL also uses different intermediate certificates that also reduces the speed. CLOUDFARE is working on it to limit the number of connection browser needs to make connection and hence reducing the number of session initiation handshakes that need be made.Rocket Loader is one of the example.

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