14.3 sec in total
264 ms
3.2 sec
10.8 sec
Welcome to zadan.nl homepage info - get ready to check Zadan best content right away, or after learning these important things about zadan.nl
Vanaf de Delftweg lossen wij als digitaal bureau al 13 jaar complexe online vraagstukken op.
Visit zadan.nlWe analyzed Zadan.nl page load time and found that the first response time was 264 ms and then it took 14 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
zadan.nl performance score
name
value
score
weighting
Value3.4 s
38/100
10%
Value8.9 s
1/100
25%
Value4.1 s
79/100
10%
Value10 ms
100/100
30%
Value0
100/100
15%
Value6.8 s
55/100
10%
264 ms
452 ms
87 ms
36 ms
173 ms
Our browser made a total of 108 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Zadan.nl, 1% (1 request) were made to Get.webgl.org. The less responsive or slowest element that took the longest time to load (874 ms) relates to the external source Twopine.nl.
Page size can be reduced by 66.6 kB (1%)
10.0 MB
10.0 MB
In fact, the total size of Zadan.nl main page is 10.0 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. 85% 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 10.0 MB which makes up the majority of the site volume.
Potential reduce by 19.8 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 3.4 kB, which is 13% 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 19.8 kB or 79% of the original size.
Potential reduce by 46.8 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. Zadan images are well optimized though.
Number of requests can be reduced by 8 (8%)
102
94
The browser has sent 102 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zadan. 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 6 to 1 for CSS and as a result speed up the page load time.
www.twopine.nl
264 ms
twopine.nl
452 ms
main.css
87 ms
DoNotCopyOrLinkThisFileElseYouWillNotGetAutoUpdatedHelpForYourUsers.js
36 ms
loading-attribute-polyfill.umd.js
173 ms
tdl-minified.js
347 ms
logo4.js
259 ms
main.js
259 ms
fonts.css
178 ms
grid.css
176 ms
navigation.css
257 ms
content.css
264 ms
timeline.css
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zadan.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.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Image elements do not have [alt] attributes
Links do not have a discernible name
zadan.nl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
zadan.nl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
NL
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zadan.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 Zadan.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.
zadan.nl
Open Graph data is detected on the main page of Zadan. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: