4.6 sec in total
618 ms
3.5 sec
458 ms
Click here to check amazing Ressource Deutschland content for Germany. Otherwise, check out these important facts you probably never knew about ressource-deutschland.de
Das VDI Zentrum Ressourceneffizienz bietet Informationen, Instrumente, Publikationen und Filme zum Thema Ressourceneffizienz. Mehr dazu! ►
Visit ressource-deutschland.deWe analyzed Ressource-deutschland.de page load time and found that the first response time was 618 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
ressource-deutschland.de performance score
name
value
score
weighting
Value7.7 s
0/100
10%
Value55.0 s
0/100
25%
Value32.3 s
0/100
10%
Value6,610 ms
0/100
30%
Value0.071
96/100
15%
Value43.9 s
0/100
10%
618 ms
788 ms
218 ms
226 ms
219 ms
Our browser made a total of 60 requests to load all elements on the main page. We found that 95% of them (57 requests) were addressed to the original Ressource-deutschland.de, 3% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Statistik.vdi-zre.de. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Ressource-deutschland.de.
Page size can be reduced by 713.0 kB (63%)
1.1 MB
423.4 kB
In fact, the total size of Ressource-deutschland.de main page is 1.1 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. 45% of websites need less resources to load. Javascripts take 613.7 kB which makes up the majority of the site volume.
Potential reduce by 50.7 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 50.7 kB or 81% of the original size.
Potential reduce by 5.6 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. Ressource Deutschland images are well optimized though.
Potential reduce by 426.4 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 426.4 kB or 69% of the original size.
Potential reduce by 230.3 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. Ressource-deutschland.de needs all CSS files to be minified and compressed as it can save up to 230.3 kB or 86% of the original size.
Number of requests can be reduced by 17 (31%)
55
38
The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ressource Deutschland. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
ressource-deutschland.de
618 ms
www.ressource-deutschland.de
788 ms
style.css
218 ms
prozessketten.css
226 ms
zre-instrumente.css
219 ms
default.css
222 ms
ext.css
231 ms
resourcenschonendesGebaeude.css
235 ms
javascript_a708894199.js
327 ms
style.min.css
436 ms
jsfunc.menu.js
330 ms
library.min.js
1106 ms
script.min.js
247 ms
functions.js
259 ms
jquery.nyroModal-1.6.2.pack.js
460 ms
jquery-ui-1.8.7.custom.min.js
669 ms
jquery.ba-hashchange.min.js
415 ms
prozessketten.js
415 ms
zre-instrumente.js
441 ms
logo.png
137 ms
logo-bmub.png
145 ms
logo-nki.png
186 ms
search.png
206 ms
navigation-bg.png
262 ms
navigation-flyout-bg.png
282 ms
bg-stage.png
296 ms
headline-icons.png
316 ms
f500ef12f6.jpg
386 ms
f2cbb8d364.jpg
539 ms
e7611ab808.jpg
421 ms
0eb900bc39.jpg
426 ms
bdc4e682b2.jpg
429 ms
tab-bg.png
496 ms
09b3885371.jpg
547 ms
18d460a04b.jpg
546 ms
3c815e40b9.jpg
583 ms
read-all.png
606 ms
32299b21fc.jpg
666 ms
8552e97be6.jpg
692 ms
icon-download.png
680 ms
37561b35ce.jpg
700 ms
icon-play.png
725 ms
ab7b779e22.jpg
887 ms
c51e2978db.jpg
888 ms
45e77f6204.jpg
887 ms
303d7060ac.jpg
888 ms
18fe0fabfd.jpg
890 ms
03f9110d43.jpg
888 ms
bg-footer-2.png
878 ms
icon-submit-button.png
867 ms
cabin-regular-webfont.woff
879 ms
cabin-bold-webfont.woff
985 ms
cabin-medium-webfont.woff
902 ms
piwik.js
949 ms
analytics.js
105 ms
slideshow-nav.png
123 ms
slideshow-dots.png
152 ms
ajax-loader.gif
173 ms
slideshowS-nav.png
161 ms
collect
11 ms
ressource-deutschland.de accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
[aria-hidden="true"] elements contain focusable descendents
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[role]s are not contained by their required parent element
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
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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.
ressource-deutschland.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
ressource-deutschland.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ressource-deutschland.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 Ressource-deutschland.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.
ressource-deutschland.de
Open Graph description is not detected on the main page of Ressource Deutschland. 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: