Tools & Wizards About Us
radioluisteren.fm screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

radioluisteren.fm

RadioLuisteren.fm - Online radio luisteren

Page Load Speed

7 sec in total

First Response

683 ms

Resources Loaded

6.1 sec

Page Rendered

205 ms

radioluisteren.fm screenshot

About Website

Welcome to radioluisteren.fm homepage info - get ready to check Radio Luisteren best content for Netherlands right away, or after learning these important things about radioluisteren.fm

Op RadioLuisteren.fm vind je een overzicht van de meest populaire nationale en regionale radiostations. Klik een zender aan en luister direct!

Visit radioluisteren.fm

Key Findings

We analyzed Radioluisteren.fm page load time and found that the first response time was 683 ms and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

radioluisteren.fm performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value13.3 s

2/100

10%

TBT (Total Blocking Time)

Value1,220 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.0 s

6/100

10%

Network Requests Diagram

radioluisteren.fm

683 ms

www.radioluisteren.fm

3392 ms

main.js

168 ms

stijl.css

196 ms

ga.js

51 ms

Our browser made a total of 110 requests to load all elements on the main page. We found that 30% of them (33 requests) were addressed to the original Radioluisteren.fm, 10% (11 requests) were made to S1.2mdn.net and 6% (7 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (3.4 sec) belongs to the original domain Radioluisteren.fm.

Page Optimization Overview & Recommendations

Page size can be reduced by 208.6 kB (19%)

Content Size

1.1 MB

After Optimization

891.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Radioluisteren.fm main page is 1.1 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. 50% of websites need less resources to load. Images take 786.0 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 30.7 kB

  • Original 41.0 kB
  • After minification 40.9 kB
  • After compression 10.3 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 30.7 kB or 75% of the original size.

Image Optimization

-2%

Potential reduce by 17.4 kB

  • Original 786.0 kB
  • After minification 768.6 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 Luisteren images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 149.5 kB

  • Original 258.8 kB
  • After minification 249.4 kB
  • After compression 109.3 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 149.5 kB or 58% of the original size.

CSS Optimization

-76%

Potential reduce by 10.9 kB

  • Original 14.3 kB
  • After minification 13.0 kB
  • After compression 3.4 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. Radioluisteren.fm needs all CSS files to be minified and compressed as it can save up to 10.9 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 57 (55%)

Requests Now

103

After Optimization

46

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 103 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Radio Luisteren. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

radioluisteren.fm

radioluisteren.fm

683 ms

www.radioluisteren.fm

www.radioluisteren.fm

3392 ms

main.js

main.js

168 ms

stijl.css

stijl.css

196 ms

ga.js

ga.js

51 ms

AdLanticHPTO.php

AdLanticHPTO.php

437 ms

plusone.js

plusone.js

90 ms

zender

zender

211 ms

yieldtag.php

yieldtag.php

589 ms

overlay75.png

overlay75.png

175 ms

back-img.jpg

back-img.jpg

554 ms

header-bg.png

header-bg.png

189 ms

drop.gif

drop.gif

219 ms

twitter_small.png

twitter_small.png

222 ms

facebook_small.png

facebook_small.png

373 ms

n2.png

n2.png

366 ms

con_top.png

con_top.png

374 ms

con_bottom.png

con_bottom.png

390 ms

con_mid.png

con_mid.png

394 ms

sprites.png

sprites.png

615 ms

menu.jpg

menu.jpg

547 ms

home.jpg

home.jpg

573 ms

sap1.jpg

sap1.jpg

557 ms

over.png

over.png

572 ms

logos.png

logos.png

1353 ms

trans.png

trans.png

730 ms

loading.gif

loading.gif

738 ms

over_half.png

over_half.png

750 ms

omrop_fryslan_half.png

omrop_fryslan_half.png

751 ms

rtv_drenthe_half.png

rtv_drenthe_half.png

797 ms

rtv_flevoland_half.png

rtv_flevoland_half.png

983 ms

omroep_zeeland_half.png

omroep_zeeland_half.png

983 ms

more1000.png

more1000.png

982 ms

showmore.png

showmore.png

995 ms

idlogo.png

idlogo.png

1020 ms

__utm.gif

__utm.gif

13 ms

collect

collect

89 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

18 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

45 ms

fastbutton

fastbutton

113 ms

postmessageRelay

postmessageRelay

41 ms

api.js

api.js

31 ms

core:rpc:shindig.random:shindig.sha1.js

core:rpc:shindig.random:shindig.sha1.js

79 ms

2536007149-postmessagerelay.js

2536007149-postmessagerelay.js

70 ms

stijl.css

stijl.css

896 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

43 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

34 ms

rta.js

rta.js

20 ms

c1dev.php

c1dev.php

105 ms

adj

adj

128 ms

show_ads.js

show_ads.js

5 ms

pixel

pixel

31 ms

generic

generic

28 ms

ca-pub-5962623104927317.js

ca-pub-5962623104927317.js

73 ms

zrt_lookup.html

zrt_lookup.html

74 ms

show_ads_impl.js

show_ads_impl.js

78 ms

all.js

all.js

34 ms

l1.php

l1.php

135 ms

sap.png

sap.png

259 ms

generic

generic

17 ms

pixel

pixel

53 ms

match

match

10 ms

match

match

44 ms

match

match

72 ms

match

match

66 ms

ads

ads

182 ms

match

match

21 ms

134 ms

osd.js

osd.js

12 ms

xd_arbiter.php

xd_arbiter.php

28 ms

xd_arbiter.php

xd_arbiter.php

36 ms

__utm.gif

__utm.gif

11 ms

adj

adj

105 ms

skeleton.js

skeleton.js

80 ms

beacon

beacon

68 ms

firstevent

firstevent

9 ms

modernizr_2.8.3_ec185bb44fe5e6bf7455d6e8ef37ed0e_no-classes.js

modernizr_2.8.3_ec185bb44fe5e6bf7455d6e8ef37ed0e_no-classes.js

79 ms

lidar.js

lidar.js

20 ms

surly.js

surly.js

42 ms

ba.html

ba.html

34 ms

pixel

pixel

36 ms

4.gif

4.gif

10 ms

PH_5FlavorMenu_728x90_Animated.html

PH_5FlavorMenu_728x90_Animated.html

49 ms

dt

dt

115 ms

4311.js

4311.js

24 ms

skeleton.js

skeleton.js

110 ms

TweenLite.min.js

TweenLite.min.js

54 ms

TimelineLite.min.js

TimelineLite.min.js

62 ms

CSSPlugin.min.js

CSSPlugin.min.js

120 ms

EasePack.min.js

EasePack.min.js

65 ms

rta.js

rta.js

39 ms

dtc

dtc

20 ms

sd

sd

5 ms

push

push

15 ms

bg.jpg

bg.jpg

5 ms

logo_ph_small.svg

logo_ph_small.svg

9 ms

flavor_menu.svg

flavor_menu.svg

10 ms

ph_logo_txt.svg

ph_logo_txt.svg

13 ms

pizza.gif

pizza.gif

15 ms

wings.png

wings.png

18 ms

pasta.png

pasta.png

18 ms

brownie.png

brownie.png

16 ms

buy_2_or_more.svg

buy_2_or_more.svg

15 ms

order_bttn.svg

order_bttn.svg

18 ms

pixel

pixel

24 ms

box_19_top-right.png

box_19_top-right.png

26 ms

ci.png

ci.png

18 ms

exc2.php

exc2.php

132 ms

like.php

like.php

85 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

28 ms

Accessibility Review

radioluisteren.fm accessibility score

61

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

[aria-*] attributes do not match their roles

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

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

radioluisteren.fm best practices score

58

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

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

radioluisteren.fm SEO score

62

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Radioluisteren.fm can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Radioluisteren.fm 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

radioluisteren.fm

Open Graph data is detected on the main page of Radio Luisteren. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: