3.2 sec in total
332 ms
2.2 sec
699 ms
Click here to check amazing Rekenen Oefenen content for Netherlands. Otherwise, check out these important facts you probably never knew about rekenen-oefenen.nl
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Visit rekenen-oefenen.nlWe analyzed Rekenen-oefenen.nl page load time and found that the first response time was 332 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
rekenen-oefenen.nl performance score
name
value
score
weighting
Value3.3 s
39/100
10%
Value6.2 s
11/100
25%
Value4.8 s
68/100
10%
Value4,220 ms
1/100
30%
Value0
100/100
15%
Value9.1 s
33/100
10%
332 ms
434 ms
412 ms
85 ms
59 ms
Our browser made a total of 41 requests to load all elements on the main page. We found that 73% of them (30 requests) were addressed to the original Rekenen-oefenen.nl, 10% (4 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (504 ms) belongs to the original domain Rekenen-oefenen.nl.
Page size can be reduced by 341.6 kB (37%)
917.2 kB
575.6 kB
In fact, the total size of Rekenen-oefenen.nl main page is 917.2 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. 40% of websites need less resources to load. Images take 422.5 kB which makes up the majority of the site volume.
Potential reduce by 44.5 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 18.0 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 44.5 kB or 86% of the original size.
Potential reduce by 12.7 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. Rekenen Oefenen images are well optimized though.
Potential reduce by 152.0 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 152.0 kB or 53% of the original size.
Potential reduce by 132.4 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. Rekenen-oefenen.nl needs all CSS files to be minified and compressed as it can save up to 132.4 kB or 85% of the original size.
Number of requests can be reduced by 6 (18%)
33
27
The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rekenen Oefenen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
rekenen-oefenen.nl
332 ms
www.rekenen-oefenen.nl
434 ms
www.rekenen-oefenen.nl
412 ms
css_aCJD6Z8Sye8gWK8vWsUFEyI2seTagTe3lzfZAXKPhew.css
85 ms
css
59 ms
css_9Avcq0yRf46NE6PjcuOUQg7ow5JZQobTeC5LVW43FsQ.css
251 ms
adsbygoogle.js
25 ms
js_JLxuxbhhrFRy-sBnijHkR0TGGHgiukMPv94zvDWgQ3g.js
334 ms
js_R9UbiVw2xuTUI0GZoaqMDOdX0lrZtgX-ono8RVOUEVc.js
266 ms
js_V-aJ9BAAiwg8cj8ibq-NnkvF48iJD738A3sKX2PK0_s.js
352 ms
bg_menu.png
96 ms
sprite_logo_nl.png
96 ms
bg-visual.png
93 ms
isabelle_small.png
167 ms
isabelle.png
262 ms
all_sites.png
260 ms
list-arrow.png
169 ms
sprite_ordering.png
169 ms
awards_benefits.png
334 ms
score.png
260 ms
explanation_8.png
259 ms
tasklist.png
259 ms
textballon.png
347 ms
lillian.png
346 ms
melanie.png
344 ms
yasmin.png
342 ms
video_rtl.png
504 ms
rtl4.png
417 ms
videos.png
423 ms
articles.png
425 ms
drilldown.png
426 ms
sprite.png
426 ms
js
105 ms
ga.js
82 ms
ODelI1aHBYDBqgeIAH2zlNzbP97U9sKh0jjxbPbfOKg.ttf
71 ms
toadOcfmlt9b38dHJxOBGMw1o1eFRj7wYC6JbISqOjY.ttf
86 ms
toadOcfmlt9b38dHJxOBGEMbjGELOEJD5J8DUmxkO-A.ttf
112 ms
toadOcfmlt9b38dHJxOBGNNE-IuDiR70wI4zXaKqWCM.ttf
131 ms
__utm.gif
38 ms
collect
77 ms
in.php
286 ms
rekenen-oefenen.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
Heading elements are not in a sequentially-descending order
rekenen-oefenen.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
Page has valid source maps
rekenen-oefenen.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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rekenen-oefenen.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 Rekenen-oefenen.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.
rekenen-oefenen.nl
Open Graph description is not detected on the main page of Rekenen Oefenen. 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: