7.8 sec in total
391 ms
3.8 sec
3.6 sec
Click here to check amazing Wupperinst content for Germany. Otherwise, check out these important facts you probably never knew about wupperinst.org
Das Wuppertal Institut erforscht und entwickelt Leitbilder, Strategien und Instrumente für Übergänge zu einer nachhaltigen Entwicklung. Im Zentrum stehen Ressourcen-, Klima- und Energieherausforderung...
Visit wupperinst.orgWe analyzed Wupperinst.org page load time and found that the first response time was 391 ms and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
wupperinst.org performance score
name
value
score
weighting
Value2.7 s
59/100
10%
Value5.9 s
14/100
25%
Value4.1 s
79/100
10%
Value110 ms
98/100
30%
Value0.794
5/100
15%
Value4.9 s
78/100
10%
391 ms
625 ms
203 ms
301 ms
423 ms
Our browser made a total of 54 requests to load all elements on the main page. We found that all of those requests were addressed to Wupperinst.org and no external sources were called. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Wupperinst.org.
Page size can be reduced by 105.0 kB (10%)
1.1 MB
961.6 kB
In fact, the total size of Wupperinst.org 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. 55% of websites need less resources to load. Images take 926.0 kB which makes up the majority of the site volume.
Potential reduce by 105.0 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 105.0 kB or 75% of the original size.
Potential reduce by 0 B
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. Wupperinst images are well optimized though.
Number of requests can be reduced by 20 (44%)
45
25
The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wupperinst. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
wupperinst.org
391 ms
wupperinst.org
625 ms
ig_gdpr.min-f3f3d48f4c0131780b777a6ea7937a14.css
203 ms
fonts-07f5187d876cda3a0cf19523979da6ed.css
301 ms
site-ace9db1000d2f3078866a8388af88591.css
423 ms
logo-de.png
329 ms
site.js
1063 ms
ext.js
233 ms
jquery.datetimepicker.min.js
304 ms
Tabs.min.js
1058 ms
Form.min.js
1059 ms
ig_gdpr.min.js
1058 ms
csm_Getty_878771488_Fahnen_1a15fcf8a3.jpg
1059 ms
csm_Thinkstock_469711926_Tagung_6163246ac2.jpg
1585 ms
csm_Getty_823207548_Abfallvermeidung_2165e4a351.jpg
1587 ms
csm_Getty_1293847813_Erde-Kinder_87929c59fb.jpg
1586 ms
csm_JRF_Logo_de_2c8c7792bd.jpg
1583 ms
icon-search.svg
987 ms
icon-slider-next.svg
962 ms
icon-slider-prev.svg
980 ms
tile-mail.svg
980 ms
tile-wi.svg
983 ms
button-arrow-up.svg
988 ms
button-print.svg
1003 ms
button-share-twitter.svg
1008 ms
button-share-facebook.svg
977 ms
button-share-xing-neu.svg
984 ms
button-share-linkedin.svg
980 ms
button-twitter.svg
997 ms
button-youtube.svg
1000 ms
button-flickr.svg
1002 ms
button-rss.svg
1003 ms
button-newsletter.svg
1005 ms
csm_SL_Getty_460915871_Autoschluessel_Carsharing_ef63c4456a.jpg
316 ms
csm_SL_Getty_1208084898_LED-Installation_fbfe5745a1.jpg
315 ms
csm_SL_Getty_1007817576_EU-Passport_f3a34409d1.jpg
337 ms
csm_Getty_174698684_PV_Solarthermie_943e7143fe.jpg
459 ms
csm_Thinkstock_188076117_FG_Systeme_cc80d10099.jpg
337 ms
csm_Thinkstock_106440111_FG_Politik_d28af0a62e.jpg
335 ms
csm_Thinkstock_178579708_FG_Produktion_6771f7f798.jpg
433 ms
csm_Thinkstock_87681015_ret2_Kreislaufwirtschaft_13ed78f344.jpg
494 ms
csm_Fischedick_Manfred_zit_09ff4469c4.jpg
434 ms
csm_Podcast_Zukunftswissen_Logo_pur_56ed3e841f.png
435 ms
csm_Oekologischer_Rucksack_c50cb4bc47.png
510 ms
csm_SL_Getty_460915871_Autoschluessel_Carsharing_9f5c129c8d.jpg
486 ms
csm_Thinkstock_188076117_FG_Systeme_ad416a9052.jpg
492 ms
3012A6_0_0.woff
419 ms
Gotham-Bold_Web.woff
405 ms
Gotham-Medium_Web.woff
608 ms
Gotham-Book_Web.woff
618 ms
Gotham-Light_Web.woff
617 ms
3012A6_2_0.woff
619 ms
3012A6_1_0.woff
618 ms
print-84564b0bb9035fe82b7d9dcea231d950.css
107 ms
wupperinst.org 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
button, link, and menuitem elements do not have accessible names.
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
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
Form elements do not have associated labels
Links do not have a discernible name
wupperinst.org 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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
wupperinst.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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 Wupperinst.org 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 Wupperinst.org 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.
wupperinst.org
Open Graph description is not detected on the main page of Wupperinst. 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: