4.7 sec in total
370 ms
4 sec
335 ms
Visit sterren.nl now to see the best up-to-date Sterren content and also check out these interesting facts you probably never knew about sterren.nl
NPO Sterren NL is DE plek voor muziek, nieuws, video's en acties van de allerbeste Nederlandse artiesten!
Visit sterren.nlWe analyzed Sterren.nl page load time and found that the first response time was 370 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
sterren.nl performance score
name
value
score
weighting
Value2.0 s
83/100
10%
Value6.5 s
8/100
25%
Value4.7 s
69/100
10%
Value1,100 ms
23/100
30%
Value0.07
96/100
15%
Value10.0 s
26/100
10%
370 ms
698 ms
225 ms
377 ms
533 ms
Our browser made a total of 92 requests to load all elements on the main page. We found that 4% of them (4 requests) were addressed to the original Sterren.nl, 60% (55 requests) were made to Sterren.avrotros.nl and 21% (19 requests) were made to Images.poms.omroep.nl. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Npoplayer.omroep.nl.
Page size can be reduced by 751.6 kB (52%)
1.5 MB
707.6 kB
In fact, the total size of Sterren.nl main page is 1.5 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. 30% of websites need less resources to load. Javascripts take 763.2 kB which makes up the majority of the site volume.
Potential reduce by 54.2 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. 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 54.2 kB or 84% of the original size.
Potential reduce by 21.0 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. Sterren images are well optimized though.
Potential reduce by 570.1 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 570.1 kB or 75% of the original size.
Potential reduce by 106.2 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. Sterren.nl needs all CSS files to be minified and compressed as it can save up to 106.2 kB or 79% of the original size.
Number of requests can be reduced by 30 (35%)
85
55
The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sterren. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
sterren.nl
370 ms
sterren.avrotros.nl
698 ms
stylesheet_17306be7fa.css
225 ms
core.css
377 ms
layout.css
533 ms
extensions.css
574 ms
typography.css
385 ms
colorbox.css
335 ms
npo_cc_styles.css
345 ms
cookiemuur_v2.css
999 ms
jquery-1.7.1.min.js
889 ms
merge_head.php
799 ms
jquery.tweet.js
641 ms
javascript_0b12553063.js
504 ms
cconsent.min.js
468 ms
cookiemuur_v2.js
778 ms
npoplayer-min.js
1494 ms
jquery.nivo.slider.pack.js
435 ms
jquery.colorbox-min.js
306 ms
jquery.dotdotdot-1.4.0-packed.js
373 ms
merge_footer.php
1147 ms
cs.js
7 ms
css
21 ms
css
74 ms
bg_gr_blue.gif
236 ms
rob-de-nijs-website.jpg
753 ms
723019.jpg
699 ms
sterren.nl_logo.png
220 ms
avrotros-logo_header.png
221 ms
Radioplayer_default.png
373 ms
thomas-geel-pak.jpg
263 ms
Stef-Bos.jpg
253 ms
Dutch2013-151.jpg
283 ms
john-west-home.jpg
515 ms
win-schatkist-home_01.jpg
489 ms
ledendag.jpg
390 ms
dab-plus-sterren-radio.jpg
524 ms
pp-home.jpg
421 ms
info-over-sterren2.jpg
613 ms
avrotros-logo_footer.png
504 ms
2def-wit.jpg
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home-steiger.jpg
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711 ms
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1040 ms
header_bg-border.gif
540 ms
radio-player-track.png
620 ms
button_sprite.png
825 ms
sound-eq.gif
606 ms
mainnav_sprite.png
648 ms
mainnav_item.png
688 ms
searchbox.png
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icon_sprite.png
861 ms
content_bgwhite-shadow2.png
734 ms
content_bg-grgrey.gif
768 ms
titel-bar_gr-stripes-grey.gif
820 ms
block-titelbar_fx-gr.png
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top20-position.png
876 ms
button_videoclip.png
901 ms
top20-weken.png
935 ms
top20-weken-single.png
963 ms
footer_bg-grdgrey.gif
974 ms
footer_content-white.png
978 ms
p2
24 ms
bottom-bar_bg-grgrey.gif
986 ms
bg_gradient.gif
241 ms
getTime.php
872 ms
sprite2.png
225 ms
scrollbar_sprite.png
861 ms
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1 ms
fontello.svg
140 ms
omrndbd_-webfont-b53f41a7ef0bf4c19c2604a4475b2e5a.woff
461 ms
2def-wit.jpg
383 ms
rob-de-nijs-website.jpg
638 ms
home-steiger.jpg
476 ms
RpSong.php
209 ms
Radioplayer-ruth-jacott.png
503 ms
sterren.nl accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
button, link, and menuitem elements do not have accessible names.
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
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
sterren.nl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
sterren.nl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sterren.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 Sterren.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.
sterren.nl
Open Graph description is not detected on the main page of Sterren. 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: