7.8 sec in total
604 ms
7 sec
212 ms
Click here to check amazing Multimedia ETH Z content for Switzerland. Otherwise, check out these important facts you probably never knew about multimedia.ethz.ch
Multimedia Portal, Podcast Portal
Visit multimedia.ethz.chWe analyzed Multimedia.ethz.ch page load time and found that the first response time was 604 ms and then it took 7.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
multimedia.ethz.ch performance score
name
value
score
weighting
Value5.6 s
5/100
10%
Value7.6 s
4/100
25%
Value9.2 s
13/100
10%
Value70 ms
99/100
30%
Value0.019
100/100
15%
Value7.7 s
45/100
10%
604 ms
2502 ms
403 ms
323 ms
640 ms
Our browser made a total of 76 requests to load all elements on the main page. We found that 99% of them (75 requests) were addressed to the original Multimedia.ethz.ch, 1% (1 request) were made to Video.ethz.ch. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Multimedia.ethz.ch.
Page size can be reduced by 160.7 kB (31%)
522.3 kB
361.7 kB
In fact, the total size of Multimedia.ethz.ch main page is 522.3 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. 20% of websites need less resources to load. Images take 340.3 kB which makes up the majority of the site volume.
Potential reduce by 34.7 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 9.1 kB, which is 22% 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 34.7 kB or 85% of the original size.
Potential reduce by 24.7 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. Multimedia ETH Z images are well optimized though.
Potential reduce by 67.4 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 67.4 kB or 67% of the original size.
Potential reduce by 33.8 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. Multimedia.ethz.ch needs all CSS files to be minified and compressed as it can save up to 33.8 kB or 84% of the original size.
Number of requests can be reduced by 15 (20%)
74
59
The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Multimedia ETH Z. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for CSS and as a result speed up the page load time.
multimedia.ethz.ch
604 ms
www.multimedia.ethz.ch
2502 ms
colors_c010.css
403 ms
ns4.css
323 ms
modernbrowsers.css
640 ms
silva.css
327 ms
customstyles.css
231 ms
scripts_en.js
348 ms
jquery-1.6.4.min.js
1171 ms
scripts.js
647 ms
ethlogo-print.png
358 ms
head_bg_logo_home_c010.jpg
259 ms
transparent.gif
124 ms
head_bg_home_c010.jpg
439 ms
head_sitename_c010.jpg
241 ms
lens_c010.gif
119 ms
placeholder.jpg
609 ms
icon_print.gif
195 ms
icon_email.gif
208 ms
icon_pdf.gif
300 ms
lens_blue_01.png
673 ms
manual_small.jpg
445 ms
youtubelogo
487 ms
Logo_opencast.jpg
539 ms
replay.gif
602 ms
mainPage_lectures_3.jpg
774 ms
mainPage_speakers_3.jpg
786 ms
mainPage_campus_3.jpg
740 ms
01_d-arch.jpg
743 ms
inaugural_farewell_lecture.jpg
878 ms
treffpunkt.png
928 ms
02_d-baug.jpg
999 ms
conferences.jpg
1086 ms
misc.png
1345 ms
03_d-bsse.jpg
1060 ms
collegium_helveticum.jpg
1115 ms
eth_video.png
1462 ms
04_d-infk.jpg
1218 ms
physics_colloquium.jpg
1290 ms
eth_documentary.jpg
1325 ms
05_d-itet.jpg
1351 ms
cscs_logo_bg.png
1543 ms
eth_alumni_headquater.jpg
1520 ms
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1529 ms
empa_academy.jpg
1599 ms
isn.jpg
1589 ms
06_d-mavt.jpg
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distinguished_speakers.jpg
1666 ms
united_visions.jpg
1684 ms
08_d-biol.jpg
1612 ms
d_arch.jpg
1740 ms
ethDay.jpg
1649 ms
09_d-chab.jpg
1752 ms
d_infk.jpg
1689 ms
asvz.jpg
1694 ms
10_d-math.jpg
1614 ms
ethistory.png
1673 ms
executive_channel.jpg
1740 ms
11_d-phys.jpg
1667 ms
plantscience.png
1617 ms
venture.png
1597 ms
13_d-erdw.jpg
1544 ms
portraits.png
1843 ms
whyethzurich.png
1971 ms
14_d-usys.png
1887 ms
qsit.png
1816 ms
15_d-mtec.jpg
1588 ms
16_d-gess.jpg
1505 ms
foot_unitlogo.gif
1660 ms
footer_zs_powered.gif
1533 ms
footer_zs_zope.gif
1582 ms
footer_zs_and.gif
1506 ms
footer_zs_silva.gif
1497 ms
footer_eth_cc_EN.gif
1488 ms
top_c010.gif
1463 ms
print.css
276 ms
multimedia.ethz.ch 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-*] attributes do not match their roles
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
multimedia.ethz.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
multimedia.ethz.ch SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Multimedia.ethz.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 Multimedia.ethz.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.
multimedia.ethz.ch
Open Graph description is not detected on the main page of Multimedia ETH Z. 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: