Since I installed WPML the site has suddenly become extremely slow.
This results in an extremely long “waiting time” in the “root document” of the individual pages. Which usually indicates bad code or incorrect PHP code.
The WPML plugins are all up to date.
The GT Metrix score fell from A to F. The screenshots were from the live site when I made the staging site live. The live site is now running again without WPML.
But the bad score still exists on staging.bullen-markt.de
Something is causing a conflict here.
I would be happy to provide you with the login details or server access details.
thanks for getting back and taking the time to check.
I see a difference of almost 100% in time load, which should not be expected. It could be there is some compatibility issue with the theme or some plugins.
Since you have a staging site ready, please share wp-admin and FTP access in private boxes I have enabled, so I can take a further look.
I have updated WPML plugins and WooCommerce, using your parent theme to avoid any custom code, and disabled the Code snippet plugin for the same reasons.
I would also advise updating all other plugins to hopefully get a bit better results.
Anyway, now the difference I get is 6.79 vs 5.01s, which is a bit of an increase but not that large as before, and kind of expected since WPML adds a bit to your load time.
Also, I kept getting server timeout, so you might want to check with your hosting and increase your resources.
ok, but this is still a significant difference.
The loading time is still 8 seconds.
In addition, WPML and some other plugins were not even activated at your test.
Now the time with the main theme is still at 8 seconds.
The theme is not the problem. The theme is extremely fast as shown in the screenshot of my first question and on the live site: bullen-markt.de
Page loading times only increase with WPML.
I have an extremely fast server with the following metrics:
CPU: 6 vCore
RAM:8GB
SSD: 160GB
Try the live page. The speed and the scores are very good.
Only with WPML does the site become extremely slow, making it unusable.
I already did some speed tests but the page was fast bevor WPML and now takes up to 10 seconds to load.
I can not check the live website, since I do not have access to it.
Anyway, I further check the staging site, and this is what I have done:
- Update Elementor
- I would advise updating all other plugins Also, please.
- Increase your memory limit via wp-config.php
- Also Set multisite to false, as it was true, but you are not using multisite
- Disable other performance plugins, it is not recommended to use multiple at once.
- Run WPML troubleshooting tools
- Clear the cache in WPML
- Remove ghost entries
- Fix element_type collation
- Set language information
- Fix post type assignment
- Disabled not needed WPML addons. You do not really need a sticky link and Nav if you re not using it specifically, Also you might not need a WPML media addon as it is used only when you need to add completely different images via WPML > Media. If you are using the same images in both languages you do not need it and can disable it also.
Now when I check the load time is around 6.8 - 7s depending on the server response, but I would say that is a good result.
If you simply access the frontend of the live page "bullen-markt.de" uncached and click through, you will see that this page usually only takes 1-2 seconds to load per page (every page). Does WPML really make the site that much slower?
The perceived loading time on the customer site in an uncached private window is suddenly much longer. Is WPML blocking the cache or not loading into it?
I made some comparison and the problem still remains:
Home page hidden link
Product page hidden link
There are also many more requests. Is it possible for example to delay or batch the requests of the different flags for the languages? But that's just a drop in the ocean and probably won't do much.
In particular, the uncompressed size of the website has increased significantly.
A conflict arises somewhere here, so that the waiting time increases so much. It is visible in GTmetrix data and if you visit the two websites directly uncached, the difference in performance is also clearly noticeable as human.
So how do we fix this?
And also my next question would be, if I'm not allowed to use code snippets and a child theme, how should I implement the customization?
I can not compare your production and staging site, it doesn't have the same load time nor probably resources and etc. There is no point in comparing that.
I can only check the WPML impact on particular website, which I did check on your staging site.
The impact is a lot less now and from 5.5s to 6.8s with WPML, which is not an issue, and expect a small impact from WPML.
The only thing we can do here is check a website that you think has an issue and try to fix the problem there, which I did for staging. If same "fix" does not work for production and you have problems there, then we should check and debug further production website.
You are allowed to use custom code and child themes, but we can not debug or support custom code, If you need help with some part of custom or have doubts about how to use it we can try to help with advice in a new related ticket. Otherwise, you can hire a WPML contractor to help you out with custom code.
Regards,
Drazen
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