5.7 sec in total
735 ms
4.6 sec
391 ms
Visit iwkoeln.de now to see the best up-to-date IW Koeln content for Germany and also check out these interesting facts you probably never knew about iwkoeln.de
Das IW ist ein privates Wirtschaftsforschungsinstitut, das sich mit Wirtschafts- und Sozialpolitik, dem Bildungssystem und dem Arbeitsmarkt beschäftigt.
Visit iwkoeln.deWe analyzed Iwkoeln.de page load time and found that the first response time was 735 ms and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
iwkoeln.de performance score
name
value
score
weighting
Value3.2 s
43/100
10%
Value6.8 s
7/100
25%
Value6.2 s
43/100
10%
Value1,520 ms
13/100
30%
Value0.008
100/100
15%
Value7.8 s
44/100
10%
735 ms
372 ms
356 ms
546 ms
1095 ms
Our browser made a total of 58 requests to load all elements on the main page. We found that 71% of them (41 requests) were addressed to the original Iwkoeln.de, 16% (9 requests) were made to Pbs.twimg.com and 7% (4 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Iwkoeln.de.
Page size can be reduced by 657.3 kB (53%)
1.2 MB
571.7 kB
In fact, the total size of Iwkoeln.de main page is 1.2 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 582.6 kB which makes up the majority of the site volume.
Potential reduce by 49.0 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 15.2 kB, which is 26% 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 49.0 kB or 83% of the original size.
Potential reduce by 17.7 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. IW Koeln images are well optimized though.
Potential reduce by 407.7 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 407.7 kB or 70% of the original size.
Potential reduce by 182.9 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. Iwkoeln.de needs all CSS files to be minified and compressed as it can save up to 182.9 kB or 83% of the original size.
Number of requests can be reduced by 25 (45%)
55
30
The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IW Koeln. 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.
www.iwkoeln.de
735 ms
condensed-a9984a78.css
372 ms
custom-12a20322.css
356 ms
jquery-1.9.1.min-96d10b1d.js
546 ms
bottom-60fea8de.js
1095 ms
logo-b1d7da92.png
180 ms
imgItem-1a263ea0.png
362 ms
borderBottomTop.png
179 ms
imgEng.png
181 ms
sprite-icons.png
357 ms
bgBlue.png
358 ms
bgNav.png
358 ms
borderSearch.png
358 ms
dividerNav.png
360 ms
bgContent.png
534 ms
icons-social.png
535 ms
03956987.jpg
712 ms
iconArrowBig-9f42629f.png
536 ms
borderBottom.png
537 ms
04468982.jpg
716 ms
arrowLink-5df04255.png
709 ms
04473316.jpg
710 ms
04455876.jpg
710 ms
iconUnlockBig-1994756f.png
714 ms
04440969.jpg
1064 ms
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888 ms
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886 ms
04453934.jpg
889 ms
04455189.jpg
893 ms
borderDottedBlue.png
892 ms
04428856.jpg
1064 ms
iconVideoBig-3fef265b.png
1063 ms
04385654.jpg
1064 ms
imgInteractiveGrafic-55537389.png
1071 ms
04354310.jpg
1071 ms
logoFooter-22476903.png
1239 ms
widgets.js
45 ms
bgBlueDark.png
1193 ms
borderDottedRight.png
1194 ms
SourceSansPro-Regular.ttf
2075 ms
SourceSansPro-Bold.ttf
1550 ms
piwik.js
906 ms
ui-bg_flat_75_ffffff_40x100.png
1162 ms
timeline.1b43d11859b7663a2225b885f87704a5.js
27 ms
syndication
98 ms
344824862591827968
399 ms
timeline.4d087f49a21e27038d9769d7c976b8fa.default.css
2 ms
timeline.4d087f49a21e27038d9769d7c976b8fa.default.css
5 ms
ATvB4kw6_normal.jpg
125 ms
oHlTVT_Q_normal.jpeg
150 ms
bEuNELKu_normal.png
177 ms
Logo_normal.jpg
210 ms
WDymQKHU_normal.png
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6Hi6tcSL_normal.jpeg
448 ms
Nuy9DoPV_normal.jpeg
248 ms
dFT2Qrci_normal.jpg
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cB3Cbj23_normal.jpeg
251 ms
jot
26 ms
iwkoeln.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
Buttons do not have an accessible 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
iwkoeln.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
iwkoeln.de SEO score
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
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Iwkoeln.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 Iwkoeln.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.
iwkoeln.de
Open Graph description is not detected on the main page of IW Koeln. 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: