2.8 sec in total
387 ms
2.1 sec
300 ms
Welcome to zcdeelen.nl homepage info - get ready to check Zc Deelen best content right away, or after learning these important things about zcdeelen.nl
Leer zweefvliegen bij de zweefvliegclub Deelen bij Arnhem! Zweefvliegen is een prachtige, uitdagende, ontspannende en betaalbare hobby.
Visit zcdeelen.nlWe analyzed Zcdeelen.nl page load time and found that the first response time was 387 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
zcdeelen.nl performance score
name
value
score
weighting
Value4.3 s
17/100
10%
Value4.9 s
28/100
25%
Value31.6 s
0/100
10%
Value76,550 ms
0/100
30%
Value0.13
81/100
15%
Value100.3 s
0/100
10%
387 ms
236 ms
205 ms
212 ms
216 ms
Our browser made a total of 46 requests to load all elements on the main page. We found that 67% of them (31 requests) were addressed to the original Zcdeelen.nl, 9% (4 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Zcdeelen.nl.
Page size can be reduced by 511.2 kB (31%)
1.7 MB
1.1 MB
In fact, the total size of Zcdeelen.nl main page is 1.7 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. 50% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.
Potential reduce by 18.8 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. 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 18.8 kB or 72% of the original size.
Potential reduce by 51.0 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. Zc Deelen images are well optimized though.
Potential reduce by 217.9 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 217.9 kB or 67% of the original size.
Potential reduce by 223.6 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. Zcdeelen.nl needs all CSS files to be minified and compressed as it can save up to 223.6 kB or 82% of the original size.
Number of requests can be reduced by 18 (45%)
40
22
The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zc Deelen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
zcdeelen.nl
387 ms
css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css
236 ms
css_botNHIYRQPys-RH2iA3U4LbV9bPNRS64tLAs8ec1ch8.css
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css_MnXiytJtb186Ydycnpwpw34cuUsHaKc80ey5LiQXhSY.css
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css_farJGz-QPptzqncZGVQwwtx9cHxpDmECZzczOP48k3E.css
216 ms
jquery.js
447 ms
jquery.once.js
231 ms
drupal.js
475 ms
button_field.ajax.js
410 ms
nl_Vwed51cNYL5Lofmwnk-nFwLRyA0MGQonEplKSRM95w8.js
442 ms
sliding_effect.js
439 ms
zcd_banner.js
427 ms
superfish.js
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supersubs.js
612 ms
sfmenu.js
614 ms
zcd_banner.js
903 ms
css
26 ms
zcdeelen.nl
269 ms
ZCD_logo_930x140_2.jpg
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facebook3.png
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slide-image-1.jpg
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slide-image-2.jpg
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slide-image-3.jpg
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slide-image-4.jpg
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slide-nav-button.png
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sdk.js
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slide-nav-button-hover.png
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arrows-down.png
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www-embed-player.js
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zcdeelen.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
Image elements do not have [alt] attributes
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
zcdeelen.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
Issues were logged in the Issues panel in Chrome Devtools
zcdeelen.nl SEO score
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
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 Zcdeelen.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 Zcdeelen.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.
zcdeelen.nl
Open Graph description is not detected on the main page of Zc Deelen. 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: