4.6 sec in total
432 ms
2.7 sec
1.4 sec
Welcome to vijverhofschool.nl homepage info - get ready to check Vijverhofschool best content right away, or after learning these important things about vijverhofschool.nl
Onderwijsgroep Buitengewoon is de overkoepelende organisatie van zeven scholen voor (voortgezet) speciaal onderwijs, praktijkonderwijs en Advies & begeleiding. Wij bieden kinderen en jongeren met spec...
Visit vijverhofschool.nlWe analyzed Vijverhofschool.nl page load time and found that the first response time was 432 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
vijverhofschool.nl performance score
name
value
score
weighting
Value3.4 s
37/100
10%
Value9.5 s
0/100
25%
Value6.3 s
41/100
10%
Value600 ms
50/100
30%
Value0.144
77/100
15%
Value9.2 s
32/100
10%
432 ms
568 ms
121 ms
269 ms
270 ms
Our browser made a total of 60 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Vijverhofschool.nl, 75% (45 requests) were made to Ogbuitengewoon.nl and 12% (7 requests) were made to Fast.fonts.net. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Ogbuitengewoon.nl.
Page size can be reduced by 410.7 kB (14%)
3.0 MB
2.6 MB
In fact, the total size of Vijverhofschool.nl main page is 3.0 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. 60% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.
Potential reduce by 44.3 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 17.7 kB, which is 35% 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 44.3 kB or 89% of the original size.
Potential reduce by 279.4 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. Vijverhofschool images are well optimized though.
Potential reduce by 78.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 78.2 kB or 31% of the original size.
Potential reduce by 8.7 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. Vijverhofschool.nl needs all CSS files to be minified and compressed as it can save up to 8.7 kB or 20% of the original size.
Number of requests can be reduced by 21 (42%)
50
29
The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vijverhofschool. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
vijverhofschool.nl
432 ms
www.ogbuitengewoon.nl
568 ms
font-awesome.min.css
121 ms
9786125b-6611-47a2-8970-18ee647cc8bf.css
269 ms
bootstrap.min.css
270 ms
owl.carousel.css
372 ms
owl.transitions.css
371 ms
owl.theme.css
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color.css
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style.css
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fullcalendar.css
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bootstrap-select.min.css
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jquery.fancybox.css
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js
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ReadSpeaker.js
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jquery.min.js
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bootstrap.min.js
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owl.carousel.js
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moment.min.js
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fullcalendar.js
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lang-all.js
694 ms
jquery.fancybox.pack.js
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hoverIntent.min.js
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bootstrap-select.min.js
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scripts.js
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logo_onderwijsgroep_buitengewoon.jpg
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vijverhofschool.nl 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
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
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
vijverhofschool.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
Page has valid source maps
vijverhofschool.nl 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
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 Vijverhofschool.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 Vijverhofschool.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.
vijverhofschool.nl
Open Graph data is detected on the main page of Vijverhofschool. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: