2.2 sec in total
106 ms
1.5 sec
615 ms
Welcome to csem.ch homepage info - get ready to check Csem best content for Switzerland right away, or after learning these important things about csem.ch
CSEM is an internationally recognized Swiss innovation center that develops disruptive technologies with a high societal impact and multiple industry applications.
Visit csem.chWe analyzed Csem.ch page load time and found that the first response time was 106 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
csem.ch performance score
name
value
score
weighting
Value5.3 s
7/100
10%
Value5.5 s
19/100
25%
Value8.8 s
15/100
10%
Value1,360 ms
16/100
30%
Value0.017
100/100
15%
Value11.8 s
17/100
10%
106 ms
22 ms
88 ms
566 ms
29 ms
Our browser made a total of 42 requests to load all elements on the main page. We found that 38% of them (16 requests) were addressed to the original Csem.ch, 19% (8 requests) were made to Images.prismic.io and 19% (8 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (566 ms) belongs to the original domain Csem.ch.
Page size can be reduced by 408.2 kB (51%)
796.5 kB
388.3 kB
In fact, the total size of Csem.ch main page is 796.5 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. 60% of websites need less resources to load. HTML takes 538.6 kB which makes up the majority of the site volume.
Potential reduce by 408.2 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 408.2 kB or 76% of the original size.
Potential reduce by 0 B
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. Csem images are well optimized though.
Potential reduce by 24 B
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. This website has mostly compressed JavaScripts.
Number of requests can be reduced by 14 (47%)
30
16
The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Csem. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
csem.ch
106 ms
csem.ch
22 ms
www.csem.ch
88 ms
566 ms
ws-tracking.js
29 ms
prismic.min.js
29 ms
css2
45 ms
entry.BIxarUVV.css
133 ms
default.BldEhoEY.css
52 ms
ArchiveGrid.D_V5ONb_.css
109 ms
LoadingSpinner.B56FFoee.css
141 ms
index.Bc3lh1LC.css
52 ms
index.DIycexk-.css
107 ms
Pagination.Cy54mEWc.css
182 ms
BExDH98g.js
91 ms
form-loader.js
41 ms
6c094f9c-6d0d-4980-82aa-164a0efabf14_CSEM_etablished.svg
23 ms
f9e07b0c-7109-4de8-bb1c-38ed192d3955_MeyerBurger_LogoBlack_RGB.png
21 ms
40e8cef2-4911-478f-b2aa-f5701f16fdab_Swiss+tropical+institute.png
26 ms
25ec437b-b8c6-46ee-a9b4-69230f544a9f_Lufthansa_Logo_2018.svg.png
28 ms
d9cd022f-b6c7-4f41-b0a1-79e32b33d0db_european+space+agency.png
31 ms
5135027b-d5c0-4127-a8d9-31241e298fec_stadler.png
29 ms
6df4d8ec-2812-4e88-9788-030f50f01587_novartis-logo-transparent.png
30 ms
67e4ec81-6453-4c94-9250-ae4d45f7c2ef_Swatch-group.svg.png
96 ms
21cfd22e-f52d-4153-9879-2fd92660ec7c_B%C3%BChler+group.png
29 ms
7544eaa6-9eef-4316-a7b6-53fc8151519c_Employees.svg
22 ms
13b13e53-fcdd-4706-89b6-6942b00e4cf3_Location.svg
25 ms
4f8e4828-de42-4c49-abe0-4036a9908935_Patent_family.svg
24 ms
8140118d-2ba5-47df-9f3a-7f8ca89e2867_industrial+clients.svg
26 ms
5uhzFEVunBxXA4AAlNgQnaK5JwQ7Z_x2Ldy_3Y3nePo
448 ms
KFOmCnqEu92Fr1Me5Q.ttf
29 ms
KFOlCnqEu92Fr1MmEU9vAw.ttf
44 ms
KFOlCnqEu92Fr1MmSU5vAw.ttf
45 ms
KFOkCnqEu92Fr1MmgWxP.ttf
45 ms
KFOlCnqEu92Fr1MmWUlvAw.ttf
46 ms
DuoFi_Oj.js
20 ms
ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyVVpfBJ.ttf
25 ms
ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyWyovBJ.ttf
22 ms
ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyXsovBJ.ttf
25 ms
Ckhk74GX.js
100 ms
DTHJAY3b.js
129 ms
Dea6tdcu.js
3 ms
csem.ch accessibility score
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
Buttons do not have an accessible name
Links do not have a discernible name
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
csem.ch 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
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
csem.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
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Csem.ch can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Csem.ch 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.
csem.ch
Open Graph data is detected on the main page of Csem. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: