Page load speed analysis

  • 59/100

    Normal result
  • 6

    Successful tests
  • 2

    Failed tests
  • First response

    1 sec

  • Resources loaded

    3.9 sec

  • Page rendered

    145 ms

  • Total page load time

    5.1 sec

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We analyzed page load time and found that the first response time was 1 sec and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Page optimization

  • HTML 77.8 kB
    Images 381.5 kB
    Javascripts 341.4 kB
    CSS 468.2 kB

    In fact, the total size of main page is 1.3 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. CSS take 468.2 kB which makes up the majority of the site volume.

    • Original 77.8 kB
    • After minification 72.2 kB
    • After compression 18.4 kB

    HTML optimization

    HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 59.4 kB or 76% of the original size.

    • Original 381.5 kB
    • After optimization 326.8 kB

    Image optimization

    Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, Cart Decathlon needs image optimization as it can save up to 54.7 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

    • Original 341.4 kB
    • After minification 341.0 kB
    • After compression 101.5 kB

    JavaScript optimization

    It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 239.9 kB or 70% of the original size.

    • Original 468.2 kB
    • After minification 322.8 kB
    • After compression 63.2 kB

    CSS optimization

    CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. needs all CSS files to be minified and compressed as it can save up to 405.0 kB or 87% of the original size.

Network requests diagram

  • ckout
  • eAF7sqpgb-jyGdIAFrMEaw__;jsessionid=2s1XWVwbFsLwQwvL11NhgSrgs3crPZk4dZTJmbrmBJLsBnLZ0H17!964796878!691935085
  • 3_3_2.SR1org.ajax4jsf.javascript.AjaxScript
  • skinning.js
  • jquery-1.4.4.min.js
  • mobile.js
  • json2.js
  • jquery.currency.js
  • defaults.css
  • skeleton-base.css
  • skin-base.css
  • cart.css
  • colorbox.css
  • general.css
  • general.css
  • texts.css
  • general.css
  • general.css
  • acc-general.css
  • mobile.css
  • modernizr-1.6.min.js
  • jquery.cookie.js
  • tagCommander.js
  • tc_decathlon_br_1.js
  • style-padrao-cart-decathlon.css
  • dktl-action-cart.js
  • headerAndFooter.js
  • cookie.utils.js
  • slider.js
  • SessionCam-tag-v4-1.js
  • gmogs_image_125-50_en_dblue.js
  • tc_decathlon_br_3.js
  • plugins.js
  • colorbox-func.js
  • cart.js
  • acec.js
  • jquery.colorbox-min.js
  • eAF7sqpgb-jyGdIAFrMEaw__;jsessionid=2s1XWVwbFsLwQwvL11NhgSrgs3crPZk4dZTJmbrmBJLsBnLZ0H17!964796878!691935085
  • gtm.js
  • vantagensdecathlon2016.png
  • gs_noscript_125-50_en.gif
  • img_46844.png
  • selos-mobile-all.png
  • logo.png
  • avantgardeitcbybt-demi-webfont.woff
  • cart-carrinho.png
  • cart-identificacao.png
  • cart-entrega.png
  • cart-pagamento.png
  • cart-confirmacao.png
  • ckout-spr_20130226-1.png
  • sessioncam.recorder.js
  • updateItems.xhtml
  • common-s82e99cfb25.png
  • dktl-action-cart-products.js
  • updateItems.xhtml
  • analytics.js
  • conversion_async.js
  • a.js
  • tracking.js
  • general-spr_20130327-1.png
  • sprite-colorbox.png
  • ajax-loader.gif
  • safe-cart-decathlon.png
  • icons-cart-safe.png
  • activityi;src=4787373;type=invmedia;cat=afwfdghe;ord=5443351809727;
  • config.aspx
  • collect
  • collect
  • 143116
  • 32025
  • 47601
  • webpush-client-loader.min.js
  • s.gif
  • ecommerce.js
  • collect
  • aHR0cDovL2NhcnQuZGVjYXRobG9uLmNvbS5ici9ja291dC8=
  • get.php
  • aHR0cDovL2NhcnQuZGVjYXRobG9uLmNvbS5ici9ja291dC8=
  • ga.html
  • collect
  • ga-audiences
  • v1.js
  • v2
  • tag.php
  • aHR0cDovL2NhcnQuZGVjYXRobG9uLmNvbS5ici9ja291dC8=
  • local
  • ld.js
  • zanox.js
  • s.gif
  • md5.js
  • event
  • dis.aspx
  • loading-cart-cross.gif
  • sprinkle
  • 3163DAD81359EAC9305E
  • 4665001E70F37F9FC8CD

Our browser made a total of 106 requests to load all elements on the main page. We found that 11% of them (12 requests) were addressed to the original, 40% (42 requests) were made to and 8% (9 requests) were made to The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source

Additional info on


The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cart Decathlon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 43 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.











Possible request optimization













Normal result


As for redirects, our browser reached this domain in two steps. The first redirect led to, then it was forwarded to, and finally we managed to open this domain. We strongly recommend that the redirects should be reduced, as the more redirects a site has, the slower it loads.

IP address

This IP address is dedicated to This is the best domain hosting practice .

Good result

IP Trace

DNS records

Type Host Target/ip TTL Other
A 600
CNAME 21600

Language and encoding

Normal result


N/A  language flag


PT pt language flag





Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Portuguese. Our system also found out that main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

HTTPS certificate

SSL Certificate has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Poor result

Visitor World Map

Country of origin for 98.8% of all visits is Brazil. Unfortunately, we cannot track the location of server and thus cannot define if the distance between their user base and server can potentially affect the page load time

Good result

Poor result

Social Sharing Optimization

Open Graph description is not detected on the main page of Cart Decathlon. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks:

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