9.3 sec in total
3.3 sec
5.1 sec
918 ms
Click here to check amazing Duales content for Germany. Otherwise, check out these important facts you probably never knew about duales.de
Fernstudium in Deutschland: Alle Fernstudiengänge, Unis & FHs auf einen Blick ✅ Voraussetzungen ✅ Ablauf ✅ uvm.
Visit duales.deWe analyzed Duales.de page load time and found that the first response time was 3.3 sec and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
duales.de performance score
name
value
score
weighting
Value6.7 s
2/100
10%
Value8.3 s
2/100
25%
Value9.6 s
11/100
10%
Value160 ms
94/100
30%
Value0.201
62/100
15%
Value11.7 s
17/100
10%
3273 ms
567 ms
103 ms
195 ms
195 ms
Our browser made a total of 32 requests to load all elements on the main page. We found that 88% of them (28 requests) were addressed to the original Duales.de, 6% (2 requests) were made to Valao.de and 3% (1 request) were made to Banners.webmasterplan.com. The less responsive or slowest element that took the longest time to load (3.3 sec) belongs to the original domain Duales.de.
Page size can be reduced by 98.9 kB (23%)
423.7 kB
324.8 kB
In fact, the total size of Duales.de main page is 423.7 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. 20% of websites need less resources to load. Images take 302.7 kB which makes up the majority of the site volume.
Potential reduce by 16.7 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 16.7 kB or 67% of the original size.
Potential reduce by 17.0 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. Duales images are well optimized though.
Potential reduce by 50.8 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 50.8 kB or 65% of the original size.
Potential reduce by 14.4 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. Duales.de needs all CSS files to be minified and compressed as it can save up to 14.4 kB or 78% of the original size.
Number of requests can be reduced by 8 (27%)
30
22
The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duales. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
duales.de
3273 ms
www.duales.de
567 ms
sf.css
103 ms
sd.css
195 ms
sc.css
195 ms
ssb.css
246 ms
scal.css
242 ms
jq.js
308 ms
jqcf.js
244 ms
script.js
230 ms
view.asp
453 ms
pbackground.gif
103 ms
s2dlogo.jpg
480 ms
duales-studium1_460.jpg
192 ms
sportmanagement_120.jpg
100 ms
ziel_120.jpg
101 ms
eingang_120.jpg
102 ms
fotolia_10793684_xs_120.jpg
198 ms
g1_120.jpg
197 ms
fotolia_6135209_xs_120.jpg
200 ms
schulbuch_120.jpg
203 ms
check1_120.jpg
286 ms
hoersaal_120.jpg
295 ms
bsplogo14_sbp.jpg
295 ms
ptitle.gif
295 ms
pmainback.gif
298 ms
pnavsel.gif
377 ms
pline.gif
387 ms
160x600px.jpg
584 ms
pmainbacktop.gif
259 ms
pmainbackbottom.gif
267 ms
light-floating.css
213 ms
duales.de accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
Image elements do not have [alt] attributes
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
List items (<li>) are not contained within <ul> or <ol> parent elements.
duales.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
duales.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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
Document uses legible font sizes
Tap targets are not sized appropriately
DE
DE
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Duales.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 Duales.de main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
duales.de
Open Graph description is not detected on the main page of Duales. 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: