Tools & Wizards About Us
radioschule.radio.de screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    58% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 63% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 90

    SEO

    Google-friendlier than
    69% of websites

radioschule.radio.de

Radioschule - Schulradio online | Live per Webradio

Page Load Speed

4.3 sec in total

First Response

574 ms

Resources Loaded

3.4 sec

Page Rendered

383 ms

radioschule.radio.de screenshot

About Website

Welcome to radioschule.radio.de homepage info - get ready to check Radioschule Radio best content for Germany right away, or after learning these important things about radioschule.radio.de

Radioschule - Schulradio online Webradio online hören. Den kostenlosen Livestream von Radio Radioschule - Schulradio online aufrufen und weitere Radiosender entdecken.

Visit radioschule.radio.de

Key Findings

We analyzed Radioschule.radio.de page load time and found that the first response time was 574 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

radioschule.radio.de performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

70/100

25%

SI (Speed Index)

Value18.7 s

0/100

10%

TBT (Total Blocking Time)

Value41,410 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.024

100/100

15%

TTI (Time to Interactive)

Value55.9 s

0/100

10%

Network Requests Diagram

radioschule.radio.de

574 ms

zenbox.css

55 ms

radio.css

514 ms

playerapi-046497fa68a21b6611b6c10097342c4d27ea021amin.js

399 ms

omsv_container_151.js

269 ms

Our browser made a total of 129 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Radioschule.radio.de, 44% (57 requests) were made to Static.radio.de and 5% (7 requests) were made to Dmp.theadex.com. The less responsive or slowest element that took the longest time to load (997 ms) relates to the external source Static.radio.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (51%)

Content Size

3.1 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Radioschule.radio.de main page is 3.1 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. 70% of websites need less resources to load. Javascripts take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 131.8 kB

  • Original 163.6 kB
  • After minification 143.1 kB
  • After compression 31.8 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 20.5 kB, which is 13% 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 131.8 kB or 81% of the original size.

Image Optimization

-9%

Potential reduce by 102.0 kB

  • Original 1.2 MB
  • After minification 1.1 MB

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. Radioschule Radio images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 844.6 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 418.8 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 844.6 kB or 67% of the original size.

CSS Optimization

-100%

Potential reduce by 495.0 kB

  • Original 495.4 kB
  • After minification 962 B
  • After compression 439 B

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. Radioschule.radio.de needs all CSS files to be minified and compressed as it can save up to 495.0 kB or 100% of the original size.

Requests Breakdown

Number of requests can be reduced by 48 (40%)

Requests Now

119

After Optimization

71

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 119 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Radioschule Radio. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

radioschule.radio.de

radioschule.radio.de

574 ms

zenbox.css

zenbox.css

55 ms

radio.css

radio.css

514 ms

playerapi-046497fa68a21b6611b6c10097342c4d27ea021amin.js

playerapi-046497fa68a21b6611b6c10097342c4d27ea021amin.js

399 ms

omsv_container_151.js

omsv_container_151.js

269 ms

iam.js

iam.js

399 ms

radio-built-046497fa68a21b6611b6c10097342c4d27ea021a.js

radio-built-046497fa68a21b6611b6c10097342c4d27ea021a.js

831 ms

zenbox.js

zenbox.js

28 ms

gpt.js

gpt.js

5 ms

rc

rc

209 ms

26865,26867,26869,26871

26865,26867,26869,26871

172 ms

rta.js

rta.js

17 ms

pubads_impl_82.js

pubads_impl_82.js

36 ms

container.html

container.html

12 ms

default.js

default.js

169 ms

p.min.js

p.min.js

29 ms

c44.png

c44.png

115 ms

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c175.png

256 ms

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226 ms

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221 ms

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221 ms

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225 ms

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234 ms

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326 ms

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324 ms

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328 ms

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339 ms

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337 ms

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364 ms

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454 ms

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452 ms

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452 ms

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453 ms

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453 ms

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555 ms

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571 ms

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c44.png

571 ms

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c44.png

571 ms

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c44.png

966 ms

c44.png

c44.png

571 ms

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c44.png

968 ms

c44.png

c44.png

996 ms

c44.png

c44.png

997 ms

c44.png

c44.png

996 ms

qs.ioam.de

qs.ioam.de

193 ms

tx.io

tx.io

287 ms

data

data

332 ms

tx.io

tx.io

97 ms

adex.js

adex.js

623 ms

adrtxtag.min.js

adrtxtag.min.js

220 ms

analytics.js

analytics.js

36 ms

ads

ads

152 ms

normal-s2ec5f50070.png

normal-s2ec5f50070.png

852 ms

ani_line_bw.gif

ani_line_bw.gif

592 ms

DINWebPro-Light.woff

DINWebPro-Light.woff

579 ms

DINWebPro.woff

DINWebPro.woff

687 ms

radio_de_icons.woff

radio_de_icons.woff

575 ms

DINWebPro-Cond.woff

DINWebPro-Cond.woff

672 ms

collect

collect

15 ms

DINWebPro-LightItalic.woff

DINWebPro-LightItalic.woff

546 ms

gtm.js

gtm.js

81 ms

ads

ads

403 ms

2.gif

2.gif

430 ms

restserver.php

restserver.php

308 ms

translations.json

translations.json

374 ms

account

account

762 ms

nowplaying

nowplaying

784 ms

localstations

localstations

793 ms

ads

ads

554 ms

stationsbygenre

stationsbygenre

801 ms

ads

ads

119 ms

client:plus.js

client:plus.js

98 ms

adition.js

adition.js

658 ms

js

js

572 ms

ads

ads

53 ms

Fruehling-cd8e3.jpeg

Fruehling-cd8e3.jpeg

293 ms

Ireland-2d07e.jpeg

Ireland-2d07e.jpeg

269 ms

FeuertalFestival-5d6bb.jpeg

FeuertalFestival-5d6bb.jpeg

454 ms

megaloh_RWinter-ef049.jpeg

megaloh_RWinter-ef049.jpeg

441 ms

index-9608b.jpeg

index-9608b.jpeg

354 ms

osd.js

osd.js

35 ms

t.js

t.js

195 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

69 ms

ads

ads

60 ms

sdk.js

sdk.js

56 ms

linkid.js

linkid.js

35 ms

ads

ads

165 ms

147 ms

collect

collect

86 ms

collect

collect

152 ms

postmessageRelay

postmessageRelay

120 ms

collect

collect

65 ms

collect

collect

157 ms

xd_arbiter.php

xd_arbiter.php

77 ms

xd_arbiter.php

xd_arbiter.php

99 ms

tab_de_support.png

tab_de_support.png

232 ms

close_big.png

close_big.png

62 ms

loading.html

loading.html

69 ms

1.gif

1.gif

123 ms

analytic.js

analytic.js

201 ms

197 ms

load_large.gif

load_large.gif

45 ms

3193398744-postmessagerelay.js

3193398744-postmessagerelay.js

55 ms

rpc:shindig_random.js

rpc:shindig_random.js

51 ms

recents

recents

136 ms

recommended

recommended

166 ms

ga-audiences

ga-audiences

89 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

49 ms

c175.png

c175.png

142 ms

c175.png

c175.png

139 ms

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c175.png

137 ms

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130 ms

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142 ms

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153 ms

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323 ms

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c175.png

324 ms

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c175.png

326 ms

pixel

pixel

29 ms

cm.gif

cm.gif

90 ms

c175.png

c175.png

228 ms

c175.png

c175.png

221 ms

c175.png

c175.png

328 ms

c175.png

c175.png

325 ms

c175.png

c175.png

332 ms

2.gif

2.gif

90 ms

banner

banner

92 ms

uid.html

uid.html

181 ms

000000622415.gif

000000622415.gif

170 ms

nr-885.min.js

nr-885.min.js

17 ms

Accessibility Review

radioschule.radio.de accessibility score

86

Accessibility Issues

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

Buttons do not have an accessible name

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

radioschule.radio.de best practices score

75

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

radioschule.radio.de SEO score

90

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Radioschule.radio.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Radioschule.radio.de 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

radioschule.radio.de

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