4 sec in total
657 ms
2.9 sec
436 ms
Click here to check amazing Sis Eur content for Netherlands. Otherwise, check out these important facts you probably never knew about sis.eur.nl
Visit sis.eur.nlWe analyzed Sis.eur.nl page load time and found that the first response time was 657 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
sis.eur.nl performance score
name
value
score
weighting
Value23.7 s
0/100
10%
Value25.4 s
0/100
25%
Value27.9 s
0/100
10%
Value880 ms
32/100
30%
Value0.009
100/100
15%
Value25.6 s
0/100
10%
657 ms
383 ms
269 ms
590 ms
92 ms
Our browser made a total of 20 requests to load all elements on the main page. We found that 15% of them (3 requests) were addressed to the original Sis.eur.nl, 70% (14 requests) were made to Sso.eur.nl and 10% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (657 ms) belongs to the original domain Sis.eur.nl.
Page size can be reduced by 158.4 kB (47%)
335.8 kB
177.3 kB
In fact, the total size of Sis.eur.nl main page is 335.8 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. CSS take 131.9 kB which makes up the majority of the site volume.
Potential reduce by 4.6 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 949 B, which is 14% 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 4.6 kB or 70% of the original size.
Potential reduce by 2.1 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. Sis Eur images are well optimized though.
Potential reduce by 41.1 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 41.1 kB or 48% of the original size.
Potential reduce by 110.7 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. Sis.eur.nl needs all CSS files to be minified and compressed as it can save up to 110.7 kB or 84% of the original size.
Number of requests can be reduced by 6 (38%)
16
10
The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sis Eur. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
sis.eur.nl
657 ms
sis.eur.nl
383 ms
269 ms
Login
590 ms
styles.css
92 ms
browserVersion.js
184 ms
auth.js
273 ms
bootstrap.min.css
41 ms
eur2.css
298 ms
jquery.min.js
44 ms
bootstrap.min.js
41 ms
museo-sans.css
92 ms
body-bottom.png
182 ms
body-top.png
465 ms
logo.png
96 ms
museosans-300.woff
372 ms
museosans-100.woff
360 ms
museosans-500.woff
265 ms
museosans-700.woff
537 ms
museosans-900.woff
562 ms
sis.eur.nl accessibility score
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
sis.eur.nl 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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
sis.eur.nl SEO score
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
N/A
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sis.eur.nl can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Sis.eur.nl 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.
sis.eur.nl
Open Graph description is not detected on the main page of Sis Eur. 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: