4.8 sec in total
336 ms
3.7 sec
837 ms
Click here to check amazing Teleac content. Otherwise, check out these important facts you probably never knew about teleac.nl
NPO Kennis is hét kennisplatform voor iedereen die wil weten hoe het zit. Eerst de vraag, dan het snelle antwoord.
Visit teleac.nlWe analyzed Teleac.nl page load time and found that the first response time was 336 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
teleac.nl performance score
name
value
score
weighting
Value9.8 s
0/100
10%
Value16.3 s
0/100
25%
Value11.8 s
4/100
10%
Value3,640 ms
1/100
30%
Value0.023
100/100
15%
Value16.8 s
5/100
10%
336 ms
421 ms
758 ms
17 ms
290 ms
Our browser made a total of 27 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Teleac.nl, 74% (20 requests) were made to Npokennis.nl and 4% (1 request) were made to Educatie.ntr.nl. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Npokennis.nl.
Page size can be reduced by 436.6 kB (24%)
1.8 MB
1.4 MB
In fact, the total size of Teleac.nl main page is 1.8 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. 25% of websites need less resources to load. Javascripts take 822.6 kB which makes up the majority of the site volume.
Potential reduce by 389.1 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 389.1 kB or 86% of the original size.
Potential reduce by 47.4 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. Teleac images are well optimized though.
Potential reduce by 73 B
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. This website has mostly compressed JavaScripts.
Number of requests can be reduced by 19 (79%)
24
5
The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Teleac. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and as a result speed up the page load time.
teleac.nl
336 ms
educatie.ntr.nl
421 ms
npokennis.nl
758 ms
piano-analytics.js
17 ms
tag.min.js
290 ms
npoplayer.js
246 ms
player.js
271 ms
f9da26b766c09643.css
279 ms
ccc9766b8a2bf3ab.css
1320 ms
polyfills-c67a75d1b6f99dc8.js
393 ms
webpack-7dd74acefff54757.js
1357 ms
framework-71d000dbf097540b.js
485 ms
main-11e43cf695af3cac.js
366 ms
_app-1fb9c938ae13a516.js
553 ms
fec483df-d91dc10546e50732.js
554 ms
239-43dc98f289d60e65.js
486 ms
916-0cc10068636c25e1.js
581 ms
953-c3cea58b1dc81b73.js
672 ms
675-5cb43fde840c1820.js
645 ms
index-66657297508ee5f1.js
648 ms
_buildManifest.js
674 ms
_ssgManifest.js
736 ms
theme.js
739 ms
cookies.js
588 ms
22361.w1044.0.0b3ab01.png
1002 ms
npo-start-logo.png
106 ms
ccm-wrapper_v1.1.js
562 ms
teleac.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.
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
ARIA IDs are not unique
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
teleac.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
teleac.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
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Teleac.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 Teleac.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.
teleac.nl
Open Graph data is detected on the main page of Teleac. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: