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jazz24.org screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

jazz24.org

World Class Jazz Radio | Jazz24

Page Load Speed

1 sec in total

First Response

9 ms

Resources Loaded

406 ms

Page Rendered

618 ms

jazz24.org screenshot

About Website

Welcome to jazz24.org homepage info - get ready to check Jazz24 best content for United States right away, or after learning these important things about jazz24.org

Listen to our free jazz stream worldwide featuring Miles Davis, John Coltrane, Dave Brubeck, Samara Joy and more! Immerse yourself in jazz classics and contemporary jazz!

Visit jazz24.org

Key Findings

We analyzed Jazz24.org page load time and found that the first response time was 9 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

jazz24.org performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value10.2 s

0/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value2,830 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.029

100/100

15%

TTI (Time to Interactive)

Value16.9 s

5/100

10%

Network Requests Diagram

jazz24.org

9 ms

www.jazz24.org

31 ms

www.jazz24.org

25 ms

All.min.ab6eee59525552b9100e33650d638008.gz.css

35 ms

css2

60 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 6% of them (3 requests) were addressed to the original Jazz24.org, 64% (32 requests) were made to Npr.brightspotcdn.com and 8% (4 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (195 ms) relates to the external source Googletagmanager.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 145.3 kB (18%)

Content Size

810.7 kB

After Optimization

665.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jazz24.org main page is 810.7 kB. 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. Images take 305.2 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 142.2 kB

  • Original 175.7 kB
  • After minification 150.0 kB
  • After compression 33.6 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 25.8 kB, which is 15% 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 142.2 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 1.8 kB

  • Original 305.2 kB
  • After minification 303.4 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. Jazz24 images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 260 B

  • Original 263.7 kB
  • After minification 263.7 kB
  • After compression 263.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 1.1 kB

  • Original 66.1 kB
  • After minification 66.1 kB
  • After compression 65.0 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. Jazz24.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (33%)

Requests Now

40

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jazz24. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jazz24.org

jazz24.org

9 ms

www.jazz24.org

www.jazz24.org

31 ms

www.jazz24.org

www.jazz24.org

25 ms

All.min.ab6eee59525552b9100e33650d638008.gz.css

All.min.ab6eee59525552b9100e33650d638008.gz.css

35 ms

css2

css2

60 ms

css2

css2

77 ms

css2

css2

81 ms

All.min.4b4833d6fd1d7b8e09869a5338764779.gz.js

All.min.4b4833d6fd1d7b8e09869a5338764779.gz.js

49 ms

gpt.js

gpt.js

192 ms

bsp-analytics.min.3d492319d8b084de04ab3a208c32f0b5.gz.js

bsp-analytics.min.3d492319d8b084de04ab3a208c32f0b5.gz.js

27 ms

gtm.js

gtm.js

142 ms

sdk.js

sdk.js

68 ms

k604scek31

k604scek31

107 ms

gtm.js

gtm.js

195 ms

css

css

20 ms

16 ms

12 ms

55 ms

58 ms

58 ms

60 ms

61 ms

66 ms

65 ms

65 ms

65 ms

66 ms

65 ms

71 ms

71 ms

70 ms

71 ms

70 ms

69 ms

96 ms

95 ms

96 ms

95 ms

94 ms

95 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

74 ms

03523cf578d69fa92322.7fd94fa817347c6bd7becf26441c6613.ttf

03523cf578d69fa92322.7fd94fa817347c6bd7becf26441c6613.ttf

74 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

76 ms

13a29228654d5c5ec9c4.7b0eb73b656115d05b57f4fa7ecf42d4.ttf

13a29228654d5c5ec9c4.7b0eb73b656115d05b57f4fa7ecf42d4.ttf

75 ms

0cea39826bd36bbfe330.149b470671f9f421e78f806a06dd415d.ttf

0cea39826bd36bbfe330.149b470671f9f421e78f806a06dd415d.ttf

76 ms

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

76 ms

4f39c5796e60c9d8e732.cd710cfd3cd36443d1c66b0d79d445c5.ttf

4f39c5796e60c9d8e732.cd710cfd3cd36443d1c66b0d79d445c5.ttf

75 ms

sdk.js

sdk.js

13 ms

pubads_impl.js

pubads_impl.js

60 ms

clarity.js

clarity.js

58 ms

Accessibility Review

jazz24.org accessibility score

94

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.

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

Best Practices

jazz24.org best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

jazz24.org 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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jazz24.org 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 Jazz24.org 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

jazz24.org

Open Graph data is detected on the main page of Jazz24. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: