Tools & Wizards About Us
zew.de screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

zew.de

ZEW | Aktuelles aus dem ZEW – Startseite | ZEW

Page Load Speed

11.7 sec in total

First Response

345 ms

Resources Loaded

9.2 sec

Page Rendered

2.2 sec

zew.de screenshot

About Website

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.de

Key Findings

We analyzed Zew.de page load time and found that the first response time was 345 ms and then it took 11.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

zew.de performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value1,060 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value0.088

92/100

15%

TTI (Time to Interactive)

Value17.0 s

4/100

10%

Network Requests Diagram

zew.de

345 ms

zew.de

438 ms

www.zew.de

746 ms

31911ace0b.css

209 ms

main.css

320 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 95% of them (36 requests) were addressed to the original Zew.de, 3% (1 request) were made to Consent.cookiebot.eu and 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (7.3 sec) belongs to the original domain Zew.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 356.0 kB (3%)

Content Size

12.9 MB

After Optimization

12.5 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Zew.de main page is 12.9 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. 35% of websites need less resources to load. Images take 12.5 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 274.6 kB

  • Original 330.6 kB
  • After minification 226.9 kB
  • After compression 56.0 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. This page needs HTML code to be minified as it can gain 103.7 kB, which is 31% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 274.6 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 72.2 kB

  • Original 12.5 MB
  • After minification 12.5 MB

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.

JavaScript Optimization

-27%

Potential reduce by 9.2 kB

  • Original 34.5 kB
  • After minification 34.5 kB
  • After compression 25.3 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 9.2 kB or 27% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

34

After Optimization

34

  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZEW. According to our analytics all requests are already optimized.

Network Requests Diagram

zew.de

zew.de

345 ms

zew.de

zew.de

438 ms

www.zew.de

www.zew.de

746 ms

31911ace0b.css

31911ace0b.css

209 ms

main.css

main.css

320 ms

uc.js

uc.js

24 ms

main.js

main.js

433 ms

gtm.js

gtm.js

119 ms

icon_cursor_default.svg

icon_cursor_default.svg

152 ms

csm_Montipa1316x551_e1c00b1dba.jpg

csm_Montipa1316x551_e1c00b1dba.jpg

4098 ms

csm_StockPhotoPro_1316x551_f76cd66ff4.jpg

csm_StockPhotoPro_1316x551_f76cd66ff4.jpg

7345 ms

csm_HeroSlider_1316x551_Standard_WiPo_8e3718bd4d.jpg

csm_HeroSlider_1316x551_Standard_WiPo_8e3718bd4d.jpg

583 ms

csm_LunchDebate-AIAct-Heroslider_134b5b70c9.jpg

csm_LunchDebate-AIAct-Heroslider_134b5b70c9.jpg

985 ms

csm_AdobeStock_158745838_1316x551_Halfpoint_894f6e07d8.jpg

csm_AdobeStock_158745838_1316x551_Halfpoint_894f6e07d8.jpg

1664 ms

csm_AdobeStock_726337032_copyright_FUTURESEND_1200x1200_0d999e211d.jpg

csm_AdobeStock_726337032_copyright_FUTURESEND_1200x1200_0d999e211d.jpg

1204 ms

csm_AWH_1200x1200_837a6b2c6b.jpg

csm_AWH_1200x1200_837a6b2c6b.jpg

902 ms

csm_Konjunkturtableau_April24_EU_0e5635a05d.jpg

csm_Konjunkturtableau_April24_EU_0e5635a05d.jpg

1218 ms

csm_PatenteOleksii2_cd58b86a3b.jpg

csm_PatenteOleksii2_cd58b86a3b.jpg

2345 ms

EventsHighlightslider2023.jpg

EventsHighlightslider2023.jpg

1414 ms

csm_EFI-Gutachten-1764x1200_6ba9cedb4c.jpg

csm_EFI-Gutachten-1764x1200_6ba9cedb4c.jpg

2271 ms

csm_Digitalisierung_AdobeStock_Gerhard_Seybert_659x419_41323da24a.jpg

csm_Digitalisierung_AdobeStock_Gerhard_Seybert_659x419_41323da24a.jpg

1626 ms

csm_AdobeStock_289591959_bb_copyright_AndreyPopov_419x419_012527d445.gif

csm_AdobeStock_289591959_bb_copyright_AndreyPopov_419x419_012527d445.gif

1733 ms

csm_Europa_Themenseitenteaser_Startseite_288f6b009f.jpg

csm_Europa_Themenseitenteaser_Startseite_288f6b009f.jpg

2229 ms

2Klick30JahreZEW.jpg

2Klick30JahreZEW.jpg

1838 ms

awh.jpg

awh.jpg

1945 ms

ibe.jpg

ibe.jpg

2156 ms

fhe.jpg

fhe.jpg

2367 ms

sru.jpg

sru.jpg

2439 ms

cvs.jpg

cvs.jpg

2377 ms

tbk.jpg

tbk.jpg

3324 ms

hho.jpg

hho.jpg

2577 ms

nrz.jpg

nrz.jpg

2588 ms

srf.jpg

srf.jpg

2650 ms

hsh.jpg

hsh.jpg

2789 ms

mar.jpg

mar.jpg

2799 ms

graphic_key_visual.svg

graphic_key_visual.svg

2756 ms

web_DSC_2773.jpg

web_DSC_2773.jpg

2862 ms

icon-font.woff

icon-font.woff

2854 ms

Accessibility Review

zew.de accessibility score

98

Accessibility Issues

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

High

Links do not have a discernible name

Best Practices

zew.de best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

zew.de SEO score

89

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    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.

Social Sharing Optimization

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: