16.5 sec in total
450 ms
8.7 sec
7.4 sec
Welcome to iss.nl homepage info - get ready to check Iss best content for Netherlands right away, or after learning these important things about iss.nl
The International Institute of Social Studies is an international graduate school of policy-oriented critical social science: MA, PhD and research.
Visit iss.nlWe analyzed Iss.nl page load time and found that the first response time was 450 ms and then it took 16.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
iss.nl performance score
name
value
score
weighting
Value5.1 s
9/100
10%
Value11.4 s
0/100
25%
Value11.6 s
4/100
10%
Value3,600 ms
1/100
30%
Value0.703
7/100
15%
Value10.3 s
24/100
10%
450 ms
1399 ms
285 ms
486 ms
292 ms
Our browser made a total of 50 requests to load all elements on the main page. We found that 78% of them (39 requests) were addressed to the original Iss.nl, 6% (3 requests) were made to Ssl.google-analytics.com and 6% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Iss.nl.
Page size can be reduced by 807.5 kB (27%)
3.0 MB
2.2 MB
In fact, the total size of Iss.nl main page is 3.0 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. 60% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.
Potential reduce by 38.2 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 38.2 kB or 80% of the original size.
Potential reduce by 36.2 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. Iss images are well optimized though.
Potential reduce by 383.3 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 383.3 kB or 64% of the original size.
Potential reduce by 349.8 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. Iss.nl needs all CSS files to be minified and compressed as it can save up to 349.8 kB or 85% of the original size.
Number of requests can be reduced by 29 (76%)
38
9
The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Iss. 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 from 15 to 1 for CSS and as a result speed up the page load time.
iss.nl
450 ms
www.iss.nl
1399 ms
stylesheet_65fc559049.css
285 ms
style.css
486 ms
javascript_a1cb3a5978.js
292 ms
jquery-1.11.1.min.js
695 ms
jquery-ui-1.11.4.custom.min.js
655 ms
cookieControl-5.0.min.js
655 ms
default.css
446 ms
cookie_control-plugin.js
446 ms
default.css
1293 ms
fabrique.css
632 ms
style.css
670 ms
woordmerk.css
1123 ms
modernizr.js
1123 ms
autocomplete-toolbar.js
1123 ms
autocomplete-sidebar.js
1139 ms
bootstrap.js
1069 ms
dropdown-hover.js
1149 ms
placeholder.js
1149 ms
glyphicons.css
480 ms
glyphicons-social.css
461 ms
museo-sans.css
460 ms
wrapper.css
461 ms
extensions.css
717 ms
gsa.css
459 ms
ub.css
713 ms
print.css
703 ms
ga.js
675 ms
Selwyn1.jpg
700 ms
Lustrum2017.jpg
720 ms
gtm.js
721 ms
body.png
351 ms
logo.png
432 ms
museosans-300.woff
411 ms
museosans-100.woff
394 ms
museosans-500.woff
585 ms
museosans-700.woff
584 ms
museosans-900.woff
575 ms
glyphicons-regular.woff
574 ms
__utm.gif
654 ms
collect
324 ms
__utm.gif
238 ms
analytics.js
955 ms
siteanalyze_6005652.js
1271 ms
glyphicons-social.woff
445 ms
linkid.js
147 ms
collect
107 ms
collect
101 ms
ga-audiences
70 ms
iss.nl 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 IDs are not unique
iss.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
iss.nl 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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Iss.nl 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 Iss.nl 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.
iss.nl
Open Graph description is not detected on the main page of Iss. 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: