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Welcome to duikschool-odyssee.com homepage info - get ready to check Duikschool Odyssee best content right away, or after learning these important things about duikschool-odyssee.com
Visit duikschool-odyssee.comWe analyzed Duikschool-odyssee.com page load time and found that the first response time was 131 ms and then it took 10.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
duikschool-odyssee.com performance score
name
value
score
weighting
Value2.3 s
76/100
10%
Value8.1 s
2/100
25%
Value7.9 s
22/100
10%
Value1,260 ms
19/100
30%
Value0
100/100
15%
Value13.1 s
12/100
10%
131 ms
103 ms
53 ms
63 ms
56 ms
Our browser made a total of 111 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Duikschool-odyssee.com, 36% (40 requests) were made to Static.parastorage.com and 11% (12 requests) were made to Static.wixstatic.com. The less responsive or slowest element that took the longest time to load (4.8 sec) relates to the external source Res-5.cloudinary.com.
Page size can be reduced by 4.1 MB (64%)
6.4 MB
2.3 MB
In fact, the total size of Duikschool-odyssee.com main page is 6.4 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. Only a small number of websites need less resources to load. Javascripts take 4.7 MB which makes up the majority of the site volume.
Potential reduce by 105.8 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 105.8 kB or 84% of the original size.
Potential reduce by 31.3 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. Duikschool Odyssee images are well optimized though.
Potential reduce by 3.5 MB
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 3.5 MB or 75% of the original size.
Potential reduce by 423.1 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. Duikschool-odyssee.com needs all CSS files to be minified and compressed as it can save up to 423.1 kB or 85% of the original size.
Number of requests can be reduced by 65 (64%)
101
36
The browser has sent 101 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duikschool Odyssee. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 40 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
www.duikschool-odyssee.com
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duikschool-odyssee.com accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
duikschool-odyssee.com 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
Page has valid source maps
duikschool-odyssee.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Duikschool-odyssee.com 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 Duikschool-odyssee.com 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.
duikschool-odyssee.com
Open Graph description is not detected on the main page of Duikschool Odyssee. 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: