LWS Optimize


This plugin lets you boost your website’s loading times thanks to our tools: caching, media optimisation, files minification and concatenation…
This plugin was developed by LWS to improve the performance of your website created with WordPress, regardless of the web host you have chosen.

Front-end optimizations

The LWS Optimize plugin allows you to perform several optimizations on the front-end of your WordPress site.

  • Minimize your CSS files
  • Combine your CSS files
  • Preload CSS files
  • Minify your JS files
  • Combine your JS files
  • Postpone the loading of your JavaScript files
  • Minify your HTML files
  • Disable WordPress emoji support on your site
  • Remove unnecessary requests


Optimize and set up the media of your WordPress site in a few clicks:

  • Compress all images
  • Convert to WEBP images, a lighter extension than JPG, PNG…
  • Reduce the maximum size of an image
  • Disable Lazy Loading for all iframe elements
  • Disable Lazy Loading for all images
  • Force preloading of all audio and video elements
  • Force disable preloading for all audio and video elements
  • Disable Lazy Loading completely on the site


  • Enable / Disable file caching
  • Enable / Disable Memcached

This plugin is pre-installed when ordering one of these LWS webhosts: WordPress hosting, Classic shared web hosting and cPanel hosting


Released under the terms of the GNU General Public License.


  • LWS Optimize Plugin Home
  • Front-end Optimizations
  • Image Optimization
  • Activation / deactivation of caching systems


There are 3 different ways to install LWS Optimize (as with any other wordpress.org plugin).

Using the WordPress dashboard

  1. In WordPress, in the Extensions menu, click on “Add”
  2. Search for the ‘LWS Optimize’ plugin
  3. Click ‘Install Now’
  4. Activate the plugin

Uploading in WordPress Dashboard

  1. Download the latest version of this plugin
  2. In WordPress, in the Extensions menu, click on “Add”
  3. Click on the top button “Upload an extension”
  4. Select the zip file from your computer (zip file from step 1.)
  5. Click ‘Install Now’
  6. Activate the plugin

Using FTP

  1. Download the latest version of this plugin
  2. Unzip the zip file. This extracts the files from the compressed folder on your computer
  3. Upload the LWS Optimize folder to the /wp-content/plugins/ directory in your web space
  4. Activate the plugin in WordPress

Preguntas frecuentes

Why optimize your WordPress site?

Having a fast site without slowing down must be one of your priorities. A slow site does not please anyone, your visitors may leave it very quickly. A user will not wait more than a few seconds

Does this plugin need any particular web hosting to work?

This plugin can be used with all WordPress websites. However it was designed for LWS web hosting customers. Some features may be inaccessible to users of other servers. Apart from this plugin, LWS hosting offers you many other benefits: free domain, SSL certificate (https), pro emails based on your domain, low prices, premium WordPress themes and plugins…

If you want to host your WordPress site with LWS you can choose one of these solutions:

WordPress hosting
Classic shared web hosting
cPanel hosting

Do you have a valid promo code on recommended web hosting?

Yes, you can enter the coupon code WPEXT15 at checkout (on LWS) to receive an additional 15% discount (cumulative with current promotional offers!)

Where can I get help?

Find out more about LWS Optimize by searching for this keyword on our LWS online help. A free 7 days / 7 support is also available in France when you have ordered a web hosting or other service from LWS. Videos are also published regularly on our YouTube channel.

Do you have any other plugins to recommend?

Other WordPress extensions have been created by LWS :

  • LWS Cleaner : Helps you clean your website and giving it a second youth, fast and easily!
  • LWS Tools : Get a hold on various tools and options to optimize your website. From deactivating emotes or hiding sensible informations to deactivating REST API!
  • LWS Hide Login : Redirect your users if they try to access your admin page directly. Choose your own page and protect your website.
  • LWS Affiliation : Easily add banners and widgets such as search domain name availability or a summary table of our web hosting plans on your website.
  • LWS SMS : Create SMS templates and configurate your website to send SMS to clients when you want it ! Requires ordering SMS credits
  • LWS Cache : This plugin works only on servers using the LWSCache system. This cache is pre-installed with shared web hosting , WordPress hosting, cPanel hosting from LWS.

Useful LWS services to get you started on the web


25 de enero de 2023
Simple et agréable à utiliser. Comporte tout ce qu'il faut et le texte est en français.
Leer todas las 3 reseñas

Colaboradores y desarrolladores

“LWS Optimize” es un software de código abierto. Las siguientes personas han colaborado con este plugin.


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Revisa el código , echa un vistazo al repositorio SVN , o suscríbete al log de desarrollo por RSS .

Registro de cambios


  • Fixed fatal error when minifying certain types of CSS
  • Fixed issues with preloading CSS


  • Compatibility check added
  • Can now deactivate the plugin
  • Some corrections to the actions


  • Fixes to the CSS/JS concatenation, it should now works better
  • Minor bugs fixes


  • Can ask for reviews
  • Minor bugs fixed


  • Fixing a problem where non-authorized users could access the options page


  • Fixing security issue
  • Another change to the button to make it easier to understand => now slider
  • Some bugs fixed
  • More security measures added


  • Important bug corrected concerning the lazy loading
  • WordPress crash when trying to deactivate lazy loading corrected
  • Clarified some button to better show their function


  • Bug corrected for the HTML Minification, making it unusable
  • Made it easier to apply modification in the first tab
  • Clarifications added on some elements in the media tab


  • Plugin created and published