Tools & Wizards About Us
k-online.de screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

k-online.de

K 2025 - Die international führende Kunststoffmesse

Page Load Speed

4.7 sec in total

First Response

289 ms

Resources Loaded

3.8 sec

Page Rendered

625 ms

k-online.de screenshot

About Website

Welcome to k-online.de homepage info - get ready to check K Online best content for Turkey right away, or after learning these important things about k-online.de

Finden Sie alle Informationen zur international führenden Messe der Kunststoff- und Kautschukindustrie in Düsseldorf vom 8.-15. Oktober 2025.

Visit k-online.de

Key Findings

We analyzed K-online.de page load time and found that the first response time was 289 ms and then it took 4.4 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-online.de performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value9.9 s

0/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value1,300 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.133

81/100

15%

TTI (Time to Interactive)

Value19.4 s

2/100

10%

Network Requests Diagram

k-online.de

289 ms

www.k-online.de

201 ms

www.k-online.de

941 ms

dim-icons.css

193 ms

md_k.css

582 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 84% of them (54 requests) were addressed to the original K-online.de, 3% (2 requests) were made to Llntrack.messe-duesseldorf.de and 3% (2 requests) were made to Bat.bing.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain K-online.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 305.5 kB (7%)

Content Size

4.1 MB

After Optimization

3.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of K-online.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. 60% of websites need less resources to load. Images take 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 174.6 kB

  • Original 195.2 kB
  • After minification 132.9 kB
  • After compression 20.6 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. This page needs HTML code to be minified as it can gain 62.3 kB, which is 32% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 174.6 kB or 89% of the original size.

Image Optimization

-4%

Potential reduce by 114.6 kB

  • Original 3.1 MB
  • After minification 3.0 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. K Online images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 15.0 kB

  • Original 712.2 kB
  • After minification 712.2 kB
  • After compression 697.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 1.3 kB

  • Original 112.4 kB
  • After minification 112.4 kB
  • After compression 111.1 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-online.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 17 (31%)

Requests Now

55

After Optimization

38

  • Images
  • JavaScript
  • CSS

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of K Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

k-online.de

k-online.de

289 ms

www.k-online.de

www.k-online.de

201 ms

www.k-online.de

www.k-online.de

941 ms

dim-icons.css

dim-icons.css

193 ms

md_k.css

md_k.css

582 ms

metabar-widget.css

metabar-widget.css

285 ms

picturefill.min.js

picturefill.min.js

282 ms

bundle.js

bundle.js

24 ms

metabar-widget.js

metabar-widget.js

373 ms

md-portal-modules.js

md-portal-modules.js

606 ms

dim.animated-teaser.js

dim.animated-teaser.js

284 ms

smart.js

smart.js

285 ms

6bea2a0189139467.js

6bea2a0189139467.js

613 ms

container_T8s4Oj3r.js

container_T8s4Oj3r.js

531 ms

K_Portal_2025_608x192.png

K_Portal_2025_608x192.png

247 ms

icon_arrow_left.svg

icon_arrow_left.svg

243 ms

icon_arrow_right.svg

icon_arrow_right.svg

241 ms

Onlineanmeldung_K_2025_Moodbild.png

Onlineanmeldung_K_2025_Moodbild.png

371 ms

Infografik_K_2022_horizontal.png

Infografik_K_2022_horizontal.png

279 ms

Hintergrundfarbe.png

Hintergrundfarbe.png

243 ms

K-MAG.png

K-MAG.png

279 ms

_AWR1234_Maschinen_Ausr_stung.jpg

_AWR1234_Maschinen_Ausr_stung.jpg

281 ms

_AW44889_Roh-_Hilfsstoffe.jpg

_AW44889_Roh-_Hilfsstoffe.jpg

249 ms

_AWR0496_Halbzeuge_technische_Teile.jpg

_AWR0496_Halbzeuge_technische_Teile.jpg

280 ms

_AW49862_Dienstleistungen_Forschung_Wissenschaft.jpg

_AW49862_Dienstleistungen_Forschung_Wissenschaft.jpg

420 ms

Kreislaufwirtschaft_shutterstock_79760491.jpg

Kreislaufwirtschaft_shutterstock_79760491.jpg

464 ms

Digitalisierung_modi_shutterstock_80997586.jpg

Digitalisierung_modi_shutterstock_80997586.jpg

371 ms

People_Hot_Topics_K_2025.png

People_Hot_Topics_K_2025.png

557 ms

R_ckblick.jpg

R_ckblick.jpg

374 ms

kmd2501_01069_GG-Weltkarte-April-2023-843-x-491.jpg

kmd2501_01069_GG-Weltkarte-April-2023-843-x-491.jpg

463 ms

icon_newsletter_weiss_hintergrund_transparent_4-3.png

icon_newsletter_weiss_hintergrund_transparent_4-3.png

466 ms

appStore_de.png

appStore_de.png

466 ms

googlePlay_de.png

googlePlay_de.png

512 ms

logo_md_dark.svg

logo_md_dark.svg

557 ms

logo_ddc_dark.png

logo_ddc_dark.png

557 ms

GTM-KWXBJ7.js

GTM-KWXBJ7.js

751 ms

Hintergrundgrafik_Key-Visual_Blau_1600x192_01.jpg

Hintergrundgrafik_Key-Visual_Blau_1600x192_01.jpg

558 ms

K_Portal_2025_945x192.png

K_Portal_2025_945x192.png

574 ms

Onlineanmeldung_K_2025_Moodbild.png

Onlineanmeldung_K_2025_Moodbild.png

707 ms

SourceSansPro-Regular_otf.woff

SourceSansPro-Regular_otf.woff

855 ms

SourceSansPro-Light_otf.woff

SourceSansPro-Light_otf.woff

855 ms

SourceSansPro-Semibold_otf.woff

SourceSansPro-Semibold_otf.woff

856 ms

SourceSansPro-Black_otf.woff

SourceSansPro-Black_otf.woff

856 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

855 ms

md-iconfont.woff

md-iconfont.woff

855 ms

Infografik_K_2022_horizontal.png

Infografik_K_2022_horizontal.png

872 ms

Hintergrundfarbe.png

Hintergrundfarbe.png

741 ms

K-MAG.png

K-MAG.png

742 ms

R_ckblick.jpg

R_ckblick.jpg

741 ms

kmd2501_01069_GG-Weltkarte-April-2023-843-x-491.jpg

kmd2501_01069_GG-Weltkarte-April-2023-843-x-491.jpg

741 ms

-buehne_1920x600-01-klebstoff-verarbeitet-im-innenraum-transportkapsel-tum-thl.jpg

-buehne_1920x600-01-klebstoff-verarbeitet-im-innenraum-transportkapsel-tum-thl.jpg

922 ms

KI-Plattform_PERS-AI_KITT4SME_EDELOG_c_C.F._Maier_1920x600.jpg

KI-Plattform_PERS-AI_KITT4SME_EDELOG_c_C.F._Maier_1920x600.jpg

826 ms

Biopolymers_Bacteria_Coating_PHA_Cotton_yarn_c_DITF_1920x600.jpg

Biopolymers_Bacteria_Coating_PHA_Cotton_yarn_c_DITF_1920x600.jpg

919 ms

_c_billion-sas-opc-ua-zwei-maenner-vor-industriemaschine-b.png

_c_billion-sas-opc-ua-zwei-maenner-vor-industriemaschine-b.png

1470 ms

-kmag_570x380-01-klebstoff-verarbeitet-im-innenraum-transportkapsel-tum-thl.jpg

-kmag_570x380-01-klebstoff-verarbeitet-im-innenraum-transportkapsel-tum-thl.jpg

819 ms

KI-Plattform_PERS-AI_KITT4SME_EDELOG_c_C.F._Maier_570x380.jpg

KI-Plattform_PERS-AI_KITT4SME_EDELOG_c_C.F._Maier_570x380.jpg

886 ms

Biopolymers_Bacteria_Coating_PHA_Cotton_yarn_c_DITF_570x380.jpg

Biopolymers_Bacteria_Coating_PHA_Cotton_yarn_c_DITF_570x380.jpg

886 ms

_c_billion-sas-opc-ua-zwei-maenner-vor-industriemaschine-kmag.png

_c_billion-sas-opc-ua-zwei-maenner-vor-industriemaschine-kmag.png

1110 ms

track

track

100 ms

bat.js

bat.js

95 ms

343008444.js

343008444.js

13 ms

343008444

343008444

46 ms

clarity.js

clarity.js

6 ms

c.gif

c.gif

7 ms

Accessibility Review

k-online.de accessibility score

79

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

k-online.de best practices score

83

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

High

Missing source maps for large first-party JavaScript

SEO Factors

k-online.de SEO score

86

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 K-online.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 K-online.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-online.de

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