22.9 sec in total
1.1 sec
18.2 sec
3.6 sec
Visit donopleidingen.nl now to see the best up-to-date DON Opleidingen content and also check out these interesting facts you probably never knew about donopleidingen.nl
Op zoek naar een landelijk georiënteerd opleidingsinstituut met zowel particuliere als bedrijfsgerelateerde opleidingen? Kom dan eens bij ons langs.
Visit donopleidingen.nlWe analyzed Donopleidingen.nl page load time and found that the first response time was 1.1 sec and then it took 21.8 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.
donopleidingen.nl performance score
name
value
score
weighting
Value2.7 s
61/100
10%
Value6.9 s
6/100
25%
Value5.9 s
48/100
10%
Value650 ms
46/100
30%
Value0.332
34/100
15%
Value12.3 s
15/100
10%
1121 ms
97 ms
204 ms
2156 ms
37 ms
Our browser made a total of 169 requests to load all elements on the main page. We found that 85% of them (144 requests) were addressed to the original Donopleidingen.nl, 2% (4 requests) were made to Google-analytics.com and 2% (4 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (6 sec) relates to the external source Api.salesfeed.com.
Page size can be reduced by 342.5 kB (10%)
3.5 MB
3.2 MB
In fact, the total size of Donopleidingen.nl main page is 3.5 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 3.1 MB which makes up the majority of the site volume.
Potential reduce by 294.1 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 294.1 kB or 84% of the original size.
Potential reduce by 40.8 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. DON Opleidingen images are well optimized though.
Potential reduce by 2.2 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. This website has mostly compressed JavaScripts.
Potential reduce by 5.5 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. Donopleidingen.nl needs all CSS files to be minified and compressed as it can save up to 5.5 kB or 30% of the original size.
Number of requests can be reduced by 16 (10%)
160
144
The browser has sent 160 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DON Opleidingen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.
www.donopleidingen.nl
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donopleidingen.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.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
donopleidingen.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
donopleidingen.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
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Donopleidingen.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 Donopleidingen.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.
donopleidingen.nl
Open Graph description is not detected on the main page of DON Opleidingen. 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: