PrestaShop & WebP

WebP is an image compression format developed by Google. WebP with a smaller size up to 85% maintains comparable image quality with the JPEG format. This format is promoted by Google and is increasingly used on the Internet. By using the WebP format you will achieve higher results in Google Page Speed, Lighthouse and GTMetrix.

Convert product photos to WebP format

Our module will optimize all graphics in your store. This will have a positive effect on the loading speed, server performance, results in performance tests and user experience while surfing your store.

We used (2021) latest available technologies to optimize photos for the internet browsers. Our module will save a huge amount of data, will not overload your server and will shorten the load time on mobile devices and computers.

The module converts to WebP all photos in your store:

• Product photos, photos on product lists and product descriptions
• Pictures on CMS pages, home page, contact page, etc.
• Photos displayed by external modules such as blogs, albums and galleries, banners and sliders.

Module will start generating graphics in the WebP format in the background when they are first loaded by your customers' browsers. Thanks to this, the module does not overload server with long-term operations in the process of generating WebP and during their future use.

1. All new photos you upload in JPEG or PNG will be converted to WebP on the fly.
2. All photos already in your store will be converted to WebP on they first load.

The module detects newly added products, changes in products photos and deletion of photos and takes care of order in the graphics files on the server. 

PrestaShop & Lazy Load

To shorten the time to full interactivity of the webstore, you can turn on the Lazy Load function. This ensures that all key photos and images will be loaded first, and then images outside of the visible screen. The images will not be loaded until the user starts scrolling the page. Thanks to this, you will increase the speed to full interactivity and reduce data transmission for mobile devices with an internet limit or a slow connection.

Thanks to Lazy Load, the server will not load items that customer will not want to see, and this will directly affect the store's performance and the speed of its loading.

• While loading, the image storage objects keep their original size
• The module does not generate page jumps while it is loading

SEO friendly

Your pictures are 100% visible to web robots. URL links to photos and images are still in the code of the page. Our module has been prepared in accordance with good SEO practices according to Google guidelines, thanks to which it actually speeds up the operation of the store and relieves the server. The module will positively affect the test results of your store in Google Page Speed, Lighthouse and GTMetrix.

Install and use

Install the module and enable conversions to WebP and Lazy Load formats. The module does not require complicated configuration. We have fully automated the operation of solutions optimizing graphics and photos for eCommerce.

Maximum acceleration thanks to modern solutions

We guarantee that PrestaShow Images Optimizer will help you to relieve your server and improve your store speed in performance tests.

Rys. 1 Results proof for Google Page Speed Desktop test after module installation. The results achieved depend on many variables, including server performance and load, as well as the optimization of the core and PrestaShop modules.

Server library for handling WebP. In order for conversion to WebP format, module to work as quickly as possible need one of the following extensions to be installed on your server. Make sure your hosting supports any of these:

• cwebp
• ffmpeg
• vips
• imagick
• gmagick
• imagickbinary
• gmagickbinary
• gd

Type of server. The module works with any Apache server. To support other web servers (e.g. nginx), you should translate commands in the .htaccess file generated by our module and adjust them to the configuration of your server. You can order this service after purchasing the module by opening a request at helpdesk.prestashow.pl (50 EUR net)

Additional requirements. The module requires Friendly URLs enabled to work.

WebP is supported by the following browsers: Google Chrome, Firefox, Opera, Edge, GNOME Web, Midori, Falkon, Pale Moon and Waterfox.

If the client's browser does not support the WebP format, the module will display original jpeg / png images.

CloudFlare making no problems in cooperation with our module.

In the photo gallery you will find a comparison of Google Page Speed ​​results before and after module installation.