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Talking tech Suffering from latency

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      CommentAuthorPaul Boag
    • CommentTimeOct 21st 2009
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    Hey all,
    as you may have gathered from my recent post I am working hard to speed up the boagworld website. Generally I am very pleased with the results. However, I am suffering from one problem… latency.

    If you look at this screengrab you will see that my browser is waiting 7 seconds before it even starts downloading anything. Does anybody have any ideas of why this might be?

    latency
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      CommentAuthorDoug S.
    • CommentTimeOct 21st 2009
     permalink
    I just gave it a load and I had a 1.96 second delay before the page loaded (followed by everything else). If I was to guess I'd say it's something to do with the server? Are you using the WP Cache plugin? That might have caused the initial delay.
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      CommentAuthorPaul Boag
    • CommentTimeOct 21st 2009
     permalink
    Its okay. I have solved it now. I wasn't caching the RSS feeds I pull in locally which meant it was waiting for third party servers. I am much more happy with the speed now.

    Thanks for looking into it.
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      CommentAuthordrewm
    • CommentTimeOct 23rd 2009
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    It's still looking a bit slow, Paul. Just checked here and there's still a 2.3 second delay before anything happens. For comparison, the same delay on my site is 32ms. Admittedly, I'm hosted in the UK, but MediaTemple's own site has less than a 400ms delay.

    Two things immediately come to mind that could be causing the problem:

    1) That your homepage takes longer than 1 second for the server to generate, which would be a bit odd but not outside the realms of possibility. (Normally we'd aim for a page build time of less than 0.1sec). If you're using supercache and caching those external RSS feeds, it shouldn't be that slow. Supercache working properly?

    2) The web server is under resourced, resulting in each connection having to wait a moment before resources are available to deal with it. i.e. every page load has to join the queue and wait to be served.

    WordPress is not the fastest platform around, but the caching should mean that's not a worry. Hmm. Interesting stuff.
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      CommentAuthorPaul Boag
    • CommentTimeOct 26th 2009
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    Thanks for the feedback Drew. Yes I am using Super Cache. Ill have a look again and see if i have screwed up the way it is setup. I am beginning to wonder if Media Temple might be part of the problem.

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