Tools & Wizards About Us
centro.de screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    33% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 90% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

centro.de

Einkaufszentrum | WESTFIELD CENTRO

Page Load Speed

5.9 sec in total

First Response

340 ms

Resources Loaded

5.3 sec

Page Rendered

250 ms

centro.de screenshot

About Website

Welcome to centro.de homepage info - get ready to check CENTRO best content for Germany right away, or after learning these important things about centro.de

Entdecken Sie die großartigen Marken des Westfield Centro ! Finden Sie Informationen über die Öffnungszeiten Ihrer Geschäfte auf unserer Website.

Visit centro.de

Key Findings

We analyzed Centro.de page load time and found that the first response time was 340 ms and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

centro.de performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value1,440 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.306

38/100

15%

TTI (Time to Interactive)

Value15.5 s

7/100

10%

Network Requests Diagram

centro.de

340 ms

www.centro.de

978 ms

www.centro.de

2041 ms

slick.css

98 ms

slick-theme.css

190 ms

Our browser made a total of 91 requests to load all elements on the main page. We found that 96% of them (87 requests) were addressed to the original Centro.de, 1% (1 request) were made to Fonts.googleapis.com and 1% (1 request) were made to Code.etracker.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Centro.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 402.0 kB (28%)

Content Size

1.4 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Centro.de main page is 1.4 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. 35% of websites need less resources to load. Images take 891.4 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 42.6 kB

  • Original 52.5 kB
  • After minification 48.4 kB
  • After compression 10.0 kB

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 42.6 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 16.4 kB

  • Original 891.4 kB
  • After minification 875.0 kB

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. CENTRO images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 239.3 kB

  • Original 355.2 kB
  • After minification 340.0 kB
  • After compression 115.9 kB

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 239.3 kB or 67% of the original size.

CSS Optimization

-84%

Potential reduce by 103.8 kB

  • Original 123.7 kB
  • After minification 95.6 kB
  • After compression 19.9 kB

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. Centro.de needs all CSS files to be minified and compressed as it can save up to 103.8 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (38%)

Requests Now

87

After Optimization

54

  • Images
  • JavaScript
  • CSS

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CENTRO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

