Tools & Wizards About Us
radioklassik.at screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

radioklassik.at

radio klassik Stephansdom: Gefühle einschalten - Radio Klassik

Page Load Speed

5.1 sec in total

First Response

419 ms

Resources Loaded

3.2 sec

Page Rendered

1.5 sec

radioklassik.at screenshot

About Website

Click here to check amazing Radio Klassik content for Austria. Otherwise, check out these important facts you probably never knew about radioklassik.at

Willkommen bei radio klassik Stephansdom, dem Sender der berührt. Tauchen Sie in die Welt der klassischen Musik ein. On air und online.

Visit radioklassik.at

Key Findings

We analyzed Radioklassik.at page load time and found that the first response time was 419 ms and then it took 4.7 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

radioklassik.at performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

21/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value410 ms

67/100

30%

CLS (Cumulative Layout Shift)

Value0.312

37/100

15%

TTI (Time to Interactive)

Value5.9 s

65/100

10%

Network Requests Diagram

radioklassik.at

419 ms

radioklassik.at

459 ms

bundle.js

656 ms

bootstrap.min-83a1b26719ab7c54a60e4aa8642dbb48.css.gzip

111 ms

swiper-bundle.min-0853d470a688da67794f2964ad805167.css.gzip

221 ms

Our browser made a total of 116 requests to load all elements on the main page. We found that 93% of them (108 requests) were addressed to the original Radioklassik.at, 6% (7 requests) were made to Static.clickskeks.at and 1% (1 request) were made to . The less responsive or slowest element that took the longest time to load (887 ms) belongs to the original domain Radioklassik.at.

Page Optimization Overview & Recommendations

Page size can be reduced by 72.6 kB (6%)

Content Size

1.2 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Radioklassik.at main page is 1.2 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. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 51.6 kB

  • Original 65.8 kB
  • After minification 58.2 kB
  • After compression 14.2 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 7.6 kB, which is 12% 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 51.6 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 19.7 kB

  • Original 1.0 MB
  • After minification 987.2 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 Klassik images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 960 B

  • Original 117.0 kB
  • After minification 117.0 kB
  • After compression 116.0 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

-1%

Potential reduce by 296 B

  • Original 42.4 kB
  • After minification 42.4 kB
  • After compression 42.1 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. Radioklassik.at has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 45 (41%)

Requests Now

109

After Optimization

64

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 109 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Radio Klassik. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

radioklassik.at

radioklassik.at

419 ms

radioklassik.at

radioklassik.at

459 ms

bundle.js

bundle.js

656 ms

bootstrap.min-83a1b26719ab7c54a60e4aa8642dbb48.css.gzip

bootstrap.min-83a1b26719ab7c54a60e4aa8642dbb48.css.gzip

111 ms

swiper-bundle.min-0853d470a688da67794f2964ad805167.css.gzip

swiper-bundle.min-0853d470a688da67794f2964ad805167.css.gzip

221 ms

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flatpickr.min-fe30821294e9c5e720b7e0db52e7c869.css.gzip

333 ms

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329 ms

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330 ms

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438 ms

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439 ms

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439 ms

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439 ms

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546 ms

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547 ms

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548 ms

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546 ms

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547 ms

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682 ms

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683 ms

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684 ms

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683 ms

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683 ms

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684 ms

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883 ms

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884 ms

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Menu-64cd34b5dbbd3e4848286832b3097be0.js.gzip

884 ms

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AjaxMenu-631732b93bee8569dfee6a826713164e.js.gzip

885 ms

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886 ms

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887 ms

app.css

app.css

89 ms

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module.js

228 ms

widget

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274 ms

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126 ms

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125 ms

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126 ms

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127 ms

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130 ms

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129 ms

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223 ms

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219 ms

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220 ms

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332 ms

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Accessibility Review

radioklassik.at accessibility score

88

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 are not valid or misspelled

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

Heading elements are not in a sequentially-descending order

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

radioklassik.at best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

radioklassik.at SEO score

90

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

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

radioklassik.at

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