Tools & Wizards About Us
duz.de screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    37% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

duz.de

DUZ - Magazin - Wissenschaft & Management

Page Load Speed

5 sec in total

First Response

338 ms

Resources Loaded

4.4 sec

Page Rendered

236 ms

duz.de screenshot

About Website

Click here to check amazing DUZ content for Germany. Otherwise, check out these important facts you probably never knew about duz.de

Trends in Hochschule und Forschung, Fokus Wissenschaftsmanagement, Hintergründe aus Politik, Gesellschaft, Wirtschaft: Das sind die Themen der DUZ.

Visit duz.de

Key Findings

We analyzed Duz.de page load time and found that the first response time was 338 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

duz.de performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value9.7 s

10/100

10%

TBT (Total Blocking Time)

Value7,420 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value15.3 s

7/100

10%

Network Requests Diagram

duz.de

338 ms

www.duz.de

814 ms

duz.css

257 ms

jquery.qtip.min.css

260 ms

richtext-styles.css

280 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 75% of them (56 requests) were addressed to the original Duz.de, 4% (3 requests) were made to W.sharethis.com and 3% (2 requests) were made to Wd-edge.sharethis.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Duz.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 755.9 kB (60%)

Content Size

1.3 MB

After Optimization

503.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Duz.de main page is 1.3 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. 40% of websites need less resources to load. Javascripts take 851.2 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 24.4 kB

  • Original 31.7 kB
  • After minification 26.6 kB
  • After compression 7.3 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 5.1 kB, which is 16% 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 24.4 kB or 77% of the original size.

Image Optimization

-8%

Potential reduce by 25.6 kB

  • Original 321.0 kB
  • After minification 295.4 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. DUZ images are well optimized though.

JavaScript Optimization

-78%

Potential reduce by 662.2 kB

  • Original 851.2 kB
  • After minification 706.5 kB
  • After compression 189.0 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 662.2 kB or 78% of the original size.

CSS Optimization

-79%

Potential reduce by 43.8 kB

  • Original 55.7 kB
  • After minification 49.3 kB
  • After compression 12.0 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. Duz.de needs all CSS files to be minified and compressed as it can save up to 43.8 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (57%)

Requests Now

70

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DUZ. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

duz.de

duz.de

338 ms

www.duz.de

www.duz.de

814 ms

duz.css

duz.css

257 ms

jquery.qtip.min.css

jquery.qtip.min.css

260 ms

richtext-styles.css

richtext-styles.css

280 ms

articleList.css

articleList.css

254 ms

jobBox.css

jobBox.css

255 ms

article.css

article.css

257 ms

jquery.fancybox-1.3.4.css

jquery.fancybox-1.3.4.css

472 ms

menu-top.css

menu-top.css

474 ms

showSearchForm.css

showSearchForm.css

475 ms

productBox.css

productBox.css

477 ms

footer.css

footer.css

475 ms

menu-main.css

menu-main.css

500 ms

bannerList.css

bannerList.css

689 ms

buttons.js

buttons.js

5 ms

jquery-1.7.1.js

jquery-1.7.1.js

1051 ms

jquery-ui-1.8.16.custom.min.js

jquery-ui-1.8.16.custom.min.js

942 ms

jquery.qtip.min.js

jquery.qtip.min.js

739 ms

general.js

general.js

738 ms

jquery.fancybox-1.3.4.js

jquery.fancybox-1.3.4.js

740 ms

jquery.easing-1.3.pack.js

jquery.easing-1.3.pack.js

907 ms

jquery.mousewheel-3.0.4.pack.js

jquery.mousewheel-3.0.4.pack.js

910 ms

lastCartoonQuote.js

lastCartoonQuote.js

914 ms

showSearchForm.js

showSearchForm.js

942 ms

jquery.cycle.all.2.9999.js

jquery.cycle.all.2.9999.js

1160 ms

productRotation.js

productRotation.js

1122 ms

menu-top-line.png

menu-top-line.png

430 ms

bg-input.png

bg-input.png

452 ms

search.png

search.png

454 ms

duz_logo.png

duz_logo.png

572 ms

M0316_Startseitenkand_Charpentier_Helmholtz_HallbauerFioretti.jpg

M0316_Startseitenkand_Charpentier_Helmholtz_HallbauerFioretti.jpg

857 ms

167223582956cf2f463cc3f.jpg

167223582956cf2f463cc3f.jpg

672 ms

141037072156e07c660e02e.jpg

141037072156e07c660e02e.jpg

675 ms

7763379556cf2e8ad387e.jpg

7763379556cf2e8ad387e.jpg

679 ms

logo.png

logo.png

688 ms

stellenmarkt_head.png

stellenmarkt_head.png

790 ms

search.png

search.png

889 ms

input-back.png

input-back.png

890 ms

M0316_Cartoon_Digitlehre.jpg

M0316_Cartoon_Digitlehre.jpg

931 ms

logo_small.png

logo_small.png

909 ms

button_jobbox.png

button_jobbox.png

1068 ms

132059888456cf2be57e142.pdf.tiff.png.png

132059888456cf2be57e142.pdf.tiff.png.png

1071 ms

199765835556e06f7d68b54.pdf.tiff.png.png

199765835556e06f7d68b54.pdf.tiff.png.png

1298 ms

duzSpecial_NRW_M11_2015_S_1.jpg

duzSpecial_NRW_M11_2015_S_1.jpg

1150 ms

PROFIN_U1_140dpi.jpeg

PROFIN_U1_140dpi.jpeg

1521 ms

126767048852a1af93c62e5.pdf.tiff.png.png

126767048852a1af93c62e5.pdf.tiff.png.png

1295 ms

364363770505c361de1892.pdf.tiff.png.png

364363770505c361de1892.pdf.tiff.png.png

1253 ms

AvH_Logo_n7_rgb_Web_200x98.jpg

AvH_Logo_n7_rgb_Web_200x98.jpg

1319 ms

Jobware_mC_rgb.png

Jobware_mC_rgb.png

1420 ms

DBS_Logo_RGB_IH.png

DBS_Logo_RGB_IH.png

1487 ms

feed.png

feed.png

1501 ms

duz_logo.png

duz_logo.png

1501 ms

4703958165629f9c16e2f8.jpg.gif

4703958165629f9c16e2f8.jpg.gif

1644 ms

thesansbold-webfont.woff

thesansbold-webfont.woff

1724 ms

54734961054b380561ec55.png.gif

54734961054b380561ec55.png.gif

1534 ms

piwik.js

piwik.js

537 ms

getAllAppDefault.esi

getAllAppDefault.esi

181 ms

getSegment.php

getSegment.php

10 ms

checkOAuth.esi

checkOAuth.esi

10 ms

t.dhj

t.dhj

7 ms

t.dhj

t.dhj

9 ms

cm

cm

18 ms

s-3271.xgi

s-3271.xgi

7 ms

6 ms

hbpix

hbpix

29 ms

5 ms

xrefid.xgi

xrefid.xgi

8 ms

pixel

pixel

18 ms

pixel

pixel

14 ms

2981

2981

32 ms

print.css

print.css

111 ms

index.a8fc48294ca4cc10eb440189d9f22d7c.html

index.a8fc48294ca4cc10eb440189d9f22d7c.html

17 ms

buttons.ab966a004186897711de4a5ed256c924.css

buttons.ab966a004186897711de4a5ed256c924.css

9 ms

st.125da8bfe70ad3e00a35a6e4c65d8bc5.js

st.125da8bfe70ad3e00a35a6e4c65d8bc5.js

3 ms

Accessibility Review

duz.de accessibility score

85

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

duz.de best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

duz.de SEO score

82

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

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 Duz.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 Duz.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

duz.de

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