Add-on - Preload

The add-on is designed to meet the requirements of the Google search engine in the matter of preloading the files of used fonts and images when loading store pages, due to which the site receives additional points in assessing the download speed according to Google PageSpeed Insights, which becomes very important with fine optimization of the site loading speed.

Please select used CS-Cart core license edition where you plan to use add-on. Attention: price is different for different license types, as well as add-ons package)
Please enter a valid addres(es) of the shop where you are going to use the add-on. If you purchase the add-on for multiple stores, specify all the store addresses, separated by commas. Do not use localhost and non existing site names!
Please select paid version if you want to get updates after 6 month releases
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The add-on is included in the SpeedUP add-ons package for CS-Cart projects (supplied free of charge as part of the package).

What problems does the Preload add-on solve?:

  • Provides technical implementation of preloading font files (direct requirement of the Google PageSpeed Insights audit service); 
  • Ensures that image files are prioritized when loading pages (improves FCP / LCP metrics, the importance of which has been repeatedly emphasized in Google's announcements of a change in search ranking algorithms in 2021)

Fonts Preload

The functionality boils down to the ability to specify a list of links to the fonts used by the storefront, the font format and the need to automatically add a time stamp and font processing status. All fonts with an active status added to the preload will be preloaded on page load, & nbsp; using Preload (regardless of their use), & nbsp; which will speed up page loading in general and solve the item of speed audit requirements from & nbsp; Google PageSpeed Insights & nbsp; (which seo experts consider one of the most significant metrics for assessing page load speed).

Prioritizing image loading when loading site pages

The module provides preloading of graphic files that are used by pages in the upper visible part of the site. Providing higher levels of stability of the layout on page load as well as faster rendering of important page content allows you to improve UX, your store will receive better speed ratings, and, therefore, & nbsp; and position in the search results.

How many additional points on Google PageSpeed Insights will give add-on?

On our demos, the module on different pages gives an additional 20 to 30 points in the assessment. (Metrics may vary from site to site, the developer cannot guarantee how many rating points your site will additionally receive.)

Look how preload add-on works in this short video

CS-Cart type:
  • CS-Cart Ultimate (or CS-Cart)
  • CS-Cart Multivendor
Functionality purpose:
  • SEO
СS-Cart version compatibility:
  • 4.11.2
  • 4.11.3
  • 4.11.4
  • 4.11.5
  • 4.12.1
  • 4.12.2
  • 4.13.1
  • 4.13.2
  • 4.13.3
Needed changes in CS-Cart system files :
Enabled update period:
  • 6 months (a paid renewal is available upon expiration)

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AB dev team guarantees limited technical support to customers through its own technical support system. In order to use the technical support, authorize on the site and click the "Support" button.

Support includes:
  • Author's answers to the technical questions of the work of the solution
  • Help in solving bugs and problems
  • Release of versions, that support new versions of CS-Cart as well as fixing bugs and issues
Support does not include:
  • Customization services
  • Installation services
  • Adaptation services for working with third-party solutions and modules
  • Update services



A complete list of technical support conditions look here

Release #10
v1.3.3 from 03-Nov-2021
Bug fixes:
[!] YoupiTheme. Background image of banners was not preloaded. Fixed.
[!] "WebP images" add-on. Logo was preloaded in original format (not WebP). Fixed.
Release #9
v1.3.2 from 08-Oct-2021
Bug fixes:
[!] Images with Cyrillic names violated work of analyzer. Fixed.
[!] UniTheme2. Hidpi add-on. When theme setting "Change product main image when hovering mouse pointer over variation icon" was active, on Retina screens standard images were used instead of high quality. Fixed.
Release #8
v1.3.1 from 25-Jun-2021
Release video:

New features and improvements:
[+] Added compatibility with “AB: Fast navigation” add-on version 1.10.0 and higher, where a new setting "Enable preload" was added to fast navigation block.
[+] YoupiTheme. Added settings of preload.
[+] Added compatibility with “AB: Video gallery of the product” add-on version 2.5.0 and higher.
[+] UniTheme2, YoupiTheme. Added preload of subcategories images.
[+] UniTheme2, YoupiTheme. Added settings of preload of subcategories images on the page "Theme settings → "Add-ons" tab".
[+] “AB: SEO pages for filters” add-on version 7.5.1 and higher. Added preload of SEO pages for filters at subcategories block.
[+] UniTheme2, YoupiTheme. Added theme settings "Percentage of view area" for subcategories and product lists on the page "Theme settings → "Add-ons" tab", with a possibility to set for each device separately.
[+] UniTheme2, YoupiTheme. Added settings "Percentage of view area" into banners block, with a possibility to set for each device separately.
[+] UniTheme2, YoupiTheme. "Fast navigation" add-on. Added settings "Percentage of view area" into the block "AB: Fast navigation", with a possibility to set for each device separately.

Functionality changes:
[*] Setting of a block with banners "Disable Lazy Load for the first banner" was renamed on "Preload the first banner".

Bug fixes:
[!] UniTheme2. Basic graphic banners were not preloaded in the template “AB: Advanced banner (Carousel)”. Fixed.
[!] UniTheme2, YoupiTheme. Banner was not preloaded if background image was not specified for it. Fixed.
[!] “HiDPI displays support” add-on. Incorrect images could be preloaded. Fixed.
Release #7
v1.3.0 from 12-Apr-2021
Pay attention!
Add-on works with YoupiTheme from version 4.12.2.d and UniTheme2 from version 4.12.2.e.

New features and improvements:
[+] Added the ability to preload images dynamically.
[+] UniTheme2. On the page “AB: UniTheme2 -> Theme settings -> tab “Add-ons” added preload settings of images.
[+] Added automatic preload for product lists, main product image, main blog image.
[+] UniTheme2. For templates “AB: Advanced banner (Carousel)” and “AB: Advanced banner” added the setting “Disable Lazy Load for the first banner”.
[+] YoupiTheme. For template “AB: Advanced banner (Carousel)” added the setting “Disable Lazy Load for the first banner”.
Release #6
v1.2.0 from 17-Dec-2020
New features and improvements:
[+] Added compatibility with CS-Cart 4.12.1.
Release #5
v1.1.2 from 29-Sep-2020
Bug fixes:
[!] Duplication of fonts loading occured when log on files of styles by conditions. Fixed.
Release #4
v1.1.1 from 15-May-2020
New features and improvements:
[+] Added Ukrainian language support.

Bug fixes:
[!] Preload fonts with the timestamp were loaded twice when the buttons “Theme editor”, “Edit content on-site” or “Edit content on-site” on the page “Administration panel -> Design -> Themes” were used. Fixed.
[!] Duplication of fonts loading could occur on the multistores websites. Fixed.
Release #3
v1.1.0 from 05-Feb-2020
New features and improvements:
[+] Added the addon setting "Add font-display for style fonts".
[+] Added UpgradeCenter/Connector for the next updates.

Bug fixes:
[!] On a storefront was displayed links from all stores. Fixed.
Release #2
v1.0.2 from 04-Feb-2020
Bug fixes:
[!] On a storefront was displayed links from all stores. Fixed.
Release #1
v1.0.1 from 21-Jun-2019
New features and improvements:
[+] Added privileges;