4.9 sec in total
726 ms
3.7 sec
497 ms
Click here to check amazing SwissMOOC content for Switzerland. Otherwise, check out these important facts you probably never knew about swissmooc.ch
Visit swissmooc.chWe analyzed Swissmooc.ch page load time and found that the first response time was 726 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
swissmooc.ch performance score
name
value
score
weighting
Value5.3 s
7/100
10%
Value13.7 s
0/100
25%
Value5.9 s
47/100
10%
Value0 ms
100/100
30%
Value0.035
100/100
15%
Value7.2 s
50/100
10%
726 ms
29 ms
60 ms
39 ms
866 ms
Our browser made a total of 41 requests to load all elements on the main page. We found that 63% of them (26 requests) were addressed to the original Swissmooc.ch, 20% (8 requests) were made to Fonts.gstatic.com and 10% (4 requests) were made to Os.zhdk.cloud.switch.ch. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Os.zhdk.cloud.switch.ch.
Page size can be reduced by 386.0 kB (25%)
1.5 MB
1.1 MB
In fact, the total size of Swissmooc.ch main page is 1.5 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. 35% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 23.2 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. This page needs HTML code to be minified as it can gain 7.6 kB, which is 27% 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 23.2 kB or 81% of the original size.
Potential reduce by 39.0 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. SwissMOOC images are well optimized though.
Potential reduce by 6 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.
Potential reduce by 323.8 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. Swissmooc.ch needs all CSS files to be minified and compressed as it can save up to 323.8 kB or 86% of the original size.
Number of requests can be reduced by 15 (47%)
32
17
The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SwissMOOC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.
www.swissmooc.ch
726 ms
css
29 ms
42d5adcbca.js
60 ms
icon
39 ms
catalog.min.css
866 ms
chunk-vendors.92477761.js
646 ms
auto-login.cc8fa557.js
334 ms
system-messages.77d976a1.js
333 ms
popper.min.js
337 ms
bootstrap.min.js
544 ms
perfect-scrollbar.min.js
454 ms
countup.min.js
350 ms
choices.min.js
564 ms
prism.min.js
572 ms
highlight.min.js
788 ms
rellax.min.js
666 ms
tilt.min.js
665 ms
parallax.min.js
683 ms
catalog.min.js
690 ms
main.553a9630.js
787 ms
le-1564x780-marinka-valkering.jpg
1137 ms
logo.sms.png
122 ms
our-mission.jpg
128 ms
unige.png
126 ms
uzh.jpg
123 ms
ffhs.png
126 ms
epfl.png
121 ms
ethz.jpg
238 ms
zhaw.png
244 ms
asset-v1-ffhs-gm101idm-2021-hs-3-type-asset-block-kurslogo-haupseite-2-anne-helsdingen.png
1252 ms
prep-exa-500px.jpg
1358 ms
thymio-cover.jpg
1881 ms
winter-cloudy-1.jpg
548 ms
BngbUXZYTXPIvIBgJJSb6s3BzlRRfKOFbvjoa4Omb2Rm.ttf
16 ms
BngbUXZYTXPIvIBgJJSb6s3BzlRRfKOFbvjojISmb2Rm.ttf
23 ms
LDItaoyNOAY6Uewc665JcIzCKsKc_M9flwmM.otf
40 ms
KFOlCnqEu92Fr1MmWUlfBBc9.ttf
33 ms
KFOlCnqEu92Fr1MmYUtfBBc9.ttf
41 ms
KFOlCnqEu92Fr1MmEU9fBBc9.ttf
39 ms
KFOmCnqEu92Fr1Mu4mxP.ttf
41 ms
KFOlCnqEu92Fr1MmSU5fBBc9.ttf
40 ms
swissmooc.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.
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 IDs are not unique
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
swissmooc.ch best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
swissmooc.ch SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Swissmooc.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 Swissmooc.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.
swissmooc.ch
Open Graph description is not detected on the main page of SwissMOOC. 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: