Tools & Wizards About Us
heizunghannover.de screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

heizunghannover.de

Hartzsch GmbH - Ihr Profi für Badsanierung & Heizungsbau in Hannover

Page Load Speed

1.2 sec in total

First Response

330 ms

Resources Loaded

755 ms

Page Rendered

121 ms

heizunghannover.de screenshot

About Website

Click here to check amazing Heizung Hannover content. Otherwise, check out these important facts you probably never knew about heizunghannover.de

Wir sind der Profi für Badsanierung & Heizungsbau in und um Hannover, Langenhagen, Garbsen & Burgwedel. Jetzt beraten lassen!

Visit heizunghannover.de

Key Findings

We analyzed Heizunghannover.de page load time and found that the first response time was 330 ms and then it took 876 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

heizunghannover.de performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value11.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value27.2 s

0/100

25%

SI (Speed Index)

Value24.8 s

0/100

10%

TBT (Total Blocking Time)

Value1,030 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value22.6 s

1/100

10%

Network Requests Diagram

heizunghannover.de

330 ms

setup.jpg

417 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that 50% of them (1 request) were addressed to the original Heizunghannover.de, 50% (1 request) were made to Webmailer.de. The less responsive or slowest element that took the longest time to load (417 ms) relates to the external source Webmailer.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 366 B (1%)

Content Size

58.8 kB

After Optimization

58.4 kB

  • HTML
  • Images

In fact, the total size of Heizunghannover.de main page is 58.8 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 58.5 kB which makes up the majority of the site volume.

HTML Optimization

-26%

Potential reduce by 75 B

  • Original 284 B
  • After minification 282 B
  • After compression 209 B

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 75 B or 26% of the original size.

Image Optimization

-0%

Potential reduce by 291 B

  • Original 58.5 kB
  • After minification 58.2 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. Heizung Hannover images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

1

After Optimization

1

  • Images

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Heizung Hannover. According to our analytics all requests are already optimized.

Network Requests Diagram

heizunghannover.de

heizunghannover.de

330 ms

setup.jpg

setup.jpg

417 ms

Accessibility Review

heizunghannover.de accessibility score

95

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

Links do not have a discernible name

Best Practices

heizunghannover.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

heizunghannover.de SEO score

100

Search Engine Optimization Advices

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

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Heizunghannover.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 Heizunghannover.de main page’s claimed encoding is . 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

heizunghannover.de

Open Graph description is not detected on the main page of Heizung Hannover. 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: