1.8 sec in total
279 ms
1.2 sec
355 ms
Click here to check amazing Mensa content for Netherlands. Otherwise, check out these important facts you probably never knew about mensa.nl
De officiële website van Vereniging Mensa Nederland, the High IQ Society.
Visit mensa.nlWe analyzed Mensa.nl page load time and found that the first response time was 279 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
mensa.nl performance score
name
value
score
weighting
Value5.9 s
4/100
10%
Value6.3 s
11/100
25%
Value11.0 s
6/100
10%
Value1,880 ms
9/100
30%
Value0.374
28/100
15%
Value20.2 s
2/100
10%
279 ms
176 ms
216 ms
216 ms
58 ms
Our browser made a total of 34 requests to load all elements on the main page. We found that 53% of them (18 requests) were addressed to the original Mensa.nl, 12% (4 requests) were made to Platform.twitter.com and 12% (4 requests) were made to O.twimg.com. The less responsive or slowest element that took the longest time to load (519 ms) belongs to the original domain Mensa.nl.
Page size can be reduced by 51.1 kB (11%)
450.2 kB
399.1 kB
In fact, the total size of Mensa.nl main page is 450.2 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. 40% of websites need less resources to load. Images take 394.7 kB which makes up the majority of the site volume.
Potential reduce by 7.5 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 7.5 kB or 68% of the original size.
Potential reduce by 6.9 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. Mensa images are well optimized though.
Potential reduce by 36.7 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. Mensa.nl needs all CSS files to be minified and compressed as it can save up to 36.7 kB or 83% of the original size.
Number of requests can be reduced by 16 (48%)
33
17
The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mensa. 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 8 to 1 for CSS and as a result speed up the page load time.
mensa.nl
279 ms
global.css
176 ms
content.css
216 ms
navigation.css
216 ms
plusone.js
58 ms
cb=gapi.loaded_0
13 ms
widgets.js
7 ms
bg_main.jpg
177 ms
bg_content_repeat.jpg
186 ms
bg_head_corner.jpg
186 ms
logo.png
170 ms
bg_topmenu.png
183 ms
bg_content.jpg
186 ms
visual.jpg
423 ms
dividercol1.jpg
353 ms
bg_col2content.jpg
372 ms
siqvoorwie.jpg
459 ms
bg_ad.jpg
364 ms
dividercol2.jpg
365 ms
bg_corner_footer.jpg
519 ms
timeline.d11f7a3b3287fb94220e8ee6d03cc772.js
18 ms
syndication
97 ms
535730103700164608
130 ms
proxy.jpg
81 ms
proxy.jpg
77 ms
timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css
14 ms
timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css
26 ms
61dd55f98cbc19fbcd8937b5e5a4b266_normal.jpeg
104 ms
mensalogo_normal.jpg
96 ms
syndication_bundle_v1_64fcb3dd2f6da5b5f976d91a319ef73e329c1a5d.css
51 ms
syndication_bundle_v1_64fcb3dd2f6da5b5f976d91a319ef73e329c1a5d.css
47 ms
proxy.jpg
9 ms
proxy.jpg
5 ms
print.css
172 ms
mensa.nl 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.
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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
mensa.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
Missing source maps for large first-party JavaScript
mensa.nl SEO score
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
NL
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mensa.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch 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 Mensa.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.
mensa.nl
Open Graph description is not detected on the main page of Mensa. 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: