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Salut à tous, Voici le dernier module de ma production. Celui-ci s'attaque au plus gros soucis de tout propriétaire de site Internet, les performances. J'ai donc décidé de produire un module utile et très simple d'usage, à la portée des non initiés. Ce module va pouvoir intervenir sur 4 points en toute indépendance : Application du Lazy Loading natif des navigateurs modernes Possibilité d'étendre le LazyLoading natif aux anciens navigateurs ne possédant pas cette option Ajout automatique des dimensions des fichiers image pour améliorer le CLS Remplissage automatique des balise ALT vides ou absentes Préchargement des pages avant leur visite à la demande du visiteur Preconnexion aux services externes Cela peut faire peur à tout le monde, j'ai donc joins une FAQ très complète qui devrait répondre à toutes les questions des utilisateurs de ce module. Pour ceux qui connaissent déjà mes productions, vous savez que j'attache une très grande importance à la cohérence et à la simplicité pour que tout le monde puisse tirer la pleine capacité de sa boutique PrestaShop. Ici, le module s'installe et ne touche pas au code source de votre site mais arrive à travailler avant que la page ne soit affichée, ainsi pour la Lazy Loading, toutes les images de votre site seront traitées même si elles ne sont pas intégrées de base à votre Template qui peut intégrer ces méthodes de chargement des images à l'aide de javascripts, ce qui est moins performant puisque le traitement intervient côté client après que le contenu soit créé. TÉLÉCHARGER LE MODULE Démonstration TÉLÉCHARGER LE MODULE

Hi, This is the last module of my production. This one addresses the biggest concern of any website owner, performance. So I decided to produce a useful and very easy to use module, within the reach of the uninitiated. This module will be able to intervene on 4 points in total independence: Delayed loading of images Application of Lazy Loading native to modern browsers Preloading of pages before their visit at the request of the visitor Preconnection to external services This can be scary for everyone, so I have attached a very comprehensive FAQ that should answer all questions from users of this module. For those of you who already know my productions, you know that I attach great importance to consistency and simplicity so that everyone can take full advantage of their PrestaShop. Here, the module installs itself and does not touch the source code of your site but manages to work before the page is displayed, so for the Lazy Loading, all the images of your site will be processed even if they are not integrated in your Template which can integrate this method of loading images using javascript, which is less efficient since the processing takes place on the client side after the content is created. DOWNLOAD ADDONS DOWNLOAD ADDONS

Hi, My prestashop website runs on VPS but still is very slow. When I tested my website with google pagespeed insight, it shows a lot of problems with render blocking js and optimization of css. It shows the following about my website. Can anyone help me with these issues. Eliminate render-blocking JavaScript and CSS in above-the-fold content Your page has 26 blocking script resources and 27 blocking CSS resources. This causes a delay in rendering your page. http://www.lifegoeasy.com/js/jquery/jquery-1.11.0.min.js http://www.lifegoeasy.com/js/jquery/jquery-migrate-1.2.1.min.js http://www.lifegoeasy.com/js/jquery/plugins/jquery.easing.js http://www.lifegoeasy.com/js/tools.js http://www.lifegoeasy.com/themes/default-bootstrap/js/global.js http://www.lifegoeasy.com/…ootstrap/js/autoload/10-bootstrap.min.js http://www.lifegoeasy.com/…/autoload/15-jquery.total-storage.min.js http://www.lifegoeasy.com/…s/autoload/15-jquery.uniform-modified.js http://www.lifegoeasy.com/…uery/plugins/fancybox/jquery.fancybox.js http://www.lifegoeasy.com/…gins/autocomplete/jquery.autocomplete.js http://www.lifegoeasy.com/…ap/js/modules/blocksearch/blocksearch.js http://www.lifegoeasy.com/…tstrap/js/modules/blockcart/ajax-cart.js http://www.lifegoeasy.com/js/jquery/plugins/jquery.scrollTo.js http://www.lifegoeasy.com/…js/jquery/plugins/jquery.serialScroll.js http://www.lifegoeasy.com/…uery/plugins/bxslider/jquery.bxslider.js http://www.lifegoeasy.com/…ult-bootstrap/js/tools/treeManagement.js http://www.lifegoeasy.com/…odules/blockwishlist/js/ajax-wishlist.js http://www.lifegoeasy.com/js/jquery/plugins/growl/jquery.growl.js http://www.lifegoeasy.com/…p/js/modules/homeslider/js/homeslider.js http://www.lifegoeasy.com/js/oneallsociallogin.js http://www.lifegoeasy.com/…inicmailchimp/views/js/minicmailchimp.js http://www.lifegoeasy.com/modules/blockfacebook/blockfacebook.js http://www.lifegoeasy.com/…s/modules/blocktopmenu/js/hoverIntent.js http://www.lifegoeasy.com/…es/blocktopmenu/js/superfish-modified.js http://www.lifegoeasy.com/…/modules/blocktopmenu/js/blocktopmenu.js http://www.lifegoeasy.com/themes/default-bootstrap/js/index.js

Dear Prestashoppers, Our site is on Prestashop 1.6.0.9, default theme. Testing our site with Google pagespeed we have this warning: ' JavaScript and CSS content above the fold that block the view, delete'. The warning is related to items below. We experimented with performance setting in backoffice. ( ccc on/off, cleared smarty cache, regenerated .htaccess ) but could not get the desired results. Backoffice setting "defer Java to the end" on or off does not make difference: warning stays.... Spent many hours exploring the forum to find the answer to solve this .... What should we test to find the issue ?our URL : www.derks-wielersport.nl https://www.derks-wielersport.nl/themes/default-bootstrap/cache/v_648_1371fc95776a82eb0e209171a65b7838.js https://www.derks-wielersport.nl/themes/default-bootstrap/cache/v_909_59872eb855948a3a46ede80d5ceea97e_all.css

According to GT metrix there are a few javascript issues that I wouls like to solve. Recently I removed the "async" hack from my website and now that "defer parsing of javascript" comes up again together with some other javascript issues: ------------------------------------------------------- Also on pingdom I see two errors of which I do not know how to handle: (I see a double slash at the end...?) -------------------------------------------------------- Any help and/or advice is much appriciated. Or is it better to leave this for what it is and if so, why?