Report Summary

  • 67

    Performance

    Renders faster than
    80% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

hv-jansen.de

Hausverwaltung Jansen | Immobilienverwalter für Region Hannover

Page Load Speed

6.9 sec in total

First Response

253 ms

Resources Loaded

3.3 sec

Page Rendered

3.4 sec

hv-jansen.de screenshot

About Website

Click here to check amazing Hv Jansen content. Otherwise, check out these important facts you probably never knew about hv-jansen.de

Bereits seit 1978 ist die Hausverwaltung Jansen als Verwaltungsunternehmen in der Region Hannover tätig. Erfahren Sie mehr über Ihre Immobilienverwalter!

Visit hv-jansen.de

Key Findings

We analyzed Hv-jansen.de page load time and found that the first response time was 253 ms and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

hv-jansen.de performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

74/100

25%

SI (Speed Index)

Value4.0 s

80/100

10%

TBT (Total Blocking Time)

Value450 ms

62/100

30%

CLS (Cumulative Layout Shift)

Value0.453

20/100

15%

TTI (Time to Interactive)

Value3.3 s

93/100

10%

Network Requests Diagram

hv-jansen.de

253 ms

www.hv-jansen.de

626 ms

styles.css

211 ms

usecurez.js

666 ms

_require.js

665 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that all of those requests were addressed to Hv-jansen.de and no external sources were called. The less responsive or slowest element that took the longest time to load (912 ms) belongs to the original domain Hv-jansen.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 46.1 kB (9%)

Content Size

514.6 kB

After Optimization

468.5 kB

In fact, the total size of Hv-jansen.de main page is 514.6 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 433.8 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 21.0 kB

  • Original 28.4 kB
  • After minification 28.3 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 21.0 kB or 74% of the original size.

Image Optimization

-0%

Potential reduce by 1.6 kB

  • Original 433.8 kB
  • After minification 432.2 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. Hv Jansen images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 22.8 kB

  • Original 36.2 kB
  • After minification 33.5 kB
  • After compression 13.4 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 22.8 kB or 63% of the original size.

CSS Optimization

-4%

Potential reduce by 632 B

  • Original 16.1 kB
  • After minification 15.9 kB
  • After compression 15.5 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. Hv-jansen.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 10 (56%)

Requests Now

18

After Optimization

8

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hv Jansen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

hv-jansen.de accessibility score

91

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

<frame> or <iframe> elements do not have a title

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

hv-jansen.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

General

Impact

Issue

High

Page has valid source maps

SEO Factors

hv-jansen.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

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hv-jansen.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 Hv-jansen.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 Hv Jansen. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: