Tools & Wizards About Us
jazzradiovocal.radio.de screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    49% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 99

    SEO

    Google-friendlier than
    94% of websites

jazzradiovocal.radio.de

Online Radio, Webradio, Internetradio & Musik kostenlos hören

Page Load Speed

5.8 sec in total

First Response

523 ms

Resources Loaded

4.4 sec

Page Rendered

883 ms

jazzradiovocal.radio.de screenshot

About Website

Visit jazzradiovocal.radio.de now to see the best up-to-date Jazz Radio Vocal content for Germany and also check out these interesting facts you probably never knew about jazzradiovocal.radio.de

Online Radio und Musik auf über 60.000 nationalen und internationalen Radiosendern direkt online hören. Jetzt per Webradio live und kostenlos auf radio.de.

Visit jazzradiovocal.radio.de

Key Findings

We analyzed Jazzradiovocal.radio.de page load time and found that the first response time was 523 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

jazzradiovocal.radio.de performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

28/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value4,560 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value18.2 s

3/100

10%

Network Requests Diagram

www.radio.de

523 ms

zenbox.css

56 ms

radio.css

518 ms

omsv_container_151.js

290 ms

iam.js

401 ms

Our browser made a total of 140 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Jazzradiovocal.radio.de, 10% (14 requests) were made to Dmp.theadex.com and 4% (5 requests) were made to Securepubads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Static.radio.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.5 MB (55%)

Content Size

2.8 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jazzradiovocal.radio.de main page is 2.8 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. 65% of websites need less resources to load. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 136.8 kB

  • Original 170.7 kB
  • After minification 148.7 kB
  • After compression 33.9 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 22.0 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 136.8 kB or 80% of the original size.

Image Optimization

-11%

Potential reduce by 107.6 kB

  • Original 959.7 kB
  • After minification 852.1 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. Obviously, Jazz Radio Vocal needs image optimization as it can save up to 107.6 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 776.1 kB

  • Original 1.2 MB
  • After minification 1.1 MB
  • After compression 376.7 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 776.1 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. Jazzradiovocal.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 (36%)

Requests Now

132

After Optimization

84

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 132 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jazz Radio Vocal. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.radio.de

www.radio.de

523 ms

zenbox.css

zenbox.css

56 ms

radio.css

radio.css

518 ms

omsv_container_151.js

omsv_container_151.js

290 ms

iam.js

iam.js

401 ms

radio-built-046497fa68a21b6611b6c10097342c4d27ea021a.js

radio-built-046497fa68a21b6611b6c10097342c4d27ea021a.js

851 ms

zenbox.js

zenbox.js

31 ms

gpt.js

gpt.js

7 ms

rc

rc

229 ms

26865,26867,26869,26871

26865,26867,26869,26871

184 ms

rta.js

rta.js

33 ms

pubads_impl_82.js

pubads_impl_82.js

9 ms

container.html

container.html

7 ms

default.js

default.js

182 ms

adex.js

adex.js

258 ms

ci

ci

206 ms

p.min.js

p.min.js

29 ms

c44.png

c44.png

184 ms

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227 ms

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227 ms

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353 ms

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352 ms

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233 ms

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353 ms

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460 ms

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460 ms

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470 ms

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476 ms

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486 ms

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476 ms

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647 ms

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1321 ms

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645 ms

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1318 ms

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1323 ms

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1325 ms

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1410 ms

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1406 ms

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1410 ms

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1408 ms

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1410 ms

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1411 ms

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1411 ms

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1412 ms

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1411 ms

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1415 ms

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1412 ms

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1413 ms

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1416 ms

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1416 ms

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1415 ms

c44.png

c44.png

1416 ms

tx.io

tx.io

196 ms

data

data

368 ms

c44.png

c44.png

1331 ms

t.js

t.js

120 ms

c44.png

c44.png

1248 ms

tx.io

tx.io

96 ms

c44.png

c44.png

1204 ms

c44.png

c44.png

1204 ms

c44.png

c44.png

1198 ms

analytic.js

analytic.js

113 ms

150 ms

1.gif

1.gif

228 ms

analytics.js

analytics.js

44 ms

ads

ads

83 ms

c44.png

c44.png

1096 ms

c44.png

c44.png

1095 ms

c44.png

c44.png

1214 ms

collect

collect

74 ms

pixel

pixel

83 ms

2.gif

2.gif

923 ms

adex.js

adex.js

235 ms

adrtxtag.min.js

adrtxtag.min.js

236 ms

ads

ads

158 ms

DINWebPro-Light.woff

DINWebPro-Light.woff

1321 ms

DINWebPro.woff

DINWebPro.woff

1316 ms

osd.js

osd.js

19 ms

radio_de_icons.woff

radio_de_icons.woff

977 ms

pixel

pixel

138 ms

DINWebPro-Cond.woff

DINWebPro-Cond.woff

1305 ms

c44.png

c44.png

1297 ms

2.gif

2.gif

160 ms

gtm.js

gtm.js

151 ms

cm.gif

cm.gif

798 ms

ads

ads

691 ms

normal-s2ec5f50070.png

normal-s2ec5f50070.png

1673 ms

translations.json

translations.json

450 ms

account

account

975 ms

localstations

localstations

1023 ms

topstations

topstations

857 ms

7539567558450461020

7539567558450461020

621 ms

ads

ads

468 ms

2.gif

2.gif

461 ms

2.gif

2.gif

815 ms

analytic.js

analytic.js

342 ms

419 ms

1.gif

1.gif

386 ms

client:plus.js

client:plus.js

384 ms

linkid.js

linkid.js

221 ms

ads

ads

167 ms

sdk.js

sdk.js

91 ms

tab_de_support.png

tab_de_support.png

423 ms

close_big.png

close_big.png

148 ms

collect

collect

128 ms

collect

collect

321 ms

collect

collect

122 ms

recents

recents

270 ms

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408 ms

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499 ms

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408 ms

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328 ms

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328 ms

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404 ms

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445 ms

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439 ms

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495 ms

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628 ms

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594 ms

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626 ms

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625 ms

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595 ms

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594 ms

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c175.png

736 ms

c175.png

c175.png

738 ms

c175.png

c175.png

738 ms

c175.png

c175.png

738 ms

loading.html

loading.html

192 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

153 ms

256 ms

xd_arbiter.php

xd_arbiter.php

77 ms

xd_arbiter.php

xd_arbiter.php

109 ms

load_large.gif

load_large.gif

73 ms

ga-audiences

ga-audiences

98 ms

2.gif

2.gif

90 ms

postmessageRelay

postmessageRelay

68 ms

3193398744-postmessagerelay.js

3193398744-postmessagerelay.js

44 ms

rpc:shindig_random.js

rpc:shindig_random.js

43 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

4 ms

nr-885.min.js

nr-885.min.js

42 ms

Accessibility Review

jazzradiovocal.radio.de accessibility score

90

Accessibility Issues

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

Links do not have a discernible name

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

jazzradiovocal.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

jazzradiovocal.radio.de SEO score

99

Search Engine Optimization Advices

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 Jazzradiovocal.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 Jazzradiovocal.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

jazzradiovocal.radio.de

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