Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 59% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

vzhh.de

Verbraucherzentrale Hamburg

Page Load Speed

5.6 sec in total

First Response

297 ms

Resources Loaded

3.6 sec

Page Rendered

1.6 sec

vzhh.de screenshot

About Website

Click here to check amazing Vzhh content for Germany. Otherwise, check out these important facts you probably never knew about vzhh.de

Wir beraten und unterstützen Verbraucherinnen und Verbraucher bei der Durchsetzung ihrer Interessen in Fragen des privaten Konsums – kompetent und unabhängig.

Visit vzhh.de

Key Findings

We analyzed Vzhh.de page load time and found that the first response time was 297 ms and then it took 5.3 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

vzhh.de performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

9/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value410 ms

67/100

30%

CLS (Cumulative Layout Shift)

Value0.067

97/100

15%

TTI (Time to Interactive)

Value10.8 s

22/100

10%

Network Requests Diagram

vzhh.de

297 ms

vzhh.de

423 ms

www.vzhh.de

916 ms

matomo.js

750 ms

css_HwlCFO1Kgj7eltW84uW9g_A4Df6LYsaTGvo4UzDKBsA.css

247 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 95% of them (84 requests) were addressed to the original Vzhh.de, 2% (2 requests) were made to Piwik.vzhh.de and 2% (2 requests) were made to Auswertung.verbraucherzentrale.de. The less responsive or slowest element that took the longest time to load (916 ms) belongs to the original domain Vzhh.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 669.4 kB (26%)

Content Size

2.6 MB

After Optimization

1.9 MB

In fact, the total size of Vzhh.de main page is 2.6 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 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 233.9 kB

  • Original 302.7 kB
  • After minification 274.1 kB
  • After compression 68.7 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 233.9 kB or 77% of the original size.

Image Optimization

-7%

Potential reduce by 123.4 kB

  • Original 1.7 MB
  • After minification 1.6 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. Vzhh images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 312.0 kB

  • Original 511.8 kB
  • After minification 511.7 kB
  • After compression 199.9 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 312.0 kB or 61% of the original size.

CSS Optimization

-0%

Potential reduce by 139 B

  • Original 62.7 kB
  • After minification 62.7 kB
  • After compression 62.5 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. Vzhh.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (19%)

Requests Now

80

After Optimization

65

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vzhh. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

vzhh.de accessibility score

85

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

vzhh.de best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Browser errors were logged to the console

SEO Factors

vzhh.de SEO score

85

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 Vzhh.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 Vzhh.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 description is not detected on the main page of Vzhh. 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: