Prestashop lot of error fixed by this. 
Installed module and site  prestashop and 502 Bad Gateway error displayed

Display “Add to cart”  button with  quantity field.   in products list , home page , search page products categories and all catalog . module configuration many option . fast orders . Latest module

Advanced lazy load is amazing  to speed up your website which powered by . then load images in your website, in this case will help reduce the loading time

Affiliate marketing focusing on increasing your sales and profit, in Sweden and internationally

This is a module that we really think should be Prestashop standard function. Let me explain why this is a MUST HAVE MODULE, if you make changes on your frontend now and then

Custom Background Changer is a simple way to change separate background color or image for each page.

Beautiful email templates for prestashop 1.5, prestashop 1.6, prestashop 1.7, prestashop 8.x . 
 Encourage visitors to complete purchases .

PageSpeed: browser caching Page load times can be significantly improved by asking visitors to save and reuse the files included in your website.

Accepting payments via credit card, debit card, netbanking or popular mobile wallets for your downloadable items today. Quickly and safely integrate the EDD with the Indian payment gateway CCAvenue with this module.

This one of the best module to Change the currency symbol and position with language .

 you need to change the dollar symbol into any other symbol or letter add in module configuration.

Prestashop CMS page gallery and store details with easy short code implementation. Prestashop CMS Shortcode Gallery module comes with one click installation and gives flexibility to place these short codes anywhere in your CMS pages. You can place multiple gallery in one pages and/or you can place same gallery accross the many CMS pages using a simple shortcode.

All in one - Protection module provides various ways to protect the contents of your website. your website protected with in 2 second by this module.

Customize your Prestashop site’s appearance by easily adding custom CSS and JS code without even having to modify your theme or plugin files. This is perfect for adding custom CSS tweaks to your site.

PDF Invoice extra fields and extra content on your invoice PDF can arise depending on your business model. In PDF Invoice, you can add extra fields to your invoice to provide information

This module delete order option and all orders delete option and  Shopping Carts and with no trace left. Very useful for cleaning and preparing shop for production environment

This module allows you to disable and Enable  a product by  countries. A easy to use module to disable show specific products for specific countries in store front.

An easy to use module to disable show specific category for specific languages in store front. In Backoffice Every category have a disable or enable category by multi language 

Duplicate products feature value remove and backoffice product loading error fixed .

Prestashop lot of error fixed by this. 
This code solved DisplayPositions getting Error 500 , Prestashop module postions error fixed.

PrestaShop Estimated Shipping Per Product allow you to display estimated delivery date per product. You can display estimated delivery date on product page...

This is the original Facebook Pixel module that helps PrestaShop store owners quickly integrate multiple fb pixels, add more pixel events and data, and optimize for more conversions. Facebook Pixels is great module.

Display Featured Products by category Home page Product page bottom and every page left right column with responsive and slider. Best module to Show product's

Display your Instagram photos and videos on PrestaShop home page and left right column and other page's in minutes with an easy setup.
This module allows you to show the last photos of an Instagram user or hashtag. Super easy to install and fully responsive.

GA4  Google Analytics shows you the full customer picture across ads and videos, websites and social tools, tablets and smartphones. That makes it easier to serve your current customers and win...

Enable Google Analytics + Google Tag Manager on all pages without tracking your own visits. You can exclude any logged in user as well as ignore a device completely by setting a cookie.

Google Analytics shows you the full customer picture across ads and videos, websites and social tools, tablets and smartphones. That makes it easier to serve your current customers and win...

This module was created in response to the problem that sites are experiencing with Universal Analytics where cookies are blocked and analytics are left without data. Allows measuring ecommerce events that are not collected in a predefined way

Google Tag Manager  module allows you to integrate Google Tag Manager on your PrestaShop site so that you can track and gather valuable visitor data from your website and make...

Best customer rating and review module for Prestshop, and increase your conversion rate significantly! ,  Easily add the badge and orders confirmation module on your shop

Google Language Translator is the best PrestaShop Translation module available for translating your website into over 105  different languages. simple install and working

Automatically compress product images and use advanced JS/CSS minification options to improve your website performance and get higher score in Google PageSpeed Insights.

Fast and optimized pages lead to higher visitor engagement, retention, and conversions. Increase page load speed.
The Page Speed Module help you to get a passing grade in Google Page Speed Insight.

GZIP compression is bundling (zipping) pages on a web server before the page is sent to the visitor.This saves bandwidth and therefore increases the loading speed of the page significantly.

PrestaShop Static HTML Block module allows you to create custom HTML blocks to display special information such as text, widgets, custom CSS/HTML or other stuff. You can add special blocks in footer, header, CMS pages or any other page in the left/right columns, with the ability to add CSS effects.Improve SEO and site information

Display your Instagram account and let your users to browse and follow it just on the site. Customize the module to get the most organic look.

Display Instagram Feed & Slider with NEW API , user and hashtag . Display your awesome Instagram images on your store front with our module with NEW API . Best latest module and mobile responsive.

Intercom.io customer communication platform with a suite of integrated products for every team – including sales, marketing, product, and support.

Lazy Loading will increase website speed by loading all the images after your website load completely on customer's end.
Show Animated GIF Image during the loading of your website with each product. You can set time interval to delay in loading images

Page load times can be significantly improved by asking visitors to save and reuse the files included in your website

MailChimp Sync for Prestashop customers and Newsleter subscribers . Automatically subscribe customers to your MailChimp list.

 Mass product Friendly URLs regenerate Regenerate missing products & images links - by shop and language - PrestaShop . This module a few languages added to your shop and since Product Friendly URL generate by shop and language, now I would like to generate SEO. missing product images url and product url generate , Missing products link generate  automatically. 

Minify HTML CSS JS is a very small and efficient extension. It will minify HTML including inline CSS and JS code.

Minify HTML Module will compress your HTML by shortening URLs and removing standard comments and whitespace; including new lines, carriage returns, tabs and excess spaces.

Display New Products in Home page Product page bottom and every page left right column with responsive and slider. Best module to Show New product's

All checkout steps appear together on a single page for customers to modify any step at once.Responsive and flexible checkout page designSupport All Payment Methods

Change any starting numbers & prefixes for all types of store documents such as invoices, orders, shipments, credit memos with 


 

PageSpeed insights  reduce loading time of your website. Automatically compress product images and use advanced JS/CSS minification options to improve your website performance...

This module allows you to add columns from various listings in Prestashop back office orders. You can control which columns to hide and also add some extra columns. Current version of this module has the following features:

Prestashop Clean URL's - remove ID's language prefix from URL. PrestaShop Seo URL Module SEO friendly your website and removing auto generated IDs/numbers from URLs of your products, categories, manufacturer & other pages. auto redirects old URLs to new URLs

Overview

An easy to use module to disable show specific category for specific languages in store front. In Backoffice Every category have a disable or enable category by multi language 

Newsletter Popup is a powerful and flexible module create lightbox popups that help you get more newsletter subscribers, promote new products, deliver special offers. 

Promotion Popup module displays an advertisement pop-up containing image and text on the website. If the user didn’t close the Ad manually then Ad will automatically close after a time interval set by you

Display Grid and List responsive banners in Home page , Left and Right column like banner and slider . Add custom HTML, banner images and sliders anywhere on your site.

Optimize the natural SEO of your site on all search engines by this modules and you see what is SEO issue in your website products
Find comprehensive search engine optimization (SEO) tools for your site.

Prestashop Watermarks Easily add stickers, logos and texts on your product photos . Boost sales for store with labels, stickers, tags and badges

This module easy to add price .00 and remove in price . Price decimal module also allows store admin to change or delete the decimal number in a price, that displayed in the frontend and backend of your store.

Display responsive Product banners product page by category see banners in products when click on the banners , open Form and Upload Image by customers and customers other details . Display customers added Details in Module by banner. 

This module which allows customers to download product data. Either a button on each product page, or a link to download product data sitewide which would include prices, descriptions, image links, skus, etc

Easy-to-use PrestaShop banner manager enables you to show product list banners on product or category pages to stimulate customers add items to cart

PS SpeedUp is a great plugin to implement to install and forget about the page load speed issues

Display user's recently viewed products in Home page Product page bottom and every page left right column with responsive and slider.

Remove Corrupted images and Broken images  module removed , Corrupted  in frontend product page and all other pages and display coming soon image . this is best module to replace corrupted image to professional image.

Request a quote module is designed for small business owners to receive request for quotation or request for information from customers. and contact us option send and received email

Activate the module for smooth scrolling and smooth "back to top" feature.

Avoid duplicate content and improve your SEO . Using the canonical tag prevents problems caused by identical or "duplicate" content appearing on multiple URLs

Fix Serve Static Content From a Cookieless Domain And Keep-Alive Warning. in your website. One easy way to fix this warning is to use this module.

This module allows you to add social media floating sidebar icons which can be connected with your social media profiles.

Top Banner module makes it easy to display a simple announcement, sales , special offers banner or bar and links to sales and offers products in your website.

Display completely customizable, responsive and search engine crawlable versions of your Twitter feed on your website. Completely match the look and feel of your site with tons of...

Custom Preloader it’s a Module for making your Website More Cool! This plugin runs when your Website Loads and hiding the front page until your browser download the Page Perfectly.

Ultimate super speed is a great module to install and forget about the page load speed issues and minimize page loading time, utilize server resource , save bandwidth and SEO optimization

Great Prestashop Whatsapp Contact Button lets your customers quickly contact you on your WhatsApp Number just by a single click. module.

Both www.example.com and example.com to working on your shop urls . and multipal shop working well .