4 sec in total
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2.9 sec
204 ms
Welcome to fiz-karlsruhe.de homepage info - get ready to check FIZ Karlsruhe best content for Germany right away, or after learning these important things about fiz-karlsruhe.de
FIZ Karlsruhe – Leibniz-Institut für Informationsinfrastruktur ist eine der großen Informationsinfrastruktureinrichtung in Deutschland
Visit fiz-karlsruhe.deWe analyzed Fiz-karlsruhe.de page load time and found that the first response time was 915 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
fiz-karlsruhe.de performance score
name
value
score
weighting
Value3.4 s
38/100
10%
Value8.2 s
2/100
25%
Value8.3 s
19/100
10%
Value1,430 ms
15/100
30%
Value0.048
99/100
15%
Value8.2 s
40/100
10%
915 ms
295 ms
303 ms
60 ms
693 ms
Our browser made a total of 46 requests to load all elements on the main page. We found that 76% of them (35 requests) were addressed to the original Fiz-karlsruhe.de, 17% (8 requests) were made to Fonts.gstatic.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (959 ms) relates to the external source Partners.fiz-karlsruhe.de.
Page size can be reduced by 136.9 kB (14%)
965.2 kB
828.3 kB
In fact, the total size of Fiz-karlsruhe.de main page is 965.2 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. 30% of websites need less resources to load. Images take 818.6 kB which makes up the majority of the site volume.
Potential reduce by 42.8 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. This page needs HTML code to be minified as it can gain 5.9 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 42.8 kB or 80% of the original size.
Potential reduce by 15.0 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. FIZ Karlsruhe images are well optimized though.
Potential reduce by 79.1 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. Fiz-karlsruhe.de needs all CSS files to be minified and compressed as it can save up to 79.1 kB or 85% of the original size.
Number of requests can be reduced by 3 (10%)
31
28
The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of FIZ Karlsruhe. 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 CSS and as a result speed up the page load time.
www.fiz-karlsruhe.de
915 ms
stylesheet_59948cbdc7.css
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javascript_bd4d1f63e4.js
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css
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main-83e92f0dfe30ad4af68962f389b4d522.css
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vhs-assets-lightbox-owlcss-browserdetection-print.css
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jquery.min.js
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jquery-ui.min.js
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vhs-assets-mainnv-lightboxjs-browser-detection-owl-touchswipe-projectslider-homepageslider-verbs-newsbanner-script-responsive-wttwitter-cookie-contrast.js
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vhs-assets-socialshareprivacy-socialshareprivacyjs.js
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CcYZMevUEAA7fKd.jpg
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FIZ-Logo_de.svg
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ajax-loader.gif
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piwik.js
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fiz-karlsruhe.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.
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
fiz-karlsruhe.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
Missing source maps for large first-party JavaScript
fiz-karlsruhe.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
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 Fiz-karlsruhe.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 Fiz-karlsruhe.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.
fiz-karlsruhe.de
Open Graph description is not detected on the main page of FIZ Karlsruhe. 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: