Speed up PrestaShop: Proven Technology

PageSpeed OptiPic — automatic optimization PrestaShop for requirements Google Pagespeed Insights
What resources are optimized on the site automatically
  • JavaScript
    Merge, Compression, Lazy Loading
  • CSS
    Size compression and load optimization
  • Images
    Compression and conversion with CDN OptiPic
  • Third party widgets
    Online consultants, chats, social networks, etc.
  • Analytics systems
    Google Analytics, Facebook,

What problems and Google Pagespeed Insights recommendations will be improved

Minimize main-thread work

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this.

Eliminate render-blocking resources

Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles.

Reduce unused JavaScript

Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity.

Reduce unused CSS

Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity.

Ensure text remains visible during webfont load

Leverage the font-display CSS feature to ensure text is user-visible while webfonts are loading.

Reduce the impact of third-party code

Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading.

Serve static assets with an efficient cache policy

A long cache lifetime can speed up repeat visits to your page.

Reduce JavaScript execution time

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this.

Efficiently encode images

Optimized images load faster and consume less cellular data.

Serve images in next-gen formats

Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption.

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Комплексное ускорение сайта — от 50 000 руб.
Включая ускорение бекенда, TTFB, время ответа сервере, время до первого байта

How to increase the speed of PrestaShop on the front-end side (client acceleration)


In addition to compressing the acceleration images PrestaShop on the front-end side, one can also achieve through the optimization of other components:

  • Caching of static files on the server side (images, css, js).
  • Combining css.
  • Compressing css.
  • Joining js.
  • Compression js.
  • Transferring css and js to the bottom of the html code page.
  • Disabling unnecessary scripts and widgets.

Accelerating the download PrestaShop on the back-end (server acceleration)

Server-side acceleration is the goal of minimizing page generation time by the server. This is usually promoted by the following methods:

  • Changing the hosting or server to a more powerful one
  • Optimization of web server settings (apache, nginx, php-fpm).
  • Optimize the settings for mysql (or another sub-site that the site uses).
  • Caching database queries.
  • Caching queries against third-party APIs.
  • Caching of everything that is possible (Composite site technology and the like)
  • Refactoring and optimization of php-code logic.

The OptiPic experts know all the subtleties of acceleration and are ready to tackle the complex acceleration of your site. Contact us if you need the maximum acceleration of your site.

Improving PageSpeed in PrestaShop

PageSpeed is a crucial factor for the success of any online store. Slow loading pages not only affect user experience but also impact search engine rankings. In the case of PrestaShop, there are several techniques and best practices that can be applied to enhance the performance of your website and improve its PageSpeed score.

Optimize Images

Images often contribute to a significant portion of the page size, leading to slower loading times. To optimize images in PrestaShop, consider the following:

  • Compress images using tools like TinyPNG or JPEGmini to reduce file size while maintaining quality.
  • Implement lazy loading for images that are not immediately visible on the screen.
  • Utilize responsive images to ensure the appropriate version of an image is delivered based on the user's device.

Enable Caching

Caching is an effective technique to reduce page loading time by storing static resources. In PrestaShop, enable caching by:

  • Enabling the "Smart cache for CSS" and "Smart cache for JavaScript" options in the back office under the "Performance" section.
  • Configuring server-level caching through .htaccess or your hosting provider.

Minify HTML, CSS, and JavaScript

Minification involves removing unnecessary characters, such as white spaces and line breaks, from code files. This reduces file size and improves page load speed. To minify in PrestaShop:

  • Enable the "CCC (Combine, Compress and Cache)" settings in the back office under the "Performance" section.
  • Use online tools or plugins to minify your HTML, CSS, and JavaScript files prior to uploading them to your PrestaShop store.

Implement Content Delivery Network (CDN)

A CDN is a network of servers distributed globally, which caches and delivers website content from the closest server to the user's location. To implement a CDN in PrestaShop:

  • Choose a reliable CDN provider that offers integration with PrestaShop.
  • Follow the setup instructions provided by the CDN provider to configure and integrate the CDN with your store.

Optimize Database Queries

Inefficient database queries can also contribute to slower page loading times. To optimize database queries in PrestaShop:

  • Use relevant indexes on frequently accessed columns.
  • Avoid unnecessary JOINs or complex subqueries whenever possible.
  • Regularly clean up unused data and optimize database tables.


By implementing these techniques and best practices, you can significantly improve the PageSpeed of your PrestaShop store. Faster loading pages not only enhance user experience but also have a positive impact on conversion rates and search engine rankings.

OptiPic allows you to speed up all CMS, frameworks and self-signed sites
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