Post WordPress 4.7 Upgrade – Slow Back-End

Posted in: Newspaper
Post count: 60

Hi,

I’ve recently updated to WordPress 4.7 and have noticed my back-end (admin) has slowed right down, although the front-end seems totally unaffected.

I’ve disabled the plugins one by one to see if any of them are causing the problem, I’ve also checked the server. So far I’ve had no success finding the problem.

The only thing left to try is disabling the theme, which I’m a little hesitate to do as the site is live and I don’t want to risk losing the functionality.

Would there be any potential issue switching to a default theme and then back again to Newspaper? Would I lose widgets or theme settings?

Kind Regards

Simon

ps. Any ideas to identify the problem would be greatly appreciated – Thanks.

Post count: 27

Are you sure you only have problems with the back-end? I update WordPress and now i have problem in the front-end, 503 error, and over usage from CPU in the hosting.

Post count: 60

My front-end seems fine as far as I can tell, I do use Cloudflare, however, which I think takes a little strain off the server.

My back-end is taking around 12 seconds to load during navigation.

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You may need to clear/refresh cloudflare or any CDN after major update to WordPress such as this latest version. Otherwise you may be loading a mix of old stuff and new stuff which won’t ever work right.

Post count: 60

Hi Chris,

Thanks for the suggestion, I did just try purging the entire Cloudflare cache, but it didn’t have an effect on the back-end.

I wonder if you’d know if there is likely to be any ill effects from switching to a default theme and then back to Newspaper? Would all my widgets and theme settings remain intact?

Post count: 49

@GadgetViper, disabling and enabling the theme does not affect stored information. It does however affect the presentation of that information. So, when you disable the theme, you will see a strange looking website (same if you disable Visual Composer), but your layout is saved behind the scenes, in the DB. Once you re-activate the Newspaper theme, all items will show up as normal.
When you do this, ensure that your caching/optimizing plugins like WP Supercache, Autoptimize, etc… are also flushed.

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Also:
I find that

a) resaving permalinks
b) clearing transients with wp-optimize

both do wonders after any major theme and plugin updates.
Clears old “internal cached elements” to let new stuff breathe.

Post count: 60

Hi Chris,

I did as you suggested, used the wp-optimize plugin with the transients option ticked, I also resaved the permalinks, still no luck.

I noticed in the Theme Status tab the WP Memory Limit is 40MB/request instead of the recommended 64MB do you think that might have an effect on the load time of the backend?

Thanks

EDIT: I just followed this guide – https://forum.tagdiv.com/system-status-parameters-guide/ and changed the limit, it’s now 64MB and it’s made no difference…

Post count: 60

Just to let you know, I’ve finally fixed the problem and it had nothing at all to do with the Theme.

It was a combination of two plugins that I’ve since deleted.

Thanks for the community support, it’s one of the things that makes Newspaper so great.

-Simon.

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