wordpress backend unusably slow

  • Hi,

    Our backend has become unusably slow. And the frontend will not win any speed races either. We do have a fair amount of plugins and use the Divi theme. But if we disable all plugins, the backend remains as slow.

    Sometimes, things all of a sudden improve and the backend is fast again, but then things grind to halt. The logs don’t reveal anything special.

    I assume some kind of conflict arises between plugins that only occurs in certain periods. Or could it be something else? Any suggestions are greatly appreciated!

    The page I need help with: [log in to see the link]

Viewing 3 replies - 1 through 3 (of 3 total)
  • Moderator Steven Stern (sterndata)

    (@sterndata)

    Volunteer Forum Moderator

    Sometimes, things all of a sudden improve and the backend is fast again, but then things grind to halt.

    My bet is that you’re using a shared hosting environment and one or more sites on your server are swamping it. Please check with your host to see if they can move you to a different server.

    See https://viewdns.info/reverseip/?host=wtnschp.be&t=1

    Thread Starter Tomeranaray

    (@tomeranaray)

    Thanks for that suggestion. Our provider is siteground and they seem to have a very good reputation. But it’s definitely possible.

    The weird thing is if I disable all plug-ins sometimes everything is fast immediately and sometimes it doesn’t have any impact.

    Also, we used to host the website in house 2 years ago and we had similar performance issues. That’s why we moved to a dedicated WP hosting provider.

    Our WP is MultiSite and many of our other sites don’t suffer from the lags in the backend so I’m not convinced it’s caused by the host.

    Thread Starter Tomeranaray

    (@tomeranaray)

    Our backend came to an almost complete stop, with pages not even loading anymore and resulting in network errors. I disabled all plugins and the problem was immediately solved.

    When enabling all plugins again, the backend remained as fast.

    if this were a local app I would assume there’s a memory leak causing the app to slow down over time.

    How does this apply to a WP site? Could a bad plugin have memory leaks and slow the site down? How do we debug this?

Viewing 3 replies - 1 through 3 (of 3 total)
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