3.9 sec in total
385 ms
3.1 sec
339 ms
Visit zew.de now to see the best up-to-date ZEW content for Germany and also check out these interesting facts you probably never knew about zew.de
Aktuelle Meldungen, Pressemitteilungen und Informationen zu Publikationen und Veranstaltungen des ZEW – Leibniz-Zentrum für Europäische Wirtschaftsforschung
Visit zew.deWe analyzed Zew.de page load time and found that the first response time was 385 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
zew.de performance score
name
value
score
weighting
Value3.9 s
26/100
10%
Value6.9 s
6/100
25%
Value5.8 s
50/100
10%
Value560 ms
53/100
30%
Value0.075
95/100
15%
Value12.0 s
16/100
10%
385 ms
429 ms
616 ms
101 ms
304 ms
Our browser made a total of 54 requests to load all elements on the main page. We found that 87% of them (47 requests) were addressed to the original Zew.de, 6% (3 requests) were made to Consent.cookiebot.com and 4% (2 requests) were made to Consentcdn.cookiebot.com. The less responsive or slowest element that took the longest time to load (927 ms) belongs to the original domain Zew.de.
Page size can be reduced by 241.0 kB (14%)
1.7 MB
1.5 MB
In fact, the total size of Zew.de main page is 1.7 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. Images take 1.5 MB which makes up the majority of the site volume.
Potential reduce by 132.7 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 132.7 kB or 83% of the original size.
Potential reduce by 21.3 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. ZEW images are well optimized though.
Potential reduce by 87.0 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 87.0 kB or 77% of the original size.
Number of requests can be reduced by 23 (49%)
47
24
The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZEW. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.
zew.de
385 ms
zew.de
429 ms
www.zew.de
616 ms
31911ace0b.css
101 ms
main.css
304 ms
uc.js
38 ms
develop.css
295 ms
main.js
594 ms
dateFilterEnable.js
293 ms
imageGallery.js
430 ms
tabaccordionLazyload.js
431 ms
gtm.js
193 ms
configuration.js
244 ms
cc.js
243 ms
zew_logo_deutsch_noclaim.svg
205 ms
blank.gif
203 ms
Institutsbox_Bild.jpg
215 ms
2Klick30JahreZEW.jpg
334 ms
icon_social_rss.svg
214 ms
icon_social_youtube.svg
271 ms
icon_social_twitter.svg
273 ms
icon_social_linkedin.svg
274 ms
icon_social_flickr.svg
276 ms
zew_logo_leipniz.png
277 ms
icon_search.svg
293 ms
MetaWeb-Normal.woff
374 ms
PRFeqAAAAHicY2BigAAuBuyAlZGJkZmRhZGVkY2BKdOAKdOQKdOIKdOYgQEAGQYCnQAA
68 ms
open-sans_latin.woff
278 ms
europa_1500x480.jpg
454 ms
institut_1500x480.jpg
522 ms
csm_Sportfoerderung_focusandblur_Adobe_Stock_480x570_5627b9e451.jpg
683 ms
icon_category.svg
304 ms
csm_Inflationsziel1f_cad6b6db8d.jpg
453 ms
csm_Gruendungspanel_web_455a2ee7d5.jpg
455 ms
csm_FMT_08_2022_DE_09dfb9ca75.jpg
456 ms
csm_Slider_AdobeStock_479736101_1166b9289e.jpg
691 ms
icon_navi_zew.svg
458 ms
icon_navi_forschung.svg
497 ms
icon_navi_publikationen.svg
499 ms
icon_navi_events_hover.svg
523 ms
csm_Themenseite-Klima-02_54c417f550.jpg
883 ms
csm_Header_732x220_7170e74258.jpg
691 ms
csm_EyeCandyCoronaKriseStartseite_732x220_e919674b67.png
927 ms
csm_EyeCandyDigitalisierung_Startseite_732x220_86d375f317.jpg
722 ms
csm_ThemenseiteEuropa_EyeCandyStartseite_732x220_421c9635ce.jpg
780 ms
icon_headline_aktuell.svg
790 ms
icon_headline_publikationen.svg
792 ms
icon_headline_kalender.svg
824 ms
icon_headline_youtube.svg
876 ms
icon_shortlink.svg
882 ms
playfair-display-v13-latin-regular.woff
797 ms
bc-v4.min.html
51 ms
uc.js
13 ms
main.js
115 ms
zew.de accessibility score
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
zew.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
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
zew.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 Zew.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 Zew.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.
zew.de
Open Graph data is detected on the main page of ZEW. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: