Tools & Wizards About Us
der-knob.de screenshot

Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

der-knob.de

Der_Knob - Black Cube Computer Junky

Page Load Speed

1.3 sec in total

First Response

371 ms

Resources Loaded

815 ms

Page Rendered

140 ms

der-knob.de screenshot

About Website

Click here to check amazing Der Knob content. Otherwise, check out these important facts you probably never knew about der-knob.de

Der_Knob - Black Cube Computer Junkey

Visit der-knob.de

Key Findings

We analyzed Der-knob.de page load time and found that the first response time was 371 ms and then it took 955 ms 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

der-knob.de performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value4.3 s

76/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.174

69/100

15%

TTI (Time to Interactive)

Value4.1 s

86/100

10%

Network Requests Diagram

der-knob.de

371 ms

frontend.css

92 ms

main.css

177 ms

a.png

175 ms

info.png

177 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that all of those requests were addressed to Der-knob.de and no external sources were called. The less responsive or slowest element that took the longest time to load (371 ms) belongs to the original domain Der-knob.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 14.6 kB (15%)

Content Size

95.4 kB

After Optimization

80.9 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Der-knob.de main page is 95.4 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. Only 5% of websites need less resources to load. Images take 85.2 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 4.2 kB

  • Original 6.0 kB
  • After minification 5.4 kB
  • After compression 1.8 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 4.2 kB or 70% of the original size.

Image Optimization

-8%

Potential reduce by 6.9 kB

  • Original 85.2 kB
  • After minification 78.3 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. Der Knob images are well optimized though.

CSS Optimization

-81%

Potential reduce by 3.4 kB

  • Original 4.3 kB
  • After minification 3.2 kB
  • After compression 832 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. Der-knob.de needs all CSS files to be minified and compressed as it can save up to 3.4 kB or 81% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

13

After Optimization

13

  • Images
  • CSS

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Der Knob. According to our analytics all requests are already optimized.

Network Requests Diagram

der-knob.de

der-knob.de

371 ms

frontend.css

frontend.css

92 ms

main.css

main.css

177 ms

a.png

a.png

175 ms

info.png

info.png

177 ms

soundwave.png

soundwave.png

177 ms

cooking4life.png

cooking4life.png

178 ms

homepage.png

homepage.png

178 ms

android.png

android.png

257 ms

_current.jpg

_current.jpg

270 ms

top.png

top.png

92 ms

left.png

left.png

92 ms

right.png

right.png

93 ms

bottom.png

bottom.png

93 ms

Accessibility Review

der-knob.de accessibility score

71

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

der-knob.de best practices score

67

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

der-knob.de SEO score

83

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 uses legible font sizes

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Der-knob.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 Der-knob.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

der-knob.de

Open Graph description is not detected on the main page of Der Knob. 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: