Support » Plugin: Query Monitor » slowed down my site

  • I am sorry but this is the first time that I install a plug-in that immediately slows down my site. As soon as I click on the plugin menu from within the backend or the frontend it is impossible to activate site’s menu or else. I tried with Safari 9.1 for Mac and Chrome 49 for Mac.

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  • Plugin Author John Blackbourn


    WordPress Core Developer

    Sorry to hear that, boumy!

    I’m not quite sure what you mean by “impossible to activate site’s menu or else”. Can you elaborate?

    This is most likely an indication that there is something on your site that’s performing very poorly, for example something performing a very high number of database queries, and therefore causing QM to slow down while processing all of that information. QM performs well unless there is an extraordinarily high number of database queries being performed on the page.

    The best thing to do would be to install the P3 Profiler plugin which can help to pinpoint slow plugins on your site. Once you identify the culprit and deactivate it, you can then try QM again.

    Hello. Thank you for helping me. My site is based on WordPress 4.4.2
    What I mean by “impossible to activate etc.” is that if one click on hyperlink or image link nothing happens. I will try your advice.

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