Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

dhd-audio.de

Digital Audio Consoles and Routers for Radio and TV - DHD.audio

Page Load Speed

2.3 sec in total

First Response

506 ms

Resources Loaded

1.5 sec

Page Rendered

225 ms

dhd-audio.de screenshot

About Website

Welcome to dhd-audio.de homepage info - get ready to check DHD Audio best content right away, or after learning these important things about dhd-audio.de

DHD develops and manufactures digital audio consoles and routers for professional applications in radio and TV broadcast studios.

Visit dhd-audio.de

Key Findings

We analyzed Dhd-audio.de page load time and found that the first response time was 506 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

dhd-audio.de performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.1 s

1/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

0/100

25%

SI (Speed Index)

Value13.0 s

2/100

10%

TBT (Total Blocking Time)

Value6,330 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.4 s

5/100

10%

Network Requests Diagram

dhd-audio.de

506 ms

template_css.css

102 ms

dist_prot.js

203 ms

mod_jflanguageselection.css

222 ms

spacer.gif

102 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that all of those requests were addressed to Dhd-audio.de and no external sources were called. The less responsive or slowest element that took the longest time to load (797 ms) belongs to the original domain Dhd-audio.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 92.9 kB (30%)

Content Size

309.9 kB

After Optimization

217.0 kB

In fact, the total size of Dhd-audio.de main page is 309.9 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. 20% of websites need less resources to load. Images take 207.5 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 53.2 kB

  • Original 62.8 kB
  • After minification 56.0 kB
  • After compression 9.6 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 6.8 kB, which is 11% 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 53.2 kB or 85% of the original size.

Image Optimization

-3%

Potential reduce by 6.4 kB

  • Original 207.5 kB
  • After minification 201.1 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. DHD Audio images are well optimized though.

JavaScript Optimization

-83%

Potential reduce by 12.0 kB

  • Original 14.5 kB
  • After minification 12.4 kB
  • After compression 2.5 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 12.0 kB or 83% of the original size.

CSS Optimization

-85%

Potential reduce by 21.3 kB

  • Original 25.1 kB
  • After minification 18.5 kB
  • After compression 3.8 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. Dhd-audio.de needs all CSS files to be minified and compressed as it can save up to 21.3 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (31%)

Requests Now

26

After Optimization

18

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DHD Audio. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

dhd-audio.de accessibility score

72

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

dhd-audio.de best practices score

83

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

Browser errors were logged to the console

SEO Factors

dhd-audio.de SEO score

79

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

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

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    DE

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dhd-audio.de can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed German language. Our system also found out that Dhd-audio.de main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of DHD Audio. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: