Remove unused CSS and Javascript

Shandy

Shandy

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Hi all, I have a Wordpress site and I'm trying to speed up my site as per page speed inshghts recommendations. To try to achieve removing unused CSS & Javascript I have installed Asset Cleanup. If I have to I will test every element Asset Cleanup suggests can be turned off on every page but I'm lazy (if I can be) and am wondering if anyone has had any success via another method?

PS. I also worry that if I turn something off and the page still looks ok on my machine it migh not load properly on the next guys machine.

Many thanks in advance
 
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I haven't used it, but it says it will benefit speed and SEO.
It won't change the view on other devices.
Please share with your experience when you get success. XD
 
Shandy said:
Hi all, I have a Wordpress site and I'm trying to speed up my site as per page speed inshghts recommendations. To try to achieve removing unused CSS & Javascript I have installed Asset Cleanup. If I have to I will test every element Asset Cleanup suggests can be turned off on every page but I'm lazy (if I can be) and am wondering if anyone has had any success via another method?

PS. I also worry that if I turn something off and the page still looks ok on my machine it migh not load properly on the next guys machine.

Many thanks in advance
Click to expand...

what kind of pagespeed result do you get for removing unused CSS when you use wp-robots instead of asset clean up plugin?
 
I would highly suggest hiring someone to do this manually, but if you don't have a budget try with purifycss.


Shandy said:
PS. I also worry that if I turn something off and the page still looks ok on my machine it migh not load properly on the next guys machine.
Click to expand...

You can always test on phone or in incognito mode.
 
Shandy said:
To try to achieve removing unused CSS & Javascript I have installed Asset Cleanup. If I have to I will test every element Asset Cleanup suggests can be turned off on every page but I'm lazy (if I can be) and am wondering if anyone has had any success via another method?
Click to expand...
There's no simple and quick way to do this. It has to be done on a page by page basis. If you're lazy, just prioritize your most important pages (most traffic/conversions/slowest loading).

Before making any changes, make a backup. After making changes, test on different browsers, devices and screen resolutions to make sure the pages render Ok.
 
This is one of the problems when using a CMS you don't have control on every single detail vs if you code your site yourself because that way you have the freedom to do and edit every single bit. If you know what you are doing my suggestion is to get your hands dirty and do this on every page yourself. If you don't know how to do it or what to touch hire someone...
 
fb3003 said:
what kind of pagespeed result do you get for removing unused CSS when you use wp-robots instead of asset clean up plugin?
Click to expand...
You've just started me investigating wp-robots now - I had no idea they existed - Cheers.
 
clevertech74 said:
This is one of the problems when using a CMS you don't have control on every single detail vs if you code your site yourself because that way you have the freedom to do and edit every single bit. If you know what you are doing my suggestion is to get your hands dirty and do this on every page yourself. If you don't know how to do it or what to touch hire someone...
Click to expand...
Majority of CMS users are non technical. Also you can control single details of CMS sites if you are good coder.
 
Reem khan said:
Wp-rocket will solve your issue, shortly
Click to expand...
Ahh! Handy, I currently have the paid version of WP-ROcket - I'm guessing that they have a relevant update on the horizon?
 
fb3003 said:
Sorry, I meant to say wp-rocket
Click to expand...
Doh! - As far as I can tell WP-Rocket allows users to minify (remove gaps) but not remove unused code but Reem Kahn (above) is suggesting they might be adding this functionality soon.
 
Shandy said:
Doh! - As far as I can tell WP-Rocket allows users to minify (remove gaps) but not remove unused code but Reem Kahn (above) is suggesting they might be adding this functionality soon.
Click to expand...

maybe swift performance might help.. check it out.
 
If you're lazy, use FlyingPages to defer the CSS and JS site wide. Load the JS and CSS only on user interaction. It's not a perfect solution but it's good enough if you're lazy.
 
I use Perfmatters script manager feature to remove unused CSS and JS. It removes scripts from Elementor and other plugins that are not applicable for certain posts or pages. For example, I only load Elementor scripts for pages, not posts.
 
warriorsam53 said:
If you're lazy, use FlyingPages to defer the CSS and JS site wide. Load the JS and CSS only on user interaction. It's not a perfect solution but it's good enough if you're lazy.
Click to expand...

Not only if you are lazy! For example: If you have a search, why should the user load the search scripts if he don't use it. It would make sense to load the search scripts onfocus the search form or not?
 
NoInfo1611 said:
Not only if you are lazy! For example: If you have a search, why should the user load the search scripts if he don't use it. It would make sense to load the search scripts onfocus the search form or not?
Click to expand...

I agree. But the lazy part was in response to the OP. I didn’t mean that flying scripts is only for lazy people. Even super active people should use it. Lol.
 
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