4.8 sec in total
537 ms
1.8 sec
2.4 sec
Visit voo.nl now to see the best up-to-date Voo content and also check out these interesting facts you probably never knew about voo.nl
De Vereniging Openbaar Onderwijs (VOO) is een vereniging van medezeggenschapsraden (MR's) ouderraden en particulieren in het onderwijs.
Visit voo.nlWe analyzed Voo.nl page load time and found that the first response time was 537 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.
voo.nl performance score
name
value
score
weighting
Value5.8 s
4/100
10%
Value5.8 s
15/100
25%
Value36.2 s
0/100
10%
Value42,000 ms
0/100
30%
Value0.594
11/100
15%
Value53.6 s
0/100
10%
537 ms
82 ms
49 ms
86 ms
65 ms
Our browser made a total of 52 requests to load all elements on the main page. We found that 71% of them (37 requests) were addressed to the original Voo.nl, 6% (3 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Widget-v4.tidiochat.com. The less responsive or slowest element that took the longest time to load (706 ms) belongs to the original domain Voo.nl.
Page size can be reduced by 83.1 kB (13%)
661.9 kB
578.8 kB
In fact, the total size of Voo.nl main page is 661.9 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 65% of websites need less resources to load. Images take 442.2 kB which makes up the majority of the site volume.
Potential reduce by 76.6 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 76.6 kB or 81% of the original size.
Potential reduce by 5.1 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. Voo images are well optimized though.
Potential reduce by 1.2 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 173 B
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. Voo.nl has all CSS files already compressed.
Number of requests can be reduced by 30 (64%)
47
17
The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Voo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
voo.nl
537 ms
autoptimize_single_87919152e480d34bc2ab66090bb82746.css
82 ms
style.min.css
49 ms
vendor.js
86 ms
sgr.js
65 ms
uikit.min.css
62 ms
autoptimize_single_26f945bc7e7949b971a267d440c5d53f.css
110 ms
autoptimize_single_cb70be699857e8dd1f744c5b4630fb94.css
72 ms
jquery.min.js
90 ms
ionicons.esm.js
33 ms
uikit.min.js
40 ms
formreset.min.css
13 ms
formsmain.min.css
11 ms
readyclass.min.css
19 ms
browsers.min.css
37 ms
email-decode.min.js
16 ms
main.js
23 ms
regenerator-runtime.min.js
40 ms
wp-polyfill.min.js
29 ms
dom-ready.min.js
32 ms
hooks.min.js
37 ms
i18n.min.js
41 ms
a11y.min.js
42 ms
jquery.json.min.js
48 ms
gravityforms.min.js
706 ms
iqo7qkgt1v1nk9qjkwvrddxc0bsa1mfx.js
685 ms
gtm.js
488 ms
webfont.js
353 ms
logo_items.png
341 ms
ionicons-svg-ios-search.svg
341 ms
background-news.png
476 ms
voo-dick-bruna.svg.svg
320 ms
after-school-care-before.png
345 ms
after-school-care-after.png
188 ms
ionicons-svg-ios-arrow-round-back.svg
187 ms
ionicons-svg-ios-arrow-round-forward.svg
186 ms
nathan-dumlao-ewGMqs2tmJI-unsplash-768x512.jpg
187 ms
MR-en-Financien-meer-invloed-uitoefenen-op-schoolbeleid-met-nieuwe-VOO-cursus-768x433.png
393 ms
VOO-breidt-cursusaanbod-uit-voor-nieuwe-schooljaar-768x512.jpg
528 ms
Vrijwillige-ouderbijdrage-webinar-september-2022-768x502.jpg
199 ms
Gratis-webinar-voor-potentiele-MR-leden-wegens-succes-herhaald-768x513.jpg
453 ms
render.650fa04aa0904bb4c961.js
221 ms
css
76 ms
analytics.js
95 ms
hotjar-1659790.js
200 ms
logo-voo.svg
77 ms
4iCs6KVjbNBYlgoKfw7z.ttf
49 ms
4iCv6KVjbNBYlgoCjC3jsGyI.ttf
111 ms
4iCv6KVjbNBYlgoCxCvjsGyI.ttf
113 ms
widget.650fa04aa0904bb4c961.js
48 ms
collect
25 ms
modules.61e17720cf639c3e96a7.js
32 ms
voo.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
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.
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
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
voo.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
voo.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
NL
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Voo.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 Voo.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.
voo.nl
Open Graph data is detected on the main page of Voo. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: