2.9 sec in total
294 ms
2.4 sec
238 ms
Click here to check amazing IZT content for Germany. Otherwise, check out these important facts you probably never knew about izt.de
Institut für Zukunftsstudien und Technologiebewertung gemeinnützige GmbH
Visit izt.deWe analyzed Izt.de page load time and found that the first response time was 294 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
izt.de performance score
name
value
score
weighting
Value3.0 s
49/100
10%
Value6.4 s
9/100
25%
Value5.2 s
59/100
10%
Value10 ms
100/100
30%
Value0.001
100/100
15%
Value5.2 s
74/100
10%
294 ms
544 ms
95 ms
187 ms
281 ms
Our browser made a total of 55 requests to load all elements on the main page. We found that 98% of them (54 requests) were addressed to the original Izt.de, 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (752 ms) belongs to the original domain Izt.de.
Page size can be reduced by 210.5 kB (44%)
482.9 kB
272.4 kB
In fact, the total size of Izt.de main page is 482.9 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. 25% of websites need less resources to load. Images take 281.5 kB which makes up the majority of the site volume.
Potential reduce by 27.1 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 3.9 kB, which is 11% 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 27.1 kB or 80% of the original size.
Potential reduce by 64.1 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. Obviously, IZT needs image optimization as it can save up to 64.1 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 78.9 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 78.9 kB or 68% of the original size.
Potential reduce by 40.3 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. Izt.de needs all CSS files to be minified and compressed as it can save up to 40.3 kB or 78% of the original size.
Number of requests can be reduced by 32 (60%)
53
21
The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IZT. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.
izt.de
294 ms
www.izt.de
544 ms
stylesheet_c7fb0be751.css
95 ms
custom.css
187 ms
reset.css
281 ms
screen.css
282 ms
typography.css
278 ms
teaser.css
284 ms
print.css
287 ms
mobile.css
285 ms
jquery-1.11.1.min.js
468 ms
jquery.tabs.js
752 ms
izt.js
373 ms
javascript_30dfc31e5a.js
375 ms
css
53 ms
tabs.css
98 ms
form.css
101 ms
citavi.css
186 ms
mobile.min.css
183 ms
720.min.css
185 ms
960.min.css
189 ms
icon_social_meta_rg.png
97 ms
icon_social_meta_twitter.png
95 ms
icon_social_meta_youtube.png
93 ms
IZT_Logo_RGB_de_f_623px.png
96 ms
icon_searchbutton.png
93 ms
izt_slider_c1_xs_all.png
276 ms
izt_slider_c2_xs_all.png
551 ms
izt_slider_c3_xs_all.png
278 ms
csm_Solarkraftwerk_Marokko_Weltbank_65d04369ec.jpg
187 ms
arrow_medium_right_yellow.png
186 ms
csm_PROJEKTFOTO_PeerS_Fotolia_Oe_56851667_L_01_387d206306.jpg
186 ms
csm__c__darmstadtium_juergenmai.com_2043f7f154.png
373 ms
csm_Cover_IZT-Text_Korte_2015_68f75cb62b.png
371 ms
csm_coverEdgar2_a3c8cad633.png
564 ms
csm_Berliner_Energietage_2016_Logo_RGB_eck_klein_a28dde1919.jpg
367 ms
csm_Hirndoping_free_stock__my_pills_2_by_mmp_stock_03_c299008a60.jpg
369 ms
csm_Cover_JB2014_deafe2ffbc.png
458 ms
tab_logo_web.png
460 ms
csm_Ecornet-Logo_RGB_S_cdbf867f11.png
460 ms
icon_social_share_twitter.png
462 ms
icon_social_share_facebook.png
550 ms
icon_social_share_googleplus.png
553 ms
icon_social_share_email.png
552 ms
icon_social_share_print.png
552 ms
arrow_mini_up_yellow.png
639 ms
logo_izt_white_no_claim.png
641 ms
icon_social_follow_rgr.png
643 ms
icon_social_follow_twitter.png
642 ms
icon_social_follow_youtube.png
644 ms
arrow_small_right_yellow.png
654 ms
slider_arrow_left.png
729 ms
slider_arrow_right.png
731 ms
slider_dot.png
733 ms
slider_dot_active.png
734 ms
izt.de accessibility score
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
Links do not have a discernible name
izt.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
General
Impact
Issue
Detected JavaScript libraries
izt.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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 Izt.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 Izt.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.
izt.de
Open Graph description is not detected on the main page of IZT. 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: