2.6 sec in total
467 ms
1.9 sec
176 ms
Welcome to lampwww.epfl.ch homepage info - get ready to check Lampwww EPFL best content for Switzerland right away, or after learning these important things about lampwww.epfl.ch
Visit lampwww.epfl.chWe analyzed Lampwww.epfl.ch page load time and found that the first response time was 467 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.
lampwww.epfl.ch performance score
name
value
score
weighting
Value5.6 s
5/100
10%
Value5.9 s
13/100
25%
Value8.9 s
15/100
10%
Value1,010 ms
27/100
30%
Value0.043
99/100
15%
Value8.7 s
36/100
10%
467 ms
194 ms
187 ms
278 ms
283 ms
Our browser made a total of 32 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Lampwww.epfl.ch, 38% (12 requests) were made to Epfl.ch and 9% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (577 ms) relates to the external source Lamp.epfl.ch.
Page size can be reduced by 207.9 kB (55%)
378.0 kB
170.1 kB
In fact, the total size of Lampwww.epfl.ch main page is 378.0 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. 15% of websites need less resources to load. Javascripts take 169.8 kB which makes up the majority of the site volume.
Potential reduce by 27.3 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 6.0 kB, which is 17% 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 27.3 kB or 78% of the original size.
Potential reduce by 28.3 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, Lampwww EPFL needs image optimization as it can save up to 28.3 kB or 32% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 81.8 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 81.8 kB or 48% of the original size.
Potential reduce by 70.5 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. Lampwww.epfl.ch needs all CSS files to be minified and compressed as it can save up to 70.5 kB or 83% of the original size.
Number of requests can be reduced by 18 (58%)
31
13
The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lampwww EPFL. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
lamp.epfl.ch
467 ms
epfl.css
194 ms
homePortal.css
187 ms
jahia.css
278 ms
ic.css
283 ms
jquery.min.js
47 ms
jquery.plugins.js
381 ms
epfl.js
278 ms
socialshare.js
189 ms
print.css
149 ms
wsi.ashx
167 ms
my-server.png
94 ms
grey-facebook-round.png
279 ms
grey-twitter-round.png
278 ms
grey-linkedin-round.png
277 ms
grey-googleplus-round.png
277 ms
grey-mail-round.png
368 ms
lamp.jpg
577 ms
underline.gif
93 ms
epfl_small.png
193 ms
sprites-arrow.png
192 ms
sprites.png
191 ms
magnifier.png
193 ms
separator.png
191 ms
icon_home_white.png
435 ms
dot.png
154 ms
underline-white.gif
238 ms
arrow-login.png
237 ms
ga.js
36 ms
header_en.jsp
469 ms
__utm.gif
24 ms
__utm.gif
32 ms
lampwww.epfl.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
lampwww.epfl.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
lampwww.epfl.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 Lampwww.epfl.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 Lampwww.epfl.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.
lampwww.epfl.ch
Open Graph description is not detected on the main page of Lampwww EPFL. 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: