Tools & Wizards About Us
duesen.de screenshot

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

duesen.de

Duesen.de Duesen-Delavan - Düsen Sprühdüsen Sprühtechnik

Page Load Speed

2.8 sec in total

First Response

262 ms

Resources Loaded

2.2 sec

Page Rendered

383 ms

duesen.de screenshot

About Website

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

Düsen DE Industrie Duesen Druckdüsen feine Zerstäubung Sprühtechnik,Spray Systeme Airless Zweistoff Sprüdüsen Zerstäuber Flachstrahl-Düsen, SDX Düsen Sprühsysteme VIPTech Wasser Düsen Sprühtrockner

Visit duesen.de

Key Findings

We analyzed Duesen.de page load time and found that the first response time was 262 ms and then it took 2.6 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

duesen.de performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

88/100

10%

LCP (Largest Contentful Paint)

Value1.8 s

98/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.8 s

100/100

10%

Network Requests Diagram

duesen.de

262 ms

www.duesen.de

503 ms

main.css

147 ms

colorscheme.css

292 ms

style.css

332 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that all of those requests were addressed to Duesen.de and no external sources were called. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Duesen.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 68.9 kB (42%)

Content Size

163.2 kB

After Optimization

94.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Duesen.de main page is 163.2 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 109.9 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 25.5 kB

  • Original 32.7 kB
  • After minification 32.4 kB
  • After compression 7.2 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 25.5 kB or 78% of the original size.

Image Optimization

-23%

Potential reduce by 25.6 kB

  • Original 109.9 kB
  • After minification 84.4 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. Obviously, Duesen needs image optimization as it can save up to 25.6 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-83%

Potential reduce by 4.1 kB

  • Original 4.9 kB
  • After minification 2.5 kB
  • After compression 819 B

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 4.1 kB or 83% of the original size.

CSS Optimization

-88%

Potential reduce by 13.8 kB

  • Original 15.6 kB
  • After minification 8.2 kB
  • After compression 1.8 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. Duesen.de needs all CSS files to be minified and compressed as it can save up to 13.8 kB or 88% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

39

After Optimization

39

  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duesen. According to our analytics all requests are already optimized.

Network Requests Diagram

duesen.de

duesen.de

262 ms

www.duesen.de

www.duesen.de

503 ms

main.css

main.css

147 ms

colorscheme.css

colorscheme.css

292 ms

style.css

style.css

332 ms

live_tinc.js

live_tinc.js

326 ms

contentbg.gif

contentbg.gif

147 ms

headerbg.gif

headerbg.gif

159 ms

top.png

top.png

415 ms

menubg.gif

menubg.gif

157 ms

n1active.gif

n1active.gif

325 ms

n1.gif

n1.gif

322 ms

submenubg.gif

submenubg.gif

299 ms

sn1.gif

sn1.gif

347 ms

BN.gif

BN.gif

335 ms

AL.gif

AL.gif

437 ms

_wsb_96x117_Zweistoffd$C3$BCsen+Delavan.jpg

_wsb_96x117_Zweistoffd$C3$BCsen+Delavan.jpg

446 ms

_wsb_118x147_Spiral+D$C3$BCse+MCN+.jpg

_wsb_118x147_Spiral+D$C3$BCse+MCN+.jpg

449 ms

_wsb_106x127_Tankmischd$C3$BCse_BB.jpg

_wsb_106x127_Tankmischd$C3$BCse_BB.jpg

456 ms

WM.gif

WM.gif

466 ms

D$C3$BCsen_WA.gif

D$C3$BCsen_WA.gif

566 ms

BL.gif

BL.gif

572 ms

BQ.gif

BQ.gif

581 ms

AC$252090.gif

AC$252090.gif

597 ms

_wsb_48x72_BN.jpg

_wsb_48x72_BN.jpg

584 ms

AE.gif

AE.gif

625 ms

_wsb_73x54_Airless.png

_wsb_73x54_Airless.png

708 ms

_wsb_71x52_Airless+Pre+Orifice+Disc.png

_wsb_71x52_Airless+Pre+Orifice+Disc.png

710 ms

Air+Assisted+15.gif

Air+Assisted+15.gif

745 ms

_wsb_51x49_cip-21_thumbnail.jpg

_wsb_51x49_cip-21_thumbnail.jpg

711 ms

AJ150.gif

AJ150.gif

728 ms

SDX5D$C3$BCse.jpg

SDX5D$C3$BCse.jpg

751 ms

sdxMultiHead.gif

sdxMultiHead.gif

894 ms

_wsb_47x62_Swirl+Air+90.jpg

_wsb_47x62_Swirl+Air+90.jpg

862 ms

spraydrying-2007.gif

spraydrying-2007.gif

900 ms

globalproductguide.gif

globalproductguide.gif

909 ms

vcn-2007.gif

vcn-2007.gif

946 ms

swirlair-2007.gif

swirlair-2007.gif

941 ms

airless-2007.gif

airless-2007.gif

1089 ms

coolcast-Nozzle.gif

coolcast-Nozzle.gif

1057 ms

list.gif

list.gif

1023 ms

footerbg.gif

footerbg.gif

985 ms

Accessibility Review

duesen.de accessibility score

60

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

duesen.de best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

duesen.de SEO score

67

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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

duesen.de

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