4.4 sec in total
321 ms
3.9 sec
229 ms
Visit dkfz.de now to see the best up-to-date Dkfz content for Austria and also check out these interesting facts you probably never knew about dkfz.de
The German Cancer Research Center (Deutsches Krebsforschungszentrum, DKFZ) with its more than 2,500 employees is the largest biomedical research institute in Germany. At DKFZ, more than 1,000 scientis...
Visit dkfz.deWe analyzed Dkfz.de page load time and found that the first response time was 321 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
dkfz.de performance score
name
value
score
weighting
Value5.1 s
8/100
10%
Value13.5 s
0/100
25%
Value9.5 s
11/100
10%
Value510 ms
57/100
30%
Value0
100/100
15%
Value11.5 s
18/100
10%
321 ms
840 ms
106 ms
213 ms
311 ms
Our browser made a total of 62 requests to load all elements on the main page. We found that 98% of them (61 requests) were addressed to the original Dkfz.de, 2% (1 request) were made to Econda-monitor.de. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Dkfz.de.
Page size can be reduced by 500.9 kB (21%)
2.4 MB
1.9 MB
In fact, the total size of Dkfz.de main page is 2.4 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. 25% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.
Potential reduce by 29.6 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 10.5 kB, which is 29% 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 29.6 kB or 82% of the original size.
Potential reduce by 77.2 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. Dkfz images are well optimized though.
Potential reduce by 318.0 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 318.0 kB or 71% of the original size.
Potential reduce by 76.0 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. Dkfz.de needs all CSS files to be minified and compressed as it can save up to 76.0 kB or 84% of the original size.
Number of requests can be reduced by 26 (45%)
58
32
The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dkfz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
dkfz.de
321 ms
www.dkfz.de
840 ms
index.html
106 ms
index.html
213 ms
chrome.css
311 ms
farb.css
215 ms
html5media.min.js
318 ms
jquery-ui-1.9.1.custom.css
327 ms
jquery-fancybox-1-3-4.css
215 ms
jquery-1.8.0.min.js
522 ms
jquery-ui-1.9.1.custom.min.js
944 ms
functions.js
331 ms
jquery-fancybox-1-3-4-pack.js
415 ms
jquery.jplayer.min.js
536 ms
emos2.js
328 ms
dkfz_logo50_en.gif
115 ms
searchbox.gif
113 ms
search-icon.gif
110 ms
icon-facebook.png
109 ms
icon-twitter.png
110 ms
mainnav-bg-1px.gif
113 ms
mainnav-bg-left-5px.gif
217 ms
separator.gif
214 ms
mainnav-bg-right-5px.gif
215 ms
Homepage-A-en-50.jpg
423 ms
Homepage-B-en-50.jpg
630 ms
Homepage-C-en-50.jpg
734 ms
Homepage-D-en-50.jpg
740 ms
Homepage-E-en-50.jpg
839 ms
Homepage-F-en-50.jpg
943 ms
Homepage-H-en-50.jpg
639 ms
Homepage-Merkel-en.jpg
844 ms
quick-access-button-open.png
723 ms
quick-access-bg.jpg
817 ms
arrow-white.png
825 ms
quick-access-button-close.png
829 ms
PNET_FOXR2_HE_233.jpg
1029 ms
arrow-intern-blue.png
926 ms
CUP3A_233.jpg
929 ms
Dickdarm_Aquarell_233.jpg
932 ms
rss-small.jpg
935 ms
arrow-backtotop.png
1028 ms
headline-bg-1px.gif
1031 ms
rounded-top-left.gif
1036 ms
rounded-top-right.gif
1040 ms
rounded-bottom-left.gif
1040 ms
rounded-bottom-right.gif
1133 ms
Spendenbutton-Homepage-EN.jpg
1135 ms
imagefilm-pic-atv.jpg
1139 ms
DZG_Logo.png
1142 ms
social-bookmarks-twitter-neu.jpg
1146 ms
73f2e50f-10fa-493d-bd74-3addfbf1ab99
180 ms
social-bookmarks-facebook.gif
1068 ms
social-bookmarks-delicious.gif
1160 ms
social-bookmarks-google.gif
1162 ms
social-bookmarks-windows.gif
1163 ms
social-bookmarks-yahoo.gif
1166 ms
helmholtz-gemeinschaft-logo.gif
1170 ms
helmholtz-gemeinschaft-logo2.gif
1071 ms
balloon-filling-ie.png
1163 ms
balloon.png
1163 ms
print.css
108 ms
dkfz.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 input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
Form elements do not have associated labels
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>).
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
dkfz.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
Page has valid source maps
dkfz.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
N/A
DE
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dkfz.de can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is German. Our system also found out that Dkfz.de main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
dkfz.de
Open Graph description is not detected on the main page of Dkfz. 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: