23.7 sec in total
4.2 sec
18.9 sec
589 ms
Click here to check amazing ISO content for Netherlands. Otherwise, check out these important facts you probably never knew about iso.nl
Belangenbehartiger van studerend Nederland
Visit iso.nlWe analyzed Iso.nl page load time and found that the first response time was 4.2 sec and then it took 19.5 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
iso.nl performance score
name
value
score
weighting
Value4.0 s
24/100
10%
Value10.5 s
0/100
25%
Value10.8 s
7/100
10%
Value720 ms
42/100
30%
Value0.16
73/100
15%
Value17.7 s
4/100
10%
4231 ms
252 ms
170 ms
171 ms
182 ms
Our browser made a total of 240 requests to load all elements on the main page. We found that 77% of them (185 requests) were addressed to the original Iso.nl, 6% (14 requests) were made to Maps.googleapis.com and 3% (8 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (7.2 sec) belongs to the original domain Iso.nl.
Page size can be reduced by 1.8 MB (21%)
8.4 MB
6.7 MB
In fact, the total size of Iso.nl main page is 8.4 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 6.4 MB which makes up the majority of the site volume.
Potential reduce by 454.6 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. 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 454.6 kB or 82% of the original size.
Potential reduce by 255.2 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. ISO images are well optimized though.
Potential reduce by 889.1 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 889.1 kB or 68% of the original size.
Potential reduce by 159.1 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. Iso.nl needs all CSS files to be minified and compressed as it can save up to 159.1 kB or 85% of the original size.
Number of requests can be reduced by 60 (26%)
227
167
The browser has sent 227 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ISO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
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iso.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
iso.nl 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
Browser errors were logged to the console
Page has valid source maps
Issues were logged in the Issues panel in Chrome Devtools
iso.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
Tap targets are not sized appropriately
NL
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Iso.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it matches the claimed language. Our system also found out that Iso.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.
iso.nl
Open Graph data is detected on the main page of ISO. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: