1.9 sec in total
242 ms
1.4 sec
211 ms
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Visit arbeitswissenschaft.deWe analyzed Arbeitswissenschaft.de page load time and found that the first response time was 242 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
arbeitswissenschaft.de performance score
name
value
score
weighting
Value2.7 s
61/100
10%
Value7.9 s
3/100
25%
Value8.5 s
18/100
10%
Value5,520 ms
0/100
30%
Value0.131
81/100
15%
Value9.6 s
29/100
10%
242 ms
110 ms
105 ms
33 ms
54 ms
Our browser made a total of 17 requests to load all elements on the main page. We found that 6% of them (1 request) were addressed to the original Arbeitswissenschaft.de, 82% (14 requests) were made to Iad.tu-darmstadt.de and 12% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (588 ms) relates to the external source Iad.tu-darmstadt.de.
Page size can be reduced by 95.8 kB (32%)
302.9 kB
207.1 kB
In fact, the total size of Arbeitswissenschaft.de main page is 302.9 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 201.5 kB which makes up the majority of the site volume.
Potential reduce by 12.2 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 12.2 kB or 66% of the original size.
Potential reduce by 22.2 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. Obviously, Arbeitswissenschaft needs image optimization as it can save up to 22.2 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 20.9 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 20.9 kB or 65% of the original size.
Potential reduce by 40.4 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. Arbeitswissenschaft.de needs all CSS files to be minified and compressed as it can save up to 40.4 kB or 80% of the original size.
We found no issues to fix!
15
15
The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Arbeitswissenschaft. According to our analytics all requests are already optimized.
arbeitswissenschaft.de
242 ms
home_20.de.jsp
110 ms
tudarmstadt_v19.css
105 ms
jquery.min.js
33 ms
jquery-ui.min.js
54 ms
tudarmstadt_v13.js
203 ms
css-sprite-repeat-y.png
102 ms
css-sprite_v02.png
227 ms
iad-header-02.jpg
588 ms
tud_logo_web_druck.png
298 ms
P2085593_h_cr_255x0.jpg
298 ms
2015_IAD_logo_182x0.jpg
200 ms
Cased_2_final_2_182x0.png
201 ms
schatten_unten.png
301 ms
jquery-ui-192custom.css
253 ms
klappmenue_iad.de.jsp
266 ms
ui-bg_flat_75_ffffff_40x100.png
102 ms
arbeitswissenschaft.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.
[aria-*] attributes do not have valid values
ARIA IDs are not unique
arbeitswissenschaft.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
arbeitswissenschaft.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
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Arbeitswissenschaft.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 Arbeitswissenschaft.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.
arbeitswissenschaft.de
Open Graph description is not detected on the main page of Arbeitswissenschaft. 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: