Prestashop speed optimization: how and to whom should you entrust bug correction?

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How to perform PrestaShop performance speed optimization.

Although this is an important factor to consider in order to increase sales, the loading speed of an online store is also crucial. Half of users will leave an online store if it takes more than 3 seconds to load. It is difficult to determine the impact of loading speed on sales without having a minimum of technical knowledge. It is difficult to predict how much you can earn from the performance of your online store. It is possible to predict the trend of increasing site performance.
Smarty is used by PrestaShop to interpret your theme files and display them. To see the changes made, you need to compile the data and clear your cache while in development. PrestaShop will reload your site on each page load, so the settings in production (see screenshot). In the admin - Advanced settings - Performance - Smarty. Check "Never recompile template files". Click "Cache" to confirm. Once you learn the importance of loading speed for your sales, you can just put it into practice. Recommendations may also apply if you are using a different version.
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Optimization of product images on your PrestaShop site to speed up loading speed

Images can have a powerful effect on your website visitors. Images can be used to create a logo, icons, or simply to illustrate a product. To give users a clear view of the item, product images should be added to every landing page. The speed and performance of your website will be affected by the quality and size of the images. You should not ignore areas where other images may work well. Instead of using images, use attractive icons to highlight features or options. For landing pages, products, posts, etc. You can optimize images using different formats. A JPEG file will always be smaller than a PNG image. CompressJPEG can be used to reduce image weight.
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Why optimize the loading speed of your Prestashop site?

The purpose of an online store is to sell. If your site takes too long to load, users will go elsewhere. Three seconds seems like the limit at which you can lose half your customers. Users simply leave the store after a few seconds. Optimizing the loading speed of your Prestashop site is essential. You will lose customers if your site is slow, or slower than your competitors' sites. Understanding how a web page is displayed is crucial to understand what factors influence the loading speed of your Prestashop site.
The loading speed of your online store is crucial for its success. PrestaShop comes with several performance-related settings. These settings can be used to increase the speed and responsiveness of your store. There are also many other ways to make PrestaShop stores very fast. It is important to remember that website loading speeds are crucial for many reasons. Google now takes this into account when ranking sites. 40% of users abandon a site that takes more than 3 seconds to load. Here are the essential tips and guides that will help you to speed up the Prestashop 1.7 store.
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Why CDN for PrestaShop store speed optimization?.

Your website may need to load faster if you have an online store that is located in different parts of the world. If you host your website remotely or need to target audiences far away from your hosting server, the loading speed may decrease. A Content Delivery Network (CDN) is recommended to ensure consistent website speed and performance worldwide. A CDN can improve the performance of a website. Since all content is served through a CDN, it reduces server response times when loading websites. To configure a CDN in PrestaShop, you can use MetaCDN or MaxCDN. You can load images, css and javascript from multiple servers using media servers or CDN (Content Delivery Network). You have three domains. Just indicate them in the fields and your content will be loaded simultaneously by 3 different servers. This is called distributed bandwidth. You have 3 subdomains. Just indicate them in the fields and your content will be loaded simultaneously from the 3 subdomains. You won't get more bandwidth, but you will get more concurrent downloads. Production settings In the admin Advanced settings Performance Media server Fill in the 3 fields with subdomains or domains.
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What are our PrestaShop window optimization tips?

Online shopping is more convenient than offline shopping, but people are less patient. Users expect instant feedback after clicking on links. Your site will be less popular if they wait too long. Online stores that optimize their e-commerce sites better make more money. PrestaShop offers you many tools to optimize the performance of your store. We are going to share with you some tips on how to do it. The 3 Cs rule plays a crucial role in speeding up your website. The compression function compresses the CSS and JavaScript of your PrestaShop store. It then combines and caches them to optimize website performance. The three actions of compressing and combining with caching resulted in a shorter website loading speed so that users could respond to the site faster. If the JavaScripts and CSS files are loaded separately, the website may receive multiple requests.
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What factors affect the loading speed of Prestashop?

The request to load the requested page is sent to the server when the user clicks on a link or a product image. The time the server takes to respond to the request depends on many factors, such as network quality, geographic distance, or the presence of caches. During this phase, the server processes the request and returns a response. The processing time for simple HTML pages will be very short. Just return the HTML file without any calculation. It will be longer if the page is more complicated, such as the details of a particular product or the contents of the shopping cart, for example. The server will need to call the database, perform all the calculations and generate the page. The user's response should go in the opposite direction. It does not necessarily have to follow the same path. The speed at which the response travels will depend on the speed and connectivity of the networks.
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Can a cache optimize the speed of Prestashop?

The implementation of a cache module is crucial. They can reduce page load times by several seconds and, in some cases, significantly reduce server load. Because cached files represent only a small portion of server resources, they can be delivered quickly. Not all caching modules work well. Although there are plenty of free options, serious online stores should consider purchasing a premium option such as JPresta Page Cache or xtendify Express Cache. You are always on the same wavelength. There are many options that can make your online store even more successful. Never recompile template files. This option should only be enabled if no changes are made to the current design. This button will be enabled if you make changes to your .tpl files. We recommend the following configuration. If the model files have been updated, you can recompile them: Yes. Set Smarty Cache to Yes. Yes, clear the cache after each modification. This configuration will clear the cache after each change, and allow your customers to see the latest changes made to your website.
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How to optimize the speed of your Prestashop site in 3 easy steps?

1- Measure site performance. It is essential to perform a site performance audit before attempting to optimize anything. This can be done using several free tools. Pingdom, GTmetrix and PageSpeed Insights are the most popular free tools. 2- Server optimization. Prestashop hosting is based on the server you choose. A shared server is not necessary if you have a high traffic site. 3- Module management. Prestashop's feature set is built on modules. These are code segments that enhance the basic functionality of the store. Each module loads its own files and sends queries to the database. It is possible that a module is slowing down the loading speed of your site.
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How to speed up PrestaShop and CCC options?

The "Advanced Performance" menu of PrestaShop has some configuration options that can be useful. It's not a good idea to enable each option without comparing them. It's not uncommon for an option to slow down the site. It's best to test each option individually and then see how the site responds. You can use Page Speed Insight and GtMetrix to get this information. It's generally a good idea to enable the "smart stylesheet caching" and "javascript" features. Avoid "Compress JavaScript to HTML code". This will overload your server. Although "Move JavaScript code to its end" can give great results, it can cause server overhead.
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Prestashop speed can be increased by looking at your current situation.

It is important to assess your current situation before you start. What is your position in relation to your main competitors? How can you speed up your loading times? How can you optimize your load times to meet Google's requirements? Start by taking inventory of all the resources you have. This step can be difficult if you don't have the right skills. An SEO agency is the best choice in this situation. Professionals can help you improve your search engine rankings. The goal of the analysis is to reduce the amount of resources required while maintaining the quality and speed of display of your website (home page), and your content pages.
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Speeding up Prestashop: Google's PageSpeedInsights tool.

Google's PageSpeed Insights tool can be used to help you analyze your website's loading speed. Other tools are also available, but you should not overuse them. PageSpeed Insights can be used for all your tests. This allows you to limit fluctuations between tools. Another interesting aspect is that you can measure the speed and responsiveness of your website on both mobile and desktop versions using an index between 1 and 100. To maximize your search engine rankings, you should aim for a score of 100 for both desktop and mobile. It's a great way to quickly gain visibility! There are many tools that can measure loading time, as we have already mentioned. PageSpeed Insights provides valuable information to help you improve your speed and efficiency.
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Speed up Prestashop hosting.

Prestashop will work faster if you choose the right hosting. The reason is obvious: if your server is slow at first, it will be difficult to have pages that work well later on. Prestashop can be very greedy, so it's best to get dedicated hosting with at least 8 GB. Your loading speed can be significantly slowed if you share a server with other sites. The goal is to load in under 200ms (400-500ms is okay if you're not).
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Prestashop acceleration: DOM loading and bottlenecks.

The browser will load the HTML file along with all other files linked to it once it receives the response. Once all the files have been put together, the browser will need to interpret and execute the JavaScript to generate the final rendering of the page. It will be difficult to save time if calls to the server take several seconds and the response is returned in seconds. We do not have control of the network infrastructure and data transfer times may vary depending on the path chosen. It is difficult to control network quality, throughput and traffic at a time "t".
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Optimize Prestashop performance: Google AMP.

Google places the user experience at the heart of its concerns, especially with smartphones. Mobile users are more active than desktop users. Now we need to add page load speed to our list of responsive design challenges. The AMP plugin is your best friend in this huge challenge. Google launched the AMP (Accelerated Mobile Page) format in February 2016. It aims to make mobile web pages load faster. The screen displays only the essential elements. AMP mainly focuses on textual content and offers. Depending on the plugins used, there is the possibility of adding elements such as the share button to social networks.
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Increased Prestashop speed with css sprites, gzip compression.

A css-sprite is a collection of images in a single file. Google uses a css-sprite as an example. A visitor will only load one file when visiting your site. The server can process only one request, which is faster. You can also enable gzip compression to reduce the size of your site's files and the time it takes to display them in the browser. You can enable gzip compression by indicating the lines below in your .htaccess file located at the root of your web hosting.
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Prestashop - latest version of PHP - speed up and get rid of inefficient modules

If your theme or your Prestashop version is old, changing the php version may cause incompatibilities. You need to retest, but if you don't have a very recent version of PHP, make sure you're not using PHP versions earlier than 5.5.2. PHP version 7 is the best choice. The installation of PrestaShop 1.6 and 1.7 includes the activation of many additional modules. This list can be viewed by going to "Modules",=> "Modules and Services"=> "Installed Modules". You can disable or uninstall any modules you don't use. It is important to uninstall all the modules that you have installed on your system.
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Prestashop acceleration: javascripts and file requests

Script tags in your pages block them from loading until they are fully loaded. It is important to choose to: Place scripts at or near the end of your code, usually before the body tag. Scripts must be loaded asynchronously. Avoid calling the same file twice. Indeed, it takes more time to load the same file twice. Here is what happens when you load this file. Load only the elements visible on the screen It is preferable to first load only the elements visible on the screen. Then load the others as they become visible. Modules are available on the Addons platform and allow you to do all of this.
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Optimization of Prestashop performance thanks to Memcached or OPCache

Memcached allows you to cache the results of PHP queries to the database. If a query has been cached at least once (for example, the product listing on your homepage), it will not be cached again. Executed again. The cache will fetch the result and no new database calls will be made. This will save you precious seconds. Sometimes PHP processing and requests can take a long time. OPCache, a PHP cache that stores some processing results, is available. It caches the result of PHP code that is repeated to produce the same result. This PHP code can be executed multiple times to build the same result. The server will cache the result, which is much faster.
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Which PrestaShop modules can increase the loading speed?

I am not against installing many modules in PrestaShop. They will improve the speed of the site, but they will also weigh it down. Observation: You can improve performance without having programming knowledge. There are many ways to improve the performance of PrestaShop, some of which will be discussed in this article. To avoid wasting time on unnecessary points on websites, it is best to optimize PrestaShop on a case-by-case basis.
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Boost Prestashop Speed with Database

Performance can be hampered by the database. It stores all the important information on the site and must be retrieved in order to build the pages. It is important to optimize the database. For a medium-sized Prestashop site, the tables with the most data should not exceed 100MB. Large e-commerce sites may have tables up to 200MB, but very rarely more. If your database is growing abnormally, you should run optimizations with the built-in Prestashop plugin. That should be enough most of the time. If this is not the case, do not hesitate to contact a specialist.
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