Tools & Wizards About Us
wiso-vermieter.de screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

wiso-vermieter.de

WISO Vermieter 2024: Mietkosten und Nebenkosten abrechnen

Page Load Speed

3.8 sec in total

First Response

439 ms

Resources Loaded

3 sec

Page Rendered

381 ms

wiso-vermieter.de screenshot

About Website

Click here to check amazing WISO Vermieter content. Otherwise, check out these important facts you probably never knew about wiso-vermieter.de

Rechtssichere Mietneben- und Heizkostenabrechnung für Ihre privat vermieteten Wohnungen: Jetzt schnell, einfach und korrekt mit WISO Vermieter 2024 die Nebenkosten abrechnen.

Visit wiso-vermieter.de

Key Findings

We analyzed Wiso-vermieter.de page load time and found that the first response time was 439 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

wiso-vermieter.de performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value9.9 s

10/100

10%

TBT (Total Blocking Time)

Value4,030 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.208

60/100

15%

TTI (Time to Interactive)

Value19.5 s

2/100

10%

Network Requests Diagram

wiso-vermieter

439 ms

wiso-vermieter

233 ms

buhl.min.css

409 ms

mmenu-light.css

355 ms

bundle.js

32 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Wiso-vermieter.de, 2% (1 request) were made to App.usercentrics.eu and 2% (1 request) were made to Privacy-proxy.usercentrics.eu. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Buhl.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 284.8 kB (20%)

Content Size

1.4 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Wiso-vermieter.de main page is 1.4 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. 35% of websites need less resources to load. Images take 943.0 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 70.2 kB

  • Original 84.9 kB
  • After minification 69.1 kB
  • After compression 14.7 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. This page needs HTML code to be minified as it can gain 15.8 kB, which is 19% 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 70.2 kB or 83% of the original size.

Image Optimization

-22%

Potential reduce by 205.9 kB

  • Original 943.0 kB
  • After minification 737.1 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. Obviously, WISO Vermieter needs image optimