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dussmann-service.com screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% 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

  • 83

    SEO

    Google-friendlier than
    46% of websites

dussmann-service.com

dussmann-service.com - This website is for sale! - Dussmann Service Multidienstleister Gebäudemanagement Dienstleistungen Dussmann Gruppe Resources an...

Page Load Speed

2.6 sec in total

First Response

347 ms

Resources Loaded

2 sec

Page Rendered

283 ms

dussmann-service.com screenshot

About Website

Welcome to dussmann-service.com homepage info - get ready to check Dussmann Service best content right away, or after learning these important things about dussmann-service.com

This website is for sale! dussmann-service.com is your first and best source for all of the information you’re looking for. From general topics to more of what you would expect to find here, dussmann-...

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Key Findings

We analyzed Dussmann-service.com page load time and found that the first response time was 347 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

dussmann-service.com performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.2 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.2 s

100/100

25%

SI (Speed Index)

Value3.8 s

84/100

10%

TBT (Total Blocking Time)

Value2,300 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.204

61/100

15%

TTI (Time to Interactive)

Value5.1 s

75/100

10%

Network Requests Diagram

dussmann-service.com

347 ms

www.dussmann.com

370 ms

nidszip.1424283510.css

102 ms

stylesheet_4ee4a2037e.1425558603.css

196 ms

styles.1444124680.css

203 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Dussmann-service.com, 81% (42 requests) were made to Dussmann.com and 6% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (708 ms) relates to the external source Dussmann.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 279.6 kB (29%)

Content Size

956.2 kB

After Optimization

676.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dussmann-service.com main page is 956.2 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 542.7 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 77.1 kB

  • Original 90.0 kB
  • After minification 86.0 kB
  • After compression 12.9 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 77.1 kB or 86% of the original size.

Image Optimization

-1%

Potential reduce by 4.1 kB

  • Original 542.7 kB
  • After minification 538.6 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. Dussmann Service images are well optimized though.

JavaScript Optimization

-55%

Potential reduce by 125.0 kB

  • Original 228.4 kB
  • After minification 225.2 kB
  • After compression 103.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 125.0 kB or 55% of the original size.

CSS Optimization

-77%

Potential reduce by 73.3 kB

  • Original 95.1 kB
  • After minification 93.7 kB
  • After compression 21.8 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. Dussmann-service.com needs all CSS files to be minified and compressed as it can save up to 73.3 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (60%)

Requests Now

48

After Optimization

19

  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dussmann Service. 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 from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dussmann-service.com

dussmann-service.com

347 ms

www.dussmann.com

www.dussmann.com

370 ms

nidszip.1424283510.css

nidszip.1424283510.css

102 ms

stylesheet_4ee4a2037e.1425558603.css

stylesheet_4ee4a2037e.1425558603.css

196 ms

styles.1444124680.css

styles.1444124680.css

203 ms

mainstyle.1455117858.css

mainstyle.1455117858.css

311 ms

css

css

25 ms

stylesheet_27b353c2e0.1426243970.css

stylesheet_27b353c2e0.1426243970.css

206 ms

javascript_bd4d1f63e4.1381247124.js

javascript_bd4d1f63e4.1381247124.js

204 ms

jquery.min.js

jquery.min.js

74 ms

bootstrap.min.1444124680.js

bootstrap.min.1444124680.js

203 ms

main.bundle.min.1447684192.js

main.bundle.min.1447684192.js

291 ms

jquery.scrolldepth.min.1444124680.js

jquery.scrolldepth.min.1444124680.js

299 ms

edge.6.0.0.min.1453469757.js

edge.6.0.0.min.1453469757.js

416 ms

concat.1424283510.js

concat.1424283510.js

394 ms

newsletterTooltip.min.1444124680.js

newsletterTooltip.min.1444124680.js

307 ms

javascript_6899d5275e.1453480641.js

javascript_6899d5275e.1453480641.js

397 ms

top-str.png

top-str.png

113 ms

DG_Logo.svg

DG_Logo.svg

116 ms

divideLine.png

divideLine.png

115 ms

dussmann_service_logo.png

dussmann_service_logo.png

114 ms

icon_search_20.png

icon_search_20.png

140 ms

deutschland.jpg

deutschland.jpg

177 ms

weltweit.jpg

weltweit.jpg

295 ms

shadow.png

shadow.png

205 ms

arrow_bullet.png

arrow_bullet.png

205 ms

sprite_circle_navigation.png

sprite_circle_navigation.png

207 ms

arrow_down_small.png

arrow_down_small.png

237 ms

csm_NewsDefaultImage_420021afbc.jpg

csm_NewsDefaultImage_420021afbc.jpg

273 ms

csm_DS_Schumann-Video_e49112053e.jpg

csm_DS_Schumann-Video_e49112053e.jpg

307 ms

csm_IMG_1066_40f303071b.jpg

csm_IMG_1066_40f303071b.jpg

307 ms

csm_02_Icon_01_bdcb551aad.png

csm_02_Icon_01_bdcb551aad.png

310 ms

csm_03_Icon_01_29889dd28b.png

csm_03_Icon_01_29889dd28b.png

333 ms

csm_04_Icon_01_5dd16d6ee0.png

csm_04_Icon_01_5dd16d6ee0.png

375 ms

csm_34_News-C_01_30f8d49d9a.png

csm_34_News-C_01_30f8d49d9a.png

391 ms

50Jahre_550x395.jpg

50Jahre_550x395.jpg

708 ms

EcoSmart_550x395.jpg

EcoSmart_550x395.jpg

609 ms

arrow_down.png

arrow_down.png

416 ms

ga.js

ga.js

17 ms

Zd2E9abXLFGSr9G3YK2MsFzqCfRpIA3W6ypxnPISCPA.woff

Zd2E9abXLFGSr9G3YK2MsFzqCfRpIA3W6ypxnPISCPA.woff

18 ms

b9QBgL0iMZfDSpmcXcE8nCSLrGe-fkSRw2DeVgOoWcQ.woff

b9QBgL0iMZfDSpmcXcE8nCSLrGe-fkSRw2DeVgOoWcQ.woff

19 ms

__utm.gif

__utm.gif

45 ms

update.min.js

update.min.js

58 ms

__utm.gif

__utm.gif

7 ms

DS_Interaktion_Startseite_edge.js

DS_Interaktion_Startseite_edge.js

324 ms

f.png

f.png

8 ms

DS_Interaktion_Startseite_edge.js

DS_Interaktion_Startseite_edge.js

102 ms

Aufmacher_Startseite_1280x450.jpg

Aufmacher_Startseite_1280x450.jpg

294 ms

Interaktion_Hintergrund.png

Interaktion_Hintergrund.png

105 ms

ds_video-icon.png

ds_video-icon.png

101 ms

arrow_bullet.png

arrow_bullet.png

106 ms

Rote_Kiste_mit_Schatten_400x200.png

Rote_Kiste_mit_Schatten_400x200.png

109 ms

Accessibility Review

dussmann-service.com accessibility score

63

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.

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

<frame> or <iframe> elements do not have a title

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

dussmann-service.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

dussmann-service.com SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    DE

  • Encoding

    UTF-8

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

dussmann-service.com

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