centro.de

centro.de

340 ms

www.centro.de

www.centro.de

978 ms

www.centro.de

www.centro.de

2041 ms

slick.css

slick.css

98 ms

slick-theme.css

slick-theme.css

190 ms

style.css

style.css

191 ms

centro.css

centro.css

194 ms

mega-menu.css

mega-menu.css

200 ms

override.css

override.css

190 ms

swfobject.js

swfobject.js

191 ms

jquery-1.8.2.min.js

jquery-1.8.2.min.js

474 ms

pluginpage.js

pluginpage.js

282 ms

jquery.pngFix.pack.js

jquery.pngFix.pack.js

285 ms

startteaser_breit.js

startteaser_breit.js

284 ms

javascript_c06d814e4e.js

javascript_c06d814e4e.js

284 ms

jquery-1.8.2.min.js

jquery-1.8.2.min.js

492 ms

hoverIntent.js

hoverIntent.js

376 ms

superfish.js

superfish.js

377 ms

ext-core.js

ext-core.js

491 ms

AC_RunActiveContent.js

AC_RunActiveContent.js

379 ms

main.js

main.js

489 ms

app_layer.js

app_layer.js

489 ms

slick.min.js

slick.min.js

489 ms

css

css

24 ms

trans.gif

trans.gif

106 ms

logo.jpg

logo.jpg

108 ms

centro_logo_print.gif

centro_logo_print.gif

103 ms

bt_finden.gif

bt_finden.gif

96 ms

Startseite_centro.de_futura.jpg

Startseite_centro.de_futura.jpg

467 ms

LoyaltyCard_off.png

LoyaltyCard_off.png

106 ms

LoyaltyCard_on_.png

LoyaltyCard_on_.png

190 ms

LoyaltyCard_Startseite_2.jpg

LoyaltyCard_Startseite_2.jpg

476 ms

KusmiTea_off.png

KusmiTea_off.png

192 ms

KusmiTea_on.png

KusmiTea_on.png

192 ms

KusmiTea_Startseite.jpg

KusmiTea_Startseite.jpg

418 ms

MoschMosch_off_4_01.png

MoschMosch_off_4_01.png

282 ms

MoschMosch_on_3_01.png

MoschMosch_on_3_01.png

286 ms

MoschMosch_Startseite_1_01.jpg

MoschMosch_Startseite_1_01.jpg

574 ms

Michael_Kors_Michael_Kors_off.png

Michael_Kors_Michael_Kors_off.png

416 ms

Michael_Kors_on.png

Michael_Kors_on.png

416 ms

Michael_Kors_Startseite.jpg

Michael_Kors_Startseite.jpg

750 ms

MAC_off_4.png

MAC_off_4.png

474 ms

MAC_on_3.png

MAC_on_3.png

482 ms

MAC_Startseite_1.jpg

MAC_Startseite_1.jpg

656 ms

Burgerista_off_4.png

Burgerista_off_4.png

569 ms

Burgerista_on_3.png

Burgerista_on_3.png

569 ms

Burgerista_Startseite_1.jpg

Burgerista_Startseite_1.jpg

677 ms

csm_abercrombie-_-fitch_01_7c6cf78aac.png

csm_abercrombie-_-fitch_01_7c6cf78aac.png

665 ms

csm_armani-jeans_069bfba0d0.png

csm_armani-jeans_069bfba0d0.png

662 ms

csm_JD-Sports_bad53b10a5.png

csm_JD-Sports_bad53b10a5.png

668 ms

csm_mammut_07a725668a.png

csm_mammut_07a725668a.png

749 ms

csm_sizzer_a47bb91a83.png

csm_sizzer_a47bb91a83.png

756 ms

csm_wellensteyn_01_3dbc5cada8.png

csm_wellensteyn_01_3dbc5cada8.png

757 ms

csm_Clarks_396f65a1e8.png

csm_Clarks_396f65a1e8.png

763 ms

csm_pull_bear_2dff91d891.png

csm_pull_bear_2dff91d891.png

772 ms

centro_app_icon.png

centro_app_icon.png

840 ms

icon_appstore.gif

icon_appstore.gif

841 ms

icon_google_play.gif

icon_google_play.gif

849 ms

instagram_teaser_icon.png

instagram_teaser_icon.png

945 ms

t.js

t.js

314 ms

facebook_teaser_icon.png

facebook_teaser_icon.png

856 ms

youtube_teaser_icon.png

youtube_teaser_icon.png

776 ms

Centro_Geschenkkarte_Startseite_mitRahmen_880x370.jpg

Centro_Geschenkkarte_Startseite_mitRahmen_880x370.jpg

933 ms

cnt_js.php

cnt_js.php

207 ms

hg_oben_958x36.jpg

hg_oben_958x36.jpg

594 ms

hg_mitte_958x1.jpg

hg_mitte_958x1.jpg

598 ms

icon-top-de-active.png

icon-top-de-active.png

609 ms

icon-top-en.png

icon-top-en.png

621 ms

icon-top-nl.png

icon-top-nl.png

686 ms

bg_navi_home.jpg

bg_navi_home.jpg

691 ms

bg_layer_service.png

bg_layer_service.png

696 ms

layer_service_icons_1.png

layer_service_icons_1.png

704 ms

FUDHvzEKSJww3kCxuiAo2A.ttf

FUDHvzEKSJww3kCxuiAo2A.ttf

58 ms

layer_service_icons_2.png

layer_service_icons_2.png

649 ms

bg_oneteaser.jpg

bg_oneteaser.jpg

711 ms

centro_icon_small.gif

centro_icon_small.gif

712 ms

instagram_icon_small.gif

instagram_icon_small.gif

672 ms

facebook_icon_small.gif

facebook_icon_small.gif

668 ms

youtube_icon_small.gif

youtube_icon_small.gif

676 ms

hg_unten_958x36.jpg

hg_unten_958x36.jpg

679 ms

icon-footer-de-active.png

icon-footer-de-active.png

651 ms

icon-footer-en.png

icon-footer-en.png

654 ms

icon-footer-nl.png

icon-footer-nl.png

657 ms

icon-footer-instagram.png

icon-footer-instagram.png

581 ms

icon-footer-facebook.png

icon-footer-facebook.png

580 ms

icon-footer-twitter.png

icon-footer-twitter.png

591 ms

icon-footer-youtube.png

icon-footer-youtube.png

645 ms

icon-footer-newsletter.png

icon-footer-newsletter.png

639 ms

sf-arrows.png

sf-arrows.png

575 ms

sf-arrow-big-link.png

sf-arrow-big-link.png

581 ms

centro_print.css

centro_print.css

100 ms

Accessibility Review

centro.de accessibility score

96

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Links do not have a discernible name

Best Practices

centro.de best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Requests the notification permission on page load

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

centro.de SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Centro.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Centro.de 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.

Social Sharing Optimization

centro.de

Open Graph description is not detected on the main page of CENTRO. 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: