3.7 sec in total
286 ms
2.3 sec
1.1 sec
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 286 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
iwkoeln.de performance score
name
value
score
weighting
Value2.6 s
63/100
10%
Value5.4 s
20/100
25%
Value5.0 s
63/100
10%
Value770 ms
38/100
30%
Value0.079
94/100
15%
Value7.9 s
43/100
10%
286 ms
647 ms
204 ms
673 ms
434 ms
Our browser made a total of 54 requests to load all elements on the main page. We found that 89% of them (48 requests) were addressed to the original Iwkoeln.de, 4% (2 requests) were made to Code.etracker.com and 4% (2 requests) were made to Webtracking.iwmedien.de. The less responsive or slowest element that took the longest time to load (859 ms) relates to the external source Webtracking.iwmedien.de.
Page size can be reduced by 159.1 kB (38%)
414.4 kB
255.3 kB
In fact, the total size of Iwkoeln.de main page is 414.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. HTML takes 196.8 kB which makes up the majority of the site volume.
Potential reduce by 158.8 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 158.8 kB or 81% of the original size.
Potential reduce by 13 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. IW Koeln images are well optimized though.
Potential reduce by 314 B
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. This website has mostly compressed JavaScripts.
Number of requests can be reduced by 38 (88%)
43
5
The browser has sent 43 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 20 to 1 for JavaScripts and as a result speed up the page load time.
iwkoeln.de
286 ms
www.iwkoeln.de
647 ms
default.css
204 ms
e.js
673 ms
default.js
434 ms
hZttjWCPbSknxiD9e.js
434 ms
matomo.js
859 ms
csm_Fachkr%C3%A4ftemangel-GettyImages-2033361606-editorial_b710a6e40c.jpg
212 ms
csm_Fachkr%C3%A4fte-Maschinenbau-GettyImages-941796726-creative_893600c373.jpg
213 ms
csm_AfD-Wahlkampf-EU-Wahl-GettyImages-2149878201-editorial_c265ef4e40.jpg
354 ms
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357 ms
csm_IW-Trends_2024-02-03_B%C3%BCchel-Monsef_1632c54f54.png
380 ms
csm_IW-Trends_2024-02-04_Scheufen_0bfd8c1f39.png
455 ms
csm_Scholz-Flugzeug_Gallup-GettyImages-2047710782-editorial_69fd5aa380.jpg
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csm_Tarifverhandlungen_GettyImages-2147832868_editorial_95566f77a1.jpg
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csm_Voigtl%C3%A4nder-Prof.-Dr.-Michael_2_7ab3b349d8.jpg
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csm_Huether_Michael_IW_2019_7_deba98e0c4.jpg
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csm_iwd_2024_05_10_Investitionen-II_Hero_FB_ac94cf671c.png
544 ms
csm_iwd_2024_05_08_Arbeitszeit_Hero_FB_562c7b66f7.png
545 ms
csm_iwd_2024_05_07_Fuehrungspositionen_Hero_FB_4fd5c8195f.png
547 ms
csm_Immobilienfinanzierung_Stefan_Merkle_-_Fotolia_5c6b5274c0.jpg
549 ms
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547 ms
csm_Grafik-ISI-Slider-Umfrage-2020_14d5b0959d.png
571 ms
csm_Haucap-Aus-dem-IW_c289488d99.jpg
638 ms
csm_IW-Gebaeude-Rhein_57933a012f.jpg
637 ms
source-sans-pro-v13-latin-regular.woff
560 ms
source-sans-pro-v14-latin-600.woff
686 ms
source-sans-pro-v13-latin-700.woff
686 ms
icomoon.ttf
401 ms
acherus_grotesque_-_black-webfont.woff
452 ms
acherus_grotesque_-_bold-webfont.woff
651 ms
source-sans-pro-v13-latin-700italic.woff
486 ms
source-sans-pro-v14-latin-600italic.woff
597 ms
source-sans-pro-v13-latin-italic.woff
547 ms
vendors-node_modules_lodash_lodash_js.js
568 ms
base-body.js
566 ms
helper-lazyload.js
565 ms
components-cookie-banner.js
619 ms
components-navbar.js
618 ms
vendors-node_modules_core-js_modules_es_array_filter_js-node_modules_core-js_modules_es_array-0a805e.js
618 ms
components-outdated-browser.js
617 ms
components-overlay.js
692 ms
vendors-node_modules_core-js_modules_es_string_replace_js-node_modules_core-js_modules_web_do-7a5f53.js
696 ms
vendors-node_modules_splidejs_splide_dist_js_splide_esm_js.js
702 ms
modules-carousel.js
670 ms
t.js
120 ms
vendors-node_modules_core-js_modules_es_array_find_js-node_modules_core-js_modules_es_array_m-941b0d.js
679 ms
modules-form-autosuggest.js
663 ms
modules-form-multicheckbox.js
591 ms
cntcc
549 ms
matomo.php
173 ms
csm_Fachkr%C3%A4ftemangel-GettyImages-2033361606-editorial_1f8ea2cb74.jpg
97 ms
csm_Fachkr%C3%A4fte-Maschinenbau-GettyImages-941796726-creative_5310718a44.jpg
102 ms
iwkoeln.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-hidden="true"] elements contain focusable descendents
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
Page has valid source maps
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 data is detected on the main page of IW Koeln. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: