2.7 sec in total
376 ms
2.1 sec
223 ms
Visit zentrale-du.de now to see the best up-to-date Zentrale DU content for Germany and also check out these interesting facts you probably never knew about zentrale-du.de
Duisburg Informationen zu Firmen, Branchen, Veranstaltungen in und um Duisburg. Werbung fr Firmen mit guter Websitpromotion durch Integration der Module des Duisburg Stadtportal http://www.zentrale-du...
Visit zentrale-du.deWe analyzed Zentrale-du.de page load time and found that the first response time was 376 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.
zentrale-du.de performance score
name
value
score
weighting
Value0
0/100
10%
Value0
0/100
25%
Value0
0/100
10%
Value0
0/100
30%
Value0.003
100/100
15%
Value0
0/100
10%
376 ms
130 ms
256 ms
146 ms
203 ms
Our browser made a total of 94 requests to load all elements on the main page. We found that 49% of them (46 requests) were addressed to the original Zentrale-du.de, 47% (44 requests) were made to Zentrale-du.com and 1% (1 request) were made to Unwetterzentrale.de. The less responsive or slowest element that took the longest time to load (976 ms) relates to the external source Zentrale-du.com.
Page size can be reduced by 15.8 kB (33%)
48.2 kB
32.4 kB
In fact, the total size of Zentrale-du.de main page is 48.2 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. 25% of websites need less resources to load. Images take 46.2 kB which makes up the majority of the site volume.
Potential reduce by 1.0 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 1.0 kB or 53% of the original size.
Potential reduce by 14.7 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, Zentrale DU needs image optimization as it can save up to 14.7 kB or 32% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 27 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 27 B or 28% of the original size.
Number of requests can be reduced by 70 (78%)
90
20
The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zentrale DU. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
zentrale-du.de
376 ms
navigationhead_B.html
130 ms
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date.js
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zentrale-du.de accessibility score
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
<frame> or <iframe> elements do not have a title
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
zentrale-du.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Browser errors were logged to the console
zentrale-du.de SEO score
DE
N/A
N/A
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zentrale-du.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 Zentrale-du.de main page’s claimed encoding is . 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.
zentrale-du.de
Open Graph description is not detected on the main page of Zentrale DU. 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: