Tools & Wizards About Us
dusforum.de screenshot

Report Summary

  • 69

    Performance

    Renders faster than
    81% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

dusforum.de

dus-spotter.de

Page Load Speed

3.6 sec in total

First Response

259 ms

Resources Loaded

2.7 sec

Page Rendered

666 ms

dusforum.de screenshot

About Website

Welcome to dusforum.de homepage info - get ready to check Dus Forum best content right away, or after learning these important things about dusforum.de

DUS-Spotter.de - Die Aviation Community für Düsseldorf

Visit dusforum.de

Key Findings

We analyzed Dusforum.de page load time and found that the first response time was 259 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

dusforum.de performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

42/100

25%

SI (Speed Index)

Value3.8 s

84/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.219

57/100

15%

TTI (Time to Interactive)

Value4.2 s

85/100

10%

Network Requests Diagram

dusforum.de

259 ms

www.dus-spotter.de

733 ms

style-15.css

416 ms

easysliderBoxes.css

208 ms

jquery.fancybox.css

209 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Dusforum.de, 30% (18 requests) were made to Dus-spotter.de and 10% (6 requests) were made to C.betrad.com. The less responsive or slowest element that took the longest time to load (951 ms) relates to the external source Abload.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 923.3 kB (51%)

Content Size

1.8 MB

After Optimization

904.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dusforum.de main page is 1.8 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. 65% of websites need less resources to load. Javascripts take 738.3 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 160.4 kB

  • Original 182.3 kB
  • After minification 165.3 kB
  • After compression 21.9 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 160.4 kB or 88% of the original size.

Image Optimization

-4%

Potential reduce by 22.7 kB

  • Original 599.8 kB
  • After minification 577.1 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. Dus Forum images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 488.4 kB

  • Original 738.3 kB
  • After minification 727.6 kB
  • After compression 249.9 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 488.4 kB or 66% of the original size.

CSS Optimization

-82%

Potential reduce by 251.8 kB

  • Original 307.6 kB
  • After minification 281.3 kB
  • After compression 55.8 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. Dusforum.de needs all CSS files to be minified and compressed as it can save up to 251.8 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (57%)

Requests Now

51

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dus Forum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dusforum.de

dusforum.de

259 ms

www.dus-spotter.de

www.dus-spotter.de

733 ms

style-15.css

style-15.css

416 ms

easysliderBoxes.css

easysliderBoxes.css

208 ms

jquery.fancybox.css

jquery.fancybox.css

209 ms

jquery.min.js

jquery.min.js

8 ms

jquery-ui.min.js

jquery-ui.min.js

13 ms

WCF.Combined.min.js

WCF.Combined.min.js

521 ms

adsbygoogle.js

adsbygoogle.js

4 ms

show_ads.js

show_ads.js

5 ms

WBB.min.js

WBB.min.js

111 ms

Gallery.min.js

Gallery.min.js

346 ms

jquery.fancybox.js

jquery.fancybox.js

212 ms

jquery.easyslider.js

jquery.easyslider.js

212 ms

cookieconsent.latest.min.js

cookieconsent.latest.min.js

10 ms

css

css

59 ms

css

css

75 ms

q33a7356-1facebooktupb6.jpg

q33a7356-1facebooktupb6.jpg

951 ms

rwya.png

rwya.png

516 ms

logo-road-reisen-B-10002.jpg

logo-road-reisen-B-10002.jpg

587 ms

background_azure.jpg

background_azure.jpg

511 ms

logo_azure.jpg

logo_azure.jpg

241 ms

avatar-default.svg

avatar-default.svg

238 ms

57-281791f9-tiny.jpg

57-281791f9-tiny.jpg

238 ms

56-8b59a5a8-tiny.jpg

56-8b59a5a8-tiny.jpg

237 ms

55-570ace69-tiny.jpg

55-570ace69-tiny.jpg

237 ms

cJZKeOuBrn4kERxqtaUH3SZ2oysoEQEeKwjgmXLRnTc.ttf

cJZKeOuBrn4kERxqtaUH3SZ2oysoEQEeKwjgmXLRnTc.ttf

279 ms

k3k702ZOKiLJc3WVjuplzJS3E-kSBmtLoNJPDtbj2Pk.ttf

k3k702ZOKiLJc3WVjuplzJS3E-kSBmtLoNJPDtbj2Pk.ttf

444 ms

LeFlHvsZjXu2c3ZRgBq9nCZ2oysoEQEeKwjgmXLRnTc.ttf

LeFlHvsZjXu2c3ZRgBq9nCZ2oysoEQEeKwjgmXLRnTc.ttf

504 ms

getFont.php

getFont.php

573 ms

ca-pub-1613375120407905.js

ca-pub-1613375120407905.js

436 ms

zrt_lookup.html

zrt_lookup.html

434 ms

show_ads_impl.js

show_ads_impl.js

222 ms

ads

ads

307 ms

xjAJXh38I15wypJXxuGMBiwlidHJgAgmTjOEEzwu1L8.ttf

xjAJXh38I15wypJXxuGMBiwlidHJgAgmTjOEEzwu1L8.ttf

226 ms

PRmiXeptR36kaC0GEAetxjdGNerWpg2Hn6A-BxWgZ_I.ttf

PRmiXeptR36kaC0GEAetxjdGNerWpg2Hn6A-BxWgZ_I.ttf

225 ms

ga.js

ga.js

214 ms

de.svg

de.svg

132 ms

gb.svg

gb.svg

132 ms

osd.js

osd.js

52 ms

ads

ads

183 ms

logo-road-reisen-B-10002.jpg

logo-road-reisen-B-10002.jpg

641 ms

0_z1Bt97DI.jpg

0_z1Bt97DI.jpg

165 ms

a.gif

a.gif

90 ms

bcs0

bcs0

92 ms

creative_add_on.js

creative_add_on.js

161 ms

__utm.gif

__utm.gif

25 ms

ads

ads

220 ms

surly.js

surly.js

23 ms

ba.html

ba.html

11 ms

4.gif

4.gif

8 ms

2532.js

2532.js

4 ms

box_19_top-right.png

box_19_top-right.png

16 ms

ci.png

ci.png

10 ms

2261843248781471516

2261843248781471516

20 ms

abg.js

abg.js

23 ms

m_js_controller.js

m_js_controller.js

31 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

21 ms

s

s

19 ms

x_button_blue2.png

x_button_blue2.png

20 ms

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

2 ms

Accessibility Review

dusforum.de accessibility score

86

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

dusforum.de best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

dusforum.de SEO score

92

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dusforum.de can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Dusforum.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

dusforum.de

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