2.9 sec in total
266 ms
2.2 sec
422 ms
Welcome to onderwijsportaal.nl homepage info - get ready to check Onderwijsportaal best content for Netherlands right away, or after learning these important things about onderwijsportaal.nl
Het onderwijsportaal, een alternatief voor zoekmachines, geeft informatie over onderwijs, zowel particulier onderwijs als regulier onderwijs. Veel pagina's zijn direct bereikbaar via eigen domeinnamen...
Visit onderwijsportaal.nlWe analyzed Onderwijsportaal.nl page load time and found that the first response time was 266 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
onderwijsportaal.nl performance score
name
value
score
weighting
Value3.0 s
51/100
10%
Value3.5 s
64/100
25%
Value3.9 s
82/100
10%
Value900 ms
31/100
30%
Value0.061
97/100
15%
Value4.8 s
79/100
10%
266 ms
357 ms
463 ms
64 ms
105 ms
Our browser made a total of 69 requests to load all elements on the main page. We found that 48% of them (33 requests) were addressed to the original Onderwijsportaal.nl, 23% (16 requests) were made to Apis.google.com and 4% (3 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (840 ms) belongs to the original domain Onderwijsportaal.nl.
Page size can be reduced by 226.0 kB (34%)
665.3 kB
439.3 kB
In fact, the total size of Onderwijsportaal.nl main page is 665.3 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 548.5 kB which makes up the majority of the site volume.
Potential reduce by 49.2 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 8.5 kB, which is 14% 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 49.2 kB or 81% of the original size.
Potential reduce by 147.8 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. Obviously, Onderwijsportaal needs image optimization as it can save up to 147.8 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 6.2 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 6.2 kB or 19% of the original size.
Potential reduce by 22.8 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. Onderwijsportaal.nl needs all CSS files to be minified and compressed as it can save up to 22.8 kB or 93% of the original size.
Number of requests can be reduced by 21 (33%)
63
42
The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Onderwijsportaal. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
onderwijsportaal.nl
266 ms
onderwijsportaal.nl
357 ms
www.onderwijsportaal.nl
463 ms
plusone.js
64 ms
stylesheet.css
105 ms
301.goliath.nl
664 ms
cb=gapi.loaded_0
30 ms
branding.css
54 ms
poweredby_999999.gif
90 ms
logo-sites-voor-smartphones.jpg
95 ms
logo-dns-160.gif
180 ms
lijn-blauw.gif
255 ms
logo-winford-vo-2015.gif
437 ms
logo-luzac-lyceum.gif
428 ms
logo-luzac-college.gif
427 ms
logo-nha-170x70.jpg
577 ms
logo-florencius2.jpg
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logo-onze-toekomst.jpg
438 ms
logo-winford-po-2015.gif
629 ms
logo-bs-kronenburgh.jpg
628 ms
widgets.js
86 ms
platform.js
36 ms
like.php
174 ms
logo-app.jpg
557 ms
logo-owp.jpg
710 ms
logo-vo-169x76.jpg
506 ms
logo-vacature-gezocht.jpg
594 ms
logo-deonderneming.jpg
586 ms
logo-universiteit-klein.jpg
625 ms
logo-banen-per-stad.jpg
628 ms
logo-onderwijs-en-banen.jpg
624 ms
logo-getijdecollege.jpg
675 ms
logo-deavondschool.jpg
676 ms
logo-bo-kronenburgh.gif
707 ms
logo-scheidegger.gif
704 ms
logo-schoevers.jpg
714 ms
logo-linnartz.jpg
840 ms
logo-nifa.jpg
768 ms
logo-new-school.jpg
790 ms
logo-tio.jpg
799 ms
logo-ncoi-opleidingsgroep.jpg
810 ms
cb=gapi.loaded_1
33 ms
cb=gapi.loaded_2
49 ms
follow
274 ms
page
146 ms
postmessageRelay
35 ms
3193398744-postmessagerelay.js
19 ms
rpc:shindig_random.js
29 ms
qeKvIRsJabD.js
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LVx-xkvaJ0b.png
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cb=gapi.loaded_0
3 ms
rs=AGLTcCPol5LxJ8VE8vsY9K9nUlO762ujLA
10 ms
rs=AGLTcCOJ4AMNA1EZSgGPzZnainRbXAPPWA
17 ms
rs=AGLTcCP6UXflGmKIuWe_n5R28T__wpu8xQ
54 ms
photo.jpg
424 ms
W5F8_SL0XFawnjxHGsZjJA.ttf
282 ms
dtpHsbgPEm2lVWciJZ0P-A.ttf
299 ms
bdHGHleUa-ndQCOrdpfxfw.ttf
299 ms
rs=AGLTcCP6UXflGmKIuWe_n5R28T__wpu8xQ
57 ms
rs=AGLTcCP0MQFWQYlBMorjTq9hvUClqSEDYQ
36 ms
rs=AGLTcCNAhargk6QadnnMBfdCxmxxrO_mLQ
66 ms
rs=AGLTcCP6UXflGmKIuWe_n5R28T__wpu8xQ
113 ms
n.gif
107 ms
tag
480 ms
analytics.js
52 ms
button.0308b81ff1714e446f674b5b9793f2cd.js
10 ms
follow_button.b9740740e0bcf9b0657c5b11bd4388da.nl.html
13 ms
collect
22 ms
jot
83 ms
onderwijsportaal.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
Image elements do not have [alt] attributes
Form elements do not have associated labels
onderwijsportaal.nl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
onderwijsportaal.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
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Onderwijsportaal.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 Onderwijsportaal.nl main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
onderwijsportaal.nl
Open Graph description is not detected on the main page of Onderwijsportaal. 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: