Tools & Wizards About Us
klingenburg.de screenshot

Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

klingenburg.de

Klingenburg GmbH

Page Load Speed

2.9 sec in total

First Response

339 ms

Resources Loaded

2.4 sec

Page Rendered

120 ms

klingenburg.de screenshot

About Website

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

Die Klingenburg GmbH für Energierückgewinnung ist führend im Bereich Rotationswärmetauscher, Gegenstrom- und Kreuzstrom-Plattenwärmetauscher und Luftbefeuchter.

Visit klingenburg.de

Key Findings

We analyzed Klingenburg.de page load time and found that the first response time was 339 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

klingenburg.de performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value4.7 s

68/100

10%

TBT (Total Blocking Time)

Value190 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.049

99/100

15%

TTI (Time to Interactive)

Value5.1 s

76/100

10%

Network Requests Diagram

www.klingenburg.de

339 ms

fonts-pt-sans.css

110 ms

fonts-open-sans.css

217 ms

stylesheet_ca34386f23.css

218 ms

Locations.css

220 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that all of those requests were addressed to Klingenburg.de and no external sources were called. The less responsive or slowest element that took the longest time to load (882 ms) belongs to the original domain Klingenburg.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 386.4 kB (26%)

Content Size

1.5 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Klingenburg.de main page is 1.5 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. 55% of websites need less resources to load. Images take 960.9 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 31.7 kB

  • Original 37.1 kB
  • After minification 28.9 kB
  • After compression 5.3 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 8.2 kB, which is 22% 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 31.7 kB or 86% of the original size.

Image Optimization

-1%

Potential reduce by 7.2 kB

  • Original 960.9 kB
  • After minification 953.7 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. Klingenburg images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 254.4 kB

  • Original 372.1 kB
  • After minification 290.4 kB
  • After compression 117.6 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 254.4 kB or 68% of the original size.

CSS Optimization

-83%

Potential reduce by 93.1 kB

  • Original 112.0 kB
  • After minification 87.9 kB
  • After compression 19.0 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. Klingenburg.de needs all CSS files to be minified and compressed as it can save up to 93.1 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (28%)

Requests Now

40

After Optimization

29

  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Klingenburg. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.klingenburg.de

www.klingenburg.de

339 ms

fonts-pt-sans.css

fonts-pt-sans.css

110 ms

fonts-open-sans.css

fonts-open-sans.css

217 ms

stylesheet_ca34386f23.css

stylesheet_ca34386f23.css

218 ms

Locations.css

Locations.css

220 ms

less_styles_bc4150d023d3255136db671d61ac93f2.css

less_styles_bc4150d023d3255136db671d61ac93f2.css

434 ms

jquery.min.js

jquery.min.js

438 ms

dropdown.js

dropdown.js

220 ms

modal.js

modal.js

325 ms

jssor.slider.mini.js

jssor.slider.mini.js

539 ms

Hyphenator.js

Hyphenator.js

651 ms

scripts.js

scripts.js

326 ms

header.png

header.png

217 ms

klingenburg-logo-de.png

klingenburg-logo-de.png

110 ms

csm_home-button_f5976edd8d.png

csm_home-button_f5976edd8d.png

110 ms

csm_home-button-over_50310431be.png

csm_home-button-over_50310431be.png

110 ms

csm_menue_unternehmen_gladbeck_9d95499340.jpg

csm_menue_unternehmen_gladbeck_9d95499340.jpg

109 ms

menue_unternehmen_standorte.jpg

menue_unternehmen_standorte.jpg

218 ms

csm_menue_unternehmen_stellen_3f39608dba.jpg

csm_menue_unternehmen_stellen_3f39608dba.jpg

218 ms

menue_produkte_rotor02.jpg

menue_produkte_rotor02.jpg

218 ms

menue_produkte_pwt.jpg

menue_produkte_pwt.jpg

219 ms

menue_produkte_certo.jpg

menue_produkte_certo.jpg

220 ms

logowall_1.jpg

logowall_1.jpg

431 ms

sprite.png

sprite.png

327 ms

csm_keyisual_klb-carel_0524_2452887e3f.jpg

csm_keyisual_klb-carel_0524_2452887e3f.jpg

434 ms

csm_Keyvisual_Regler_OJ_AC_de_0723_e782b93122.jpg

csm_Keyvisual_Regler_OJ_AC_de_0723_e782b93122.jpg

435 ms

csm_0277_A0B9525_3_4_adjust_Panoramaaa_varAus.master_62b458f0d9.jpg

csm_0277_A0B9525_3_4_adjust_Panoramaaa_varAus.master_62b458f0d9.jpg

436 ms

csm_teaser_service_2a_1f9a9e6da8.jpg

csm_teaser_service_2a_1f9a9e6da8.jpg

436 ms

csm_KV_Datencenter_update_de_b0bb5e151c.jpg

csm_KV_Datencenter_update_de_b0bb5e151c.jpg

560 ms

csm_KV_PWT_update_de_6482179078.jpg

csm_KV_PWT_update_de_6482179078.jpg

540 ms

csm_teaser_rotoren_2_d780a480f9.jpg

csm_teaser_rotoren_2_d780a480f9.jpg

559 ms

csm_teaser_rotoren_2_c7271134dd.jpg

csm_teaser_rotoren_2_c7271134dd.jpg

558 ms

csm_Teaser_Produkte_test_5168575548.jpg

csm_Teaser_Produkte_test_5168575548.jpg

559 ms

csm_Teaser_Produkte_test_7bb3eb6ffb.jpg

csm_Teaser_Produkte_test_7bb3eb6ffb.jpg

560 ms

csm_teaser-produkt_uv_5845a0a6d8.jpg

csm_teaser-produkt_uv_5845a0a6d8.jpg

648 ms

csm_teaser-produkt_uv_b7876d65a0.jpg

csm_teaser-produkt_uv_b7876d65a0.jpg

666 ms

csm_teaser_jobs_2_c4c1fea617.jpg

csm_teaser_jobs_2_c4c1fea617.jpg

773 ms

csm_teaser_jobs_2_c56af02b69.jpg

csm_teaser_jobs_2_c56af02b69.jpg

667 ms

linkedin.png

linkedin.png

667 ms

open-sans-v35-cyrillic_cyrillic-ext_latin_latin-ext-regular.woff

open-sans-v35-cyrillic_cyrillic-ext_latin_latin-ext-regular.woff

668 ms

open-sans-v35-cyrillic_cyrillic-ext_latin_latin-ext-600.woff

open-sans-v35-cyrillic_cyrillic-ext_latin_latin-ext-600.woff

863 ms

open-sans-v35-cyrillic_cyrillic-ext_latin_latin-ext-700.woff

open-sans-v35-cyrillic_cyrillic-ext_latin_latin-ext-700.woff

776 ms

de.js

de.js

882 ms

less_styles_f7531e2d0ea27233ce00b5f01c5bf335.css

less_styles_f7531e2d0ea27233ce00b5f01c5bf335.css

109 ms

Accessibility Review

klingenburg.de accessibility score

63

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.

Best Practices

klingenburg.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

SEO Factors

klingenburg.de SEO score

91

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

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Klingenburg.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 Klingenburg.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

klingenburg.de

Open Graph data is detected on the main page of Klingenburg. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: