8.8 sec in total
1.2 sec
7.3 sec
249 ms
Welcome to csg.uzh.ch homepage info - get ready to check Csg UZH best content for Switzerland right away, or after learning these important things about csg.uzh.ch
Visit csg.uzh.chWe analyzed Csg.uzh.ch page load time and found that the first response time was 1.2 sec and then it took 7.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
csg.uzh.ch performance score
name
value
score
weighting
Value2.8 s
55/100
10%
Value2.8 s
82/100
25%
Value5.2 s
60/100
10%
Value10 ms
100/100
30%
Value0
100/100
15%
Value3.4 s
93/100
10%
1247 ms
1354 ms
126 ms
199 ms
200 ms
Our browser made a total of 26 requests to load all elements on the main page. We found that 77% of them (20 requests) were addressed to the original Csg.uzh.ch, 15% (4 requests) were made to Uzh.ch and 8% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (4 sec) relates to the external source Uzh.ch.
Page size can be reduced by 59.7 kB (18%)
335.6 kB
275.8 kB
In fact, the total size of Csg.uzh.ch main page is 335.6 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. Only 10% of websites need less resources to load. Images take 277.9 kB which makes up the majority of the site volume.
Potential reduce by 9.4 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 9.4 kB or 68% of the original size.
Potential reduce by 28.2 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. Csg UZH images are well optimized though.
Potential reduce by 4.0 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 4.0 kB or 18% of the original size.
Potential reduce by 18.2 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. Csg.uzh.ch needs all CSS files to be minified and compressed as it can save up to 18.2 kB or 84% of the original size.
We found no issues to fix!
16
16
The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Csg UZH. According to our analytics all requests are already optimized.
csg.uzh.ch
1247 ms
www.csg.uzh.ch
1354 ms
simple.css
126 ms
jquery-1.4.1.min.js
199 ms
jquery.iframe-auto-height.plugin.js
200 ms
jquery.tablesorter.min.js
215 ms
jquery.metadata.js
215 ms
uni.js
238 ms
publication.js
242 ms
jquery-1.4.1.min.js
4006 ms
jquery.iframe-auto-height.plugin.js
4005 ms
jquery.tablesorter.min.js
4011 ms
jquery.metadata.js
3995 ms
uzh_logo_e_pos_web_simpleview.jpg
208 ms
arrow_right.png
122 ms
csg_mar_15_tn.png
521 ms
arrow_upright.png
126 ms
CeBIT-Logo.jpg
136 ms
CeBIT-Switzerland-Partnerland.jpg
238 ms
ifi.gif
249 ms
uzh.gif.jpeg
255 ms
logo.png
378 ms
arrow_up.png
305 ms
uzh_logo_e_pos.svg
496 ms
ga.js
6 ms
__utm.gif
13 ms
csg.uzh.ch 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.
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
<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.
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
Image elements do not have [alt] attributes
Links do not have a discernible name
<object> elements do not have alternate text
csg.uzh.ch 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
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
csg.uzh.ch SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
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
EN
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Csg.uzh.ch can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Csg.uzh.ch 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.
csg.uzh.ch
Open Graph description is not detected on the main page of Csg UZH. 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: