4.4 sec in total
358 ms
3.4 sec
735 ms
Welcome to o2g2.nl homepage info - get ready to check O 2 G best content for Netherlands right away, or after learning these important things about o2g2.nl
Wij zijn een onderwijsorganisatie met 37 scholen onder onze hoede, in het basis-, voortgezet en speciaal onderwijs. En elke school heeft een eigen karakter.
Visit o2g2.nlWe analyzed O2g2.nl page load time and found that the first response time was 358 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
o2g2.nl performance score
name
value
score
weighting
Value7.6 s
0/100
10%
Value13.1 s
0/100
25%
Value9.4 s
12/100
10%
Value1,040 ms
26/100
30%
Value0.001
100/100
15%
Value9.9 s
27/100
10%
358 ms
410 ms
106 ms
477 ms
615 ms
Our browser made a total of 47 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original O2g2.nl, 60% (28 requests) were made to Openbaaronderwijsgroningen.nl and 28% (13 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (776 ms) relates to the external source Openbaaronderwijsgroningen.nl.
Page size can be reduced by 409.1 kB (34%)
1.2 MB
811.3 kB
In fact, the total size of O2g2.nl main page is 1.2 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. 50% of websites need less resources to load. Images take 724.3 kB which makes up the majority of the site volume.
Potential reduce by 45.3 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 12.6 kB, which is 25% 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 45.3 kB or 89% of the original size.
Potential reduce by 24.7 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. O 2 G images are well optimized though.
Potential reduce by 90.7 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 90.7 kB or 59% of the original size.
Potential reduce by 248.4 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. O2g2.nl needs all CSS files to be minified and compressed as it can save up to 248.4 kB or 85% of the original size.
Number of requests can be reduced by 15 (45%)
33
18
The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of O 2 G. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
o2g2.nl
358 ms
index.html
410 ms
analytics.js
106 ms
bootstrap.css
477 ms
style.css
615 ms
all.min.css
520 ms
jquery-2.2.4.min.js
630 ms
jquery.validate.min.js
191 ms
bootstrap.min.js
547 ms
bootstrap-filestyle.js
369 ms
agm6jyw.js
240 ms
style.css
513 ms
collect
18 ms
collect
72 ms
header_970_slogan.png
136 ms
logo_header.png
128 ms
t_zoek_combi.png
121 ms
t_menu_combi_.png
122 ms
blauwstip.png
103 ms
t_pijlblauw.png
95 ms
22448_big.png
776 ms
blokbg.png
168 ms
22449_big.jpg
270 ms
22453_big.jpg
278 ms
22451_big.jpg
288 ms
22452_big.jpg
381 ms
22450_big.jpg
323 ms
banner.png
341 ms
t_totop.png
359 ms
footer_970_slogan.png
376 ms
logo_blauw_970.png
331 ms
22454.png
346 ms
22455.png
371 ms
22456.png
387 ms
d
49 ms
d
23 ms
d
133 ms
d
48 ms
d
96 ms
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48 ms
d
133 ms
d
134 ms
d
76 ms
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77 ms
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79 ms
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79 ms
p.gif
64 ms
o2g2.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
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
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
o2g2.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
o2g2.nl SEO score
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 O2g2.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 O2g2.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.
o2g2.nl
Open Graph description is not detected on the main page of O 2 G. 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: