Tools & Wizards About Us
radio6.nl screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

radio6.nl

NPO Soul & Jazz

Page Load Speed

4.8 sec in total

First Response

357 ms

Resources Loaded

4.1 sec

Page Rendered

346 ms

radio6.nl screenshot

About Website

Click here to check amazing Radio 6 content for Netherlands. Otherwise, check out these important facts you probably never knew about radio6.nl

NPO Soul & Jazz is dé plek voor de nieuwste muziek en de beste artiesten.

Visit radio6.nl

Key Findings

We analyzed Radio6.nl page load time and found that the first response time was 357 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.

Performance Metrics

radio6.nl performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

62/100

10%

LCP (Largest Contentful Paint)

Value8.3 s

2/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value4,190 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.066

97/100

15%

TTI (Time to Interactive)

Value14.2 s

9/100

10%

Network Requests Diagram

radio6.nl

357 ms

www.nposoulenjazz.nl

950 ms

04d33634a5b1fca5d00d2e8447d9a723.css

592 ms

a220abd0b9d5963b321f2f6923f0fd96.css

352 ms

npo_centraalnav.css

349 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Radio6.nl, 67% (34 requests) were made to Nposoulenjazz.nl and 10% (5 requests) were made to Cookiesv2.publiekeomroep.nl. The less responsive or slowest element that took the longest time to load (968 ms) relates to the external source Nposoulenjazz.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 400.4 kB (28%)

Content Size

1.4 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Radio6.nl main page is 1.4 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 974.7 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 24.4 kB

  • Original 32.3 kB
  • After minification 27.9 kB
  • After compression 7.9 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 4.4 kB, which is 14% 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 24.4 kB or 75% of the original size.

Image Optimization

-3%

Potential reduce by 29.1 kB

  • Original 974.7 kB
  • After minification 945.6 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. Radio 6 images are well optimized though.

JavaScript Optimization

-78%

Potential reduce by 219.1 kB

  • Original 280.0 kB
  • After minification 203.0 kB
  • After compression 60.8 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 219.1 kB or 78% of the original size.

CSS Optimization

-86%

Potential reduce by 127.8 kB

  • Original 148.9 kB
  • After minification 112.8 kB
  • After compression 21.1 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. Radio6.nl needs all CSS files to be minified and compressed as it can save up to 127.8 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (40%)

Requests Now

43

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Radio 6. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

radio6.nl

radio6.nl

357 ms

www.nposoulenjazz.nl

www.nposoulenjazz.nl

950 ms

04d33634a5b1fca5d00d2e8447d9a723.css

04d33634a5b1fca5d00d2e8447d9a723.css

592 ms

a220abd0b9d5963b321f2f6923f0fd96.css

a220abd0b9d5963b321f2f6923f0fd96.css

352 ms

npo_centraalnav.css

npo_centraalnav.css

349 ms

dj-style.css

dj-style.css

281 ms

modernizr.custom.js

modernizr.custom.js

234 ms

jquery.min.js

jquery.min.js

71 ms

npo_cc_styles.css

npo_cc_styles.css

352 ms

cconsent-no-rw.min.js

cconsent-no-rw.min.js

588 ms

npo_centraalnav.js

npo_centraalnav.js

352 ms

jquery-ui.min.js

jquery-ui.min.js

40 ms

jquery.tools.min.js

jquery.tools.min.js

122 ms

jquery.slimscroll.min.js

jquery.slimscroll.min.js

235 ms

jquery.lazyload.min.js

jquery.lazyload.min.js

235 ms

jquery.superfish.js

jquery.superfish.js

239 ms

pbjs.js

pbjs.js

572 ms

pbplayer.js

pbplayer.js

468 ms

pbplayer-npo.js

pbplayer-npo.js

357 ms

a48e6c484ad47cb1462e0678eae93663-non-packed.js

a48e6c484ad47cb1462e0678eae93663-non-packed.js

704 ms

cs.js

cs.js

5 ms

NPO_SJ_Logo_RGB.png

NPO_SJ_Logo_RGB.png

121 ms

icons-listen-watch.png

icons-listen-watch.png

121 ms

social-buttons-small.png

social-buttons-small.png

122 ms

menubar-icon-home.png

menubar-icon-home.png

119 ms

artiestenheader.png

artiestenheader.png

968 ms

list-item-arrow-right.png

list-item-arrow-right.png

236 ms

grey.gif

grey.gif

235 ms

promo-arrows.png

promo-arrows.png

239 ms

blank.gif

blank.gif

241 ms

bg_loading-overlay.png

bg_loading-overlay.png

301 ms

npo-logos-sprite.png

npo-logos-sprite.png

345 ms

NPO_RD2_Logo_RGB.png

NPO_RD2_Logo_RGB.png

301 ms

vagroundedstdlight.woff

vagroundedstdlight.woff

301 ms

npo_sans_regular.woff

npo_sans_regular.woff

581 ms

pompejiregular.woff

pompejiregular.woff

307 ms

vagroundedstdbold.woff

vagroundedstdbold.woff

426 ms

light.php

light.php

119 ms

etalage-prevnownext.json

etalage-prevnownext.json

697 ms

nowplaying-laatste5.json

nowplaying-laatste5.json

255 ms

loading_circle-big.gif

loading_circle-big.gif

370 ms

bg_gradient.gif

bg_gradient.gif

609 ms

sprite2.png

sprite2.png

240 ms

omrndbd_-webfont-b53f41a7ef0bf4c19c2604a4475b2e5a.woff

omrndbd_-webfont-b53f41a7ef0bf4c19c2604a4475b2e5a.woff

354 ms

Erik_Truffaz_Lost_in_Bogota.jpg

Erik_Truffaz_Lost_in_Bogota.jpg

236 ms

Julian+Velard.jpg

Julian+Velard.jpg

348 ms

bob_earl_harlem_shuffle.jpg

bob_earl_harlem_shuffle.jpg

234 ms

nowplaying_dummy.png

nowplaying_dummy.png

124 ms

omroep%20max_h70_shdw.png

omroep%20max_h70_shdw.png

641 ms

w352.9cde8_1dbf700fde50297a0a9e53e770ae41b1.png

w352.9cde8_1dbf700fde50297a0a9e53e770ae41b1.png

237 ms

r6_listen_options2.png

r6_listen_options2.png

234 ms

Accessibility Review

radio6.nl accessibility score

96

Accessibility Issues

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

High

button, link, and menuitem elements do not have accessible names.

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best Practices

radio6.nl best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

radio6.nl SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Radio6.nl can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Dutch language. Our system also found out that Radio6.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.

Social Sharing Optimization

radio6.nl

Open Graph description is not detected on the main page of Radio 6. 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: