Report Summary

  • 85

    Performance

    Renders faster than
    89% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

zahnlabor.de

Zahnarzt und Zahnersatz, alles rund um Zahn und Zahngesundheit - Zahnlabor . de

Page Load Speed

2.9 sec in total

First Response

151 ms

Resources Loaded

2.4 sec

Page Rendered

323 ms

zahnlabor.de screenshot

About Website

Welcome to zahnlabor.de homepage info - get ready to check Zahnlabor best content for Germany right away, or after learning these important things about zahnlabor.de

Zahnarzt und alles rund um Zahn und Zahnersatz - Zahnlabor.de - umfassendes Verzeichnis für Zahnärzte, Dentallabors, Zahntechniker, Zahnkliniken, ... mit vielen weiteren Funktionen wie Lexikon, Forum,...

Visit zahnlabor.de

Key Findings

We analyzed Zahnlabor.de page load time and found that the first response time was 151 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

zahnlabor.de performance score

85

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

60/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.077

95/100

15%

TTI (Time to Interactive)

Value2.6 s

98/100

10%

Network Requests Diagram

zahnlabor.de

151 ms

zahnlabor.de

248 ms

www.zahnlabor.de

139 ms

www.zahnlabor.de

281 ms

style.css

243 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 98% of them (42 requests) were addressed to the original Zahnlabor.de, 2% (1 request) were made to Ads.lutz-development.de. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Zahnlabor.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 23.5 kB (9%)

Content Size

266.3 kB

After Optimization

242.7 kB

In fact, the total size of Zahnlabor.de main page is 266.3 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 237.5 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 20.5 kB

  • Original 27.9 kB
  • After minification 27.9 kB
  • After compression 7.4 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 20.5 kB or 74% of the original size.

Image Optimization

-1%

Potential reduce by 2.8 kB

  • Original 237.5 kB
  • After minification 234.7 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. Zahnlabor images are well optimized though.

CSS Optimization

-26%

Potential reduce by 239 B

  • Original 922 B
  • After minification 922 B
  • After compression 683 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. Zahnlabor.de needs all CSS files to be minified and compressed as it can save up to 239 B or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (18%)

Requests Now

39

After Optimization

32

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zahnlabor. 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

zahnlabor.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.

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

Form elements do not have associated labels

Best Practices

zahnlabor.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

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

zahnlabor.de SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-15

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zahnlabor.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 Zahnlabor.de main page’s claimed encoding is iso-8859-15. 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 Zahnlabor. 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: