Tools & Wizards About Us
duesen.de screenshot

Report Summary

  • 86

    Performance

    Renders faster than
    89% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

duesen.de

Duesen.de Duesen-Delavan - Düsen Sprühdüsen Sprühtechnik

Page Load Speed

2.1 sec in total

First Response

383 ms

Resources Loaded

1.4 sec

Page Rendered

364 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 383 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

duesen.de performance score

86

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

96/100

25%

SI (Speed Index)

Value3.1 s

93/100

10%

TBT (Total Blocking Time)

Value410 ms

66/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.0 s

96/100

10%

Network Requests Diagram

duesen.de

383 ms

main.css

191 ms

colorscheme.css

205 ms

style.css

206 ms

live_tinc.js

221 ms

Our browser made a total of 40 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 (823 ms) belongs to the original domain Duesen.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 64.7 kB (39%)

Content Size

165.2 kB

After Optimization

100.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Duesen.de main page is 165.2 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. 30% of websites need less resources to load. Images take 113.9 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 23.7 kB

  • Original 30.8 kB
  • After minification 30.6 kB
  • After compression 7.1 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 23.7 kB or 77% of the original size.

Image Optimization

-20%

Potential reduce by 23.2 kB

  • Original 113.9 kB
  • After minification 90.7 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. Obviously, Duesen needs image optimization as it can save up to 23.2 kB or 20% 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

38

After Optimization

38

  • Images
  • JavaScript
  • CSS

The browser has sent 38 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

383 ms

main.css

main.css

191 ms

colorscheme.css

colorscheme.css

205 ms

style.css

style.css

206 ms

live_tinc.js

live_tinc.js

221 ms

contentbg.gif

contentbg.gif

97 ms

headerbg.gif

headerbg.gif

108 ms

top.png

top.png

454 ms

menubg.gif

menubg.gif

110 ms

n1active.gif

n1active.gif

117 ms

n1.gif

n1.gif

202 ms

submenubg.gif

submenubg.gif

208 ms

sn1.gif

sn1.gif

212 ms

AL.gif

AL.gif

231 ms

_wsb_96x117_Zweistoffd$C3$BCsen+Delavan.jpg

_wsb_96x117_Zweistoffd$C3$BCsen+Delavan.jpg

230 ms

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

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

305 ms

_wsb_106x127_Tankmischd$C3$BCse_BB.jpg

_wsb_106x127_Tankmischd$C3$BCse_BB.jpg

318 ms

WM.gif

WM.gif

321 ms

BL.gif

BL.gif

346 ms

BQ.gif

BQ.gif

350 ms

AC$252090.gif

AC$252090.gif

408 ms

_wsb_48x72_BN.jpg

_wsb_48x72_BN.jpg

422 ms

AE.gif

AE.gif

431 ms

_wsb_73x54_Airless.png

_wsb_73x54_Airless.png

462 ms

_wsb_71x52_Airless+Pre+Orifice+Disc.png

_wsb_71x52_Airless+Pre+Orifice+Disc.png

470 ms

Air+Assisted+15.gif

Air+Assisted+15.gif

510 ms

_wsb_51x49_cip-21_thumbnail.jpg

_wsb_51x49_cip-21_thumbnail.jpg

533 ms

AJ150.gif

AJ150.gif

546 ms

SDX5D$C3$BCse.jpg

SDX5D$C3$BCse.jpg

565 ms

sdxMultiHead.gif

sdxMultiHead.gif

580 ms

_wsb_47x62_Swirl+Air+90.jpg

_wsb_47x62_Swirl+Air+90.jpg

594 ms

spraydrying-2007.gif

spraydrying-2007.gif

616 ms

globalproductguide.gif

globalproductguide.gif

640 ms

vcn-2007.gif

vcn-2007.gif

652 ms

swirlair-2007.gif

swirlair-2007.gif

683 ms

airless-2007.gif

airless-2007.gif

694 ms

coolcast-Nozzle.gif

coolcast-Nozzle.gif

823 ms

_wsb_233x34_Powtech+2013+Delavan+D$C3$BCsen+.jpg

_wsb_233x34_Powtech+2013+Delavan+D$C3$BCsen+.jpg

717 ms

list.gif

list.gif

741 ms

footerbg.gif

footerbg.gif

758 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: