Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

hk-co.de

IANEO - Zentrum für Digital Business und digitale Produktkommunikation

Page Load Speed

6.7 sec in total

First Response

1.1 sec

Resources Loaded

4.9 sec

Page Rendered

733 ms

hk-co.de screenshot

About Website

Welcome to hk-co.de homepage info - get ready to check Hk Co best content right away, or after learning these important things about hk-co.de

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Key Findings

We analyzed Hk-co.de page load time and found that the first response time was 1.1 sec and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

hk-co.de performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value11.9 s

0/100

25%

SI (Speed Index)

Value11.2 s

5/100

10%

TBT (Total Blocking Time)

Value1,460 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.059

98/100

15%

TTI (Time to Interactive)

Value20.1 s

2/100

10%

Network Requests Diagram

www.hahn-kolb.de

1143 ms

bootstrap_hahn_kolb_fs.css

1136 ms

webfont_overwrite.css

311 ms

bootstrap_add.css

458 ms

styles_wl2bootstrap_1col.css

345 ms

Our browser made a total of 125 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Hk-co.de, 2% (3 requests) were made to Analytics.witglobal.net. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Hahn-kolb.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 543.4 kB (13%)

Content Size

4.2 MB

After Optimization

3.7 MB

In fact, the total size of Hk-co.de main page is 4.2 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. 70% of websites need less resources to load. Images take 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 229.4 kB

  • Original 270.2 kB
  • After minification 240.3 kB
  • After compression 40.8 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. This page needs HTML code to be minified as it can gain 29.9 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 229.4 kB or 85% of the original size.

Image Optimization

-4%

Potential reduce by 140.7 kB

  • Original 3.4 MB
  • After minification 3.2 MB

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. Hk Co images are well optimized though.

JavaScript Optimization

-29%

Potential reduce by 102.5 kB

  • Original 357.5 kB
  • After minification 357.5 kB
  • After compression 255.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 102.5 kB or 29% of the original size.

CSS Optimization

-34%

Potential reduce by 70.7 kB

  • Original 207.8 kB
  • After minification 207.4 kB
  • After compression 137.1 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. Hk-co.de needs all CSS files to be minified and compressed as it can save up to 70.7 kB or 34% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (29%)

Requests Now

118

After Optimization

84

The browser has sent 118 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hk Co. 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 20 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

hk-co.de accessibility score

62

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 input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

High

ARIA IDs 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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

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

High

Some elements have a [tabindex] value greater than 0

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

hk-co.de 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

hk-co.de SEO score

84

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

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 Hk-co.de 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 Hk-co.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

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