Report Summary

  • 89

    Performance

    Renders faster than
    90% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

dommenz.de

Ingenieurbüro Dommenz – Wuppertal – Maschinenbau, Entwicklung, Konstruktion, Bühnenbau

Page Load Speed

1.4 sec in total

First Response

347 ms

Resources Loaded

788 ms

Page Rendered

231 ms

dommenz.de screenshot

About Website

Welcome to dommenz.de homepage info - get ready to check Dommenz best content right away, or after learning these important things about dommenz.de

Ingenieurbüro Dommenz entwickelt kundenspezifische Maschinen- und Bühnenbaulösungen, als zuverlässiger Partner mit langjähriger Erfahrung in Entwicklung und Konstruktion.

Visit dommenz.de

Key Findings

We analyzed Dommenz.de page load time and found that the first response time was 347 ms and then it took 1 sec 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

dommenz.de performance score

89

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

77/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value220 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

Network Requests Diagram

dommenz.de

347 ms

style.css

425 ms

head.jpg

441 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that all of those requests were addressed to Dommenz.de and no external sources were called. The less responsive or slowest element that took the longest time to load (441 ms) belongs to the original domain Dommenz.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.5 kB (19%)

Content Size

23.4 kB

After Optimization

18.9 kB

In fact, the total size of Dommenz.de main page is 23.4 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 18.0 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 3.6 kB

  • Original 5.4 kB
  • After minification 4.2 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. This page needs HTML code to be minified as it can gain 1.2 kB, which is 23% 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 3.6 kB or 67% of the original size.

Image Optimization

-5%

Potential reduce by 873 B

  • Original 18.0 kB
  • After minification 17.1 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. Dommenz images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

2

After Optimization

2

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dommenz. According to our analytics all requests are already optimized.

Accessibility Review

dommenz.de accessibility score

80

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-hidden="true"] elements contain focusable descendents

High

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

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>).

Best Practices

dommenz.de best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

dommenz.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

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 Dommenz.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 Dommenz.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 Dommenz. 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: