4.6 sec in total
364 ms
4 sec
253 ms
Click here to check amazing Beroepsziekten content for Netherlands. Otherwise, check out these important facts you probably never knew about beroepsziekten.nl
Het Nederlands Centrum voor Beroepsziekten (NCvB), registreert en signaleert beroepsziekten via het nationale melding- en registratiesysteem en meerdere specifieke peilstations.
Visit beroepsziekten.nlWe analyzed Beroepsziekten.nl page load time and found that the first response time was 364 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.
beroepsziekten.nl performance score
name
value
score
weighting
Value5.9 s
4/100
10%
Value17.0 s
0/100
25%
Value15.1 s
1/100
10%
Value410 ms
66/100
30%
Value0.192
64/100
15%
Value14.3 s
9/100
10%
364 ms
755 ms
247 ms
248 ms
251 ms
Our browser made a total of 51 requests to load all elements on the main page. We found that 94% of them (48 requests) were addressed to the original Beroepsziekten.nl, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Beroepsziekten.nl.
Page size can be reduced by 656.2 kB (26%)
2.5 MB
1.9 MB
In fact, the total size of Beroepsziekten.nl main page is 2.5 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. 35% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.
Potential reduce by 56.0 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 56.0 kB or 70% of the original size.
Potential reduce by 40.5 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. Beroepsziekten images are well optimized though.
Potential reduce by 460.0 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 460.0 kB or 71% of the original size.
Potential reduce by 99.8 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. Beroepsziekten.nl needs all CSS files to be minified and compressed as it can save up to 99.8 kB or 79% of the original size.
Number of requests can be reduced by 19 (39%)
49
30
The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Beroepsziekten. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
beroepsziekten.nl
364 ms
www.beroepsziekten.nl
755 ms
css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css
247 ms
css_-kywoSFYqLMCja9LYuIuUiBKAI77HwOTPbV1zKlDB4M.css
248 ms
css_pkIIX1-lbgCQ7la1XUvEREwb3I27-byhcqXY6JjbTUI.css
251 ms
css_DD4csSklWCg7bf3Bnxr-My_DK0Q8qk209PaXIV0uqjU.css
266 ms
css_eKt2YDGwk5WIoJIH8TyFH0jyjPFG9s0dAAdOI2ZhUzk.css
269 ms
jquery.js
372 ms
jquery.once.js
487 ms
drupal.js
499 ms
jquery.bt.min.js
502 ms
beautytips.min.js
507 ms
excanvas.compiled.js
530 ms
views_slideshow.js
625 ms
admin_devel.js
740 ms
cookieControl-5.1.min.js
749 ms
extlink.js
755 ms
nl_DE9pBaGdLodpRz_7wIO7BAefs4y_tEtT5EZY2YLb3OE.js
762 ms
jquery.cycle.all.min.js
772 ms
views_slideshow_cycle.js
882 ms
googleanalytics.js
988 ms
css
36 ms
analytics.js
102 ms
en-flag.png
359 ms
pijltje.gif
160 ms
amc.jpg
161 ms
inputzoeken.png
161 ms
zoeken.png
320 ms
arrow_bullet.png
320 ms
control-04.jpg
410 ms
ncvb-title.gif
399 ms
welkom-banner-btn-gry.png
404 ms
asbest-03.jpg
584 ms
bouw-02.jpg
730 ms
brandweerman-01.jpg
667 ms
nb-juni2017-01.jpg
774 ms
nb-maart2016-01.jpg
775 ms
Heijermanslezing_06-2017.jpg
1065 ms
nb-jun2013-01.jpg
936 ms
nb-maart2017-01_sml.jpg
1095 ms
BIC-2016_cover.png
1873 ms
nb-nov2014-01.jpg
1197 ms
nb-juli2016-02.jpg
1197 ms
pur.png
1338 ms
pma_logo.png
1314 ms
kiza_logo.jpg
1348 ms
gehoor_logo.jpg
1444 ms
social_twitter-1.png
1443 ms
social_fboek.png
1570 ms
rss-feeds.png
1579 ms
collect
14 ms
beroepsziekten.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Links do not have a discernible name
beroepsziekten.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
Missing source maps for large first-party JavaScript
beroepsziekten.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
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 Beroepsziekten.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 Beroepsziekten.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.
beroepsziekten.nl
Open Graph description is not detected on the main page of Beroepsziekten. 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: