Tools & Wizards About Us
k-d.de screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

k-d.de

Köln-Düsseldorfer Deutsche Rheinschiffahrt GmbH - KD Deutsche Rheinschiffahrt GmbH

Page Load Speed

5.1 sec in total

First Response

350 ms

Resources Loaded

4.3 sec

Page Rendered

460 ms

k-d.de screenshot

About Website

Visit k-d.de now to see the best up-to-date KD content and also check out these interesting facts you probably never knew about k-d.de

Infos zu den Schiffstouren, Linienfahrpläne, Rundfahrten, Ereignisfahrten, Charterbedingungen, zur Flotte sowie Getränken und Speisen.

Visit k-d.de

Key Findings

We analyzed K-d.de page load time and found that the first response time was 350 ms and then it took 4.8 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

k-d.de performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value15.5 s

0/100

25%

SI (Speed Index)

Value12.0 s

4/100

10%

TBT (Total Blocking Time)

Value7,170 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value18.7 s

3/100

10%

Network Requests Diagram

k-d.de

350 ms

www.k-d.com

800 ms

7fcf40d426.css

195 ms

bcf9a062-3e87-456c-9276-4b18ca7c0a8f.css

143 ms

main.css

397 ms

Our browser made a total of 110 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original K-d.de, 35% (39 requests) were made to Maps.googleapis.com and 31% (34 requests) were made to K-d.com. The less responsive or slowest element that took the longest time to load (800 ms) relates to the external source K-d.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 MB (40%)

Content Size

4.4 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of K-d.de main page is 4.4 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. 70% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 330.1 kB

  • Original 384.6 kB
  • After minification 384.2 kB
  • After compression 54.5 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 330.1 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 6.9 kB

  • Original 2.1 MB
  • After minification 2.1 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. KD images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 994.3 kB

  • Original 1.5 MB
  • After minification 1.5 MB
  • After compression 490.0 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 994.3 kB or 67% of the original size.

CSS Optimization

-95%

Potential reduce by 412.9 kB

  • Original 435.2 kB
  • After minification 160.9 kB
  • After compression 22.2 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. K-d.de needs all CSS files to be minified and compressed as it can save up to 412.9 kB or 95% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (39%)

Requests Now

97

After Optimization

59

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 97 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KD. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

k-d.de

k-d.de

350 ms

www.k-d.com

www.k-d.com

800 ms

7fcf40d426.css

7fcf40d426.css

195 ms

bcf9a062-3e87-456c-9276-4b18ca7c0a8f.css

bcf9a062-3e87-456c-9276-4b18ca7c0a8f.css

143 ms

main.css

main.css

397 ms

header.js

header.js

294 ms

b9ac716825.js

b9ac716825.js

311 ms

TweenMax.min.js

TweenMax.min.js

51 ms

js

js

54 ms

main.js

main.js

740 ms

infobox.js

infobox.js

78 ms

addthis_widget.js

addthis_widget.js

59 ms

icon--logo.svg

icon--logo.svg

101 ms

icon--logo--mobile.svg

icon--logo--mobile.svg

119 ms

kd-gutschein-batch.svg

kd-gutschein-batch.svg

107 ms

icon-group--payment.svg

icon-group--payment.svg

111 ms

icon--tripadvisor-zertifikat.svg

icon--tripadvisor-zertifikat.svg

201 ms

icon--koeln-ticket.svg

icon--koeln-ticket.svg

212 ms

sdk.js

sdk.js

637 ms

OpenSans-Regular.woff

OpenSans-Regular.woff

659 ms

OpenSans-Bold.woff

OpenSans-Bold.woff

659 ms

icomoon.woff

icomoon.woff

271 ms

icon--chat.svg

icon--chat.svg

268 ms

icon--faq.svg

icon--faq.svg

259 ms

icon--thumb.svg

icon--thumb.svg

344 ms

icon--star-active.svg

icon--star-active.svg

357 ms

icon--star-inactive.svg

icon--star-inactive.svg

591 ms

icon--facebook.svg

icon--facebook.svg

593 ms

icon--youtube.svg

icon--youtube.svg

593 ms

icon--instagram.svg

icon--instagram.svg

595 ms

icon--twitter.svg

icon--twitter.svg

596 ms

icon--pinterest.svg

icon--pinterest.svg

630 ms

icon--googleplus.svg

icon--googleplus.svg

629 ms

gtm.js

gtm.js

80 ms

dae8c4c5-f51e-44c1-aab3-9172f14f9820.woff

dae8c4c5-f51e-44c1-aab3-9172f14f9820.woff

47 ms

analytics.js

analytics.js

23 ms

ec.js

ec.js

6 ms

collect

collect

2 ms

collect

collect

66 ms

common.js

common.js

220 ms

map.js

map.js

241 ms

util.js

util.js

268 ms

marker.js

marker.js

267 ms

csm_kd-freideck-siebengebirge_4506fefa45.jpg

csm_kd-freideck-siebengebirge_4506fefa45.jpg

682 ms

205 ms

xd_arbiter.php

xd_arbiter.php

506 ms

onion.js

onion.js

45 ms

openhand_8_8.cur

openhand_8_8.cur

144 ms

385 ms

ViewportInfoService.GetViewportInfo

ViewportInfoService.GetViewportInfo

141 ms

stats.js

stats.js

39 ms

controls.js

controls.js

33 ms

css

css

146 ms

transparent.png

transparent.png

46 ms

icon--marker-poi.svg

icon--marker-poi.svg

142 ms

icon--marker-kd.svg

icon--marker-kd.svg

139 ms

google4.png

google4.png

38 ms

mapcnt6.png

mapcnt6.png

38 ms

sv5.png

sv5.png

96 ms

tmapctrl.png

tmapctrl.png

39 ms

tmapctrl4.png

tmapctrl4.png

38 ms

vt

vt

67 ms

vt

vt

141 ms

vt

vt

69 ms

vt

vt

137 ms

vt

vt

137 ms

vt

vt

136 ms

vt

vt

103 ms

vt

vt

173 ms

vt

vt

138 ms

vt

vt

159 ms

vt

vt

159 ms

vt

vt

223 ms

vt

vt

158 ms

vt

vt

224 ms

vt

vt

165 ms

vt

vt

173 ms

vt

vt

231 ms

vt

vt

236 ms

vt

vt

198 ms

vt

vt

203 ms

vt

vt

226 ms

vt

vt

285 ms

vt

vt

235 ms

vt

vt

242 ms

vt

vt

301 ms

vt

vt

311 ms

vt

vt

262 ms

vt

vt

261 ms

vt

vt

335 ms

vt

vt

352 ms

zN7GBFwfMP4uA6AR0HCoLQ.ttf

zN7GBFwfMP4uA6AR0HCoLQ.ttf

57 ms

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

58 ms

Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf

Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf

89 ms

d-6IYplOFocCacKzxwXSOKCWcynf_cDxXwCLxiixG1c.ttf

d-6IYplOFocCacKzxwXSOKCWcynf_cDxXwCLxiixG1c.ttf

89 ms

csm_kd-burgenfahrt_28a38ed746.jpg

csm_kd-burgenfahrt_28a38ed746.jpg

258 ms

csm_kd-drachenfels_36155b3332.jpg

csm_kd-drachenfels_36155b3332.jpg

305 ms

csm_kd-ms-loreley_cfcd95c1b6.jpg

csm_kd-ms-loreley_cfcd95c1b6.jpg

216 ms

event_tickets

event_tickets

760 ms

AuthenticationService.Authenticate

AuthenticationService.Authenticate

141 ms

300lo.json

300lo.json

49 ms

sh.8e5f85691f9aaa082472a194.html

sh.8e5f85691f9aaa082472a194.html

22 ms

layers.e5ea973510bf60b3db41.js

layers.e5ea973510bf60b3db41.js

24 ms

widgets-ef74fbd2b617f4677e38608754d2bb37.css

widgets-ef74fbd2b617f4677e38608754d2bb37.css

213 ms

widgets-f73f409044528b1517c71f33f74c53ff.js

widgets-f73f409044528b1517c71f33f74c53ff.js

612 ms

shop.js

shop.js

208 ms

collect

collect

3 ms

OpenSans-Regular.woff

OpenSans-Regular.woff

424 ms

OpenSans-Bold.woff

OpenSans-Bold.woff

699 ms

icomoon.woff

icomoon.woff

309 ms

Accessibility Review

k-d.de accessibility score

80

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

k-d.de best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

k-d.de SEO score

89

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise K-d.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that K-d.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

k-d.de

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