Tools & Wizards About Us
dorlingkindersley.de screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

dorlingkindersley.de

DK Verlag Dorling Kindersley: Bleiben Sie neugierig.

Page Load Speed

9.1 sec in total

First Response

298 ms

Resources Loaded

8.5 sec

Page Rendered

285 ms

dorlingkindersley.de screenshot

About Website

Visit dorlingkindersley.de now to see the best up-to-date Dorling Kindersley content for Germany and also check out these interesting facts you probably never knew about dorlingkindersley.de

DK Verlag: Kochbücher, Reiseführer, Ratgeber, Kinderbücher. ▶Entdecken Sie unser vielfältiges Buchprogramm!

Visit dorlingkindersley.de

Key Findings

We analyzed Dorlingkindersley.de page load time and found that the first response time was 298 ms and then it took 8.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

dorlingkindersley.de performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value1.035

2/100

15%

TTI (Time to Interactive)

Value5.6 s

69/100

10%

Network Requests Diagram

dorlingkindersley.de

298 ms

www.dorlingkindersley.de

823 ms

style.css

615 ms

style.css

530 ms

moods.css

716 ms

Our browser made a total of 104 requests to load all elements on the main page. We found that 91% of them (95 requests) were addressed to the original Dorlingkindersley.de, 3% (3 requests) were made to S7.addthis.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (4 sec) belongs to the original domain Dorlingkindersley.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 644.3 kB (16%)

Content Size

4.1 MB

After Optimization

3.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dorlingkindersley.de main page is 4.1 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 3.3 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 67.2 kB

  • Original 87.9 kB
  • After minification 83.1 kB
  • After compression 20.7 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 67.2 kB or 76% of the original size.

Image Optimization

-3%

Potential reduce by 95.2 kB

  • Original 3.3 MB
  • After minification 3.2 MB

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. Dorling Kindersley images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 360.8 kB

  • Original 560.8 kB
  • After minification 536.1 kB
  • After compression 200.0 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 360.8 kB or 64% of the original size.

CSS Optimization

-89%

Potential reduce by 121.0 kB

  • Original 136.3 kB
  • After minification 111.0 kB
  • After compression 15.3 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. Dorlingkindersley.de needs all CSS files to be minified and compressed as it can save up to 121.0 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (41%)

Requests Now

100

After Optimization

59

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 100 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dorling Kindersley. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dorlingkindersley.de

dorlingkindersley.de

298 ms

www.dorlingkindersley.de

www.dorlingkindersley.de

823 ms

style.css

style.css

615 ms

style.css

style.css

530 ms

moods.css

moods.css

716 ms

widgets.css

widgets.css

607 ms

widgets.css

widgets.css

421 ms

jquery.jcarousel.css

jquery.jcarousel.css

540 ms

jquery.wh.dropdowns.css

jquery.wh.dropdowns.css

669 ms

jquery.colorbox.css

jquery.colorbox.css

547 ms

themen_moodbar.css

themen_moodbar.css

556 ms

jquery-1.6.1.min.js

jquery-1.6.1.min.js

1004 ms

jquery.colorbox-min.js

jquery.colorbox-min.js

687 ms

jquery.jcarousel.min.js

jquery.jcarousel.min.js

691 ms

jquery.hoverIntent.min.js

jquery.hoverIntent.min.js

673 ms

jquery.wh.dropdowns.js

jquery.wh.dropdowns.js

2013 ms

jquery.wh.pagecontrol.js

jquery.wh.pagecontrol.js

743 ms

jquery.wh.typeahead.js

jquery.wh.typeahead.js

795 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

840 ms

jquery.kwicks-1.5.1.js

jquery.kwicks-1.5.1.js

840 ms

jquery.pstrength.min.js

jquery.pstrength.min.js

881 ms

jquery.tools.min.js

jquery.tools.min.js

1023 ms

page.js

page.js

975 ms

navigation.js

navigation.js

957 ms

warenkorb.js

warenkorb.js

1018 ms

addthis_widget.js

addthis_widget.js

9 ms

verlauf.png

verlauf.png

204 ms

logo.png

logo.png

208 ms

button_suchen.png

button_suchen.png

212 ms

icon_warenkorb.png

icon_warenkorb.png

717 ms

3.png

3.png

969 ms

2.png

2.png

203 ms

1.png

1.png

493 ms

5.png

5.png

312 ms

4.png

4.png

315 ms

7.png

7.png

327 ms

8.png

8.png

447 ms

9.png

9.png

455 ms

12.png

12.png

450 ms

6.png

6.png

559 ms

10.png

10.png

566 ms

13.png

13.png

570 ms

11.jpg

11.jpg

620 ms

94.png

94.png

2742 ms

9783831030477.jpg

9783831030477.jpg

1500 ms

9783831030057.jpg

9783831030057.jpg

1457 ms

9783831030507.jpg

9783831030507.jpg

1140 ms

9783831030446.jpg

9783831030446.jpg

1129 ms

9783831029174.jpg

9783831029174.jpg

1385 ms

9783831030354.jpg

9783831030354.jpg

1458 ms

9783831029525.jpg

9783831029525.jpg

1582 ms

9783831030019.jpg

9783831030019.jpg

1699 ms

190.jpg

190.jpg

1571 ms

9783831028542.jpg

9783831028542.jpg

1584 ms

179.jpg

179.jpg

1609 ms

95.png

95.png

1881 ms

89.png

89.png

1985 ms

96.png

96.png

2149 ms

logo_prh.png

logo_prh.png

1734 ms

ga.js

ga.js

29 ms

background_welle.png

background_welle.png

1771 ms

background_suche.png

background_suche.png

1788 ms

background_navigation.png

background_navigation.png

1873 ms

__utm.gif

__utm.gif

67 ms

300lo.json

300lo.json

20 ms

de.js

de.js

10 ms

collect

collect

72 ms

sh.7c7179124ea24ac6ba46caac.html

sh.7c7179124ea24ac6ba46caac.html

51 ms

pfeil_klein_rechts.png

pfeil_klein_rechts.png

1742 ms

newsletter_hg.png

newsletter_hg.png

1791 ms

input_einspaltig.png

input_einspaltig.png

1815 ms

button_sprite.png

button_sprite.png

1844 ms

pixel

pixel

18 ms

pixel

pixel

15 ms

pfeil_klein_rechts_rahmen.png

pfeil_klein_rechts_rahmen.png

1799 ms

geschenkfinder_hg.png

geschenkfinder_hg.png

1797 ms

social_link_facebook.png

social_link_facebook.png

1793 ms

social_link_bookmark.png

social_link_bookmark.png

1704 ms

overlay.png

overlay.png

1758 ms

controls.png

controls.png

1788 ms

border.png

border.png

1726 ms

loading_background.png

loading_background.png

1690 ms

loading.gif

loading.gif

1713 ms

3.png

3.png

3070 ms

2.png

2.png

2743 ms

1.png

1.png

2771 ms

5.png

5.png

2408 ms

4.png

4.png

2165 ms

7.png

7.png

2748 ms

8.png

8.png

3392 ms

9.png

9.png

3220 ms

12.png

12.png

3155 ms

6.png

6.png

2990 ms

10.png

10.png

3266 ms

13.png

13.png

4001 ms

11.jpg

11.jpg

3214 ms

background_coverslider.png

background_coverslider.png

3101 ms

pfeil_slider_li.png

pfeil_slider_li.png

3079 ms

pfeil_slider_re.png

pfeil_slider_re.png

3076 ms

ddl_hg_thema.png

ddl_hg_thema.png

3067 ms

dropdown_pfeil.png

dropdown_pfeil.png

3045 ms

ddl_hg_alter.png

ddl_hg_alter.png

3022 ms

dropdown_pfeil_grau.png

dropdown_pfeil_grau.png

3001 ms

ddl_hg_preis.png

ddl_hg_preis.png

3005 ms

Accessibility Review

dorlingkindersley.de accessibility score

77

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

ARIA toggle fields do not have accessible names

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

dorlingkindersley.de best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

dorlingkindersley.de SEO score

90

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dorlingkindersley.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Dorlingkindersley.de main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

dorlingkindersley.de

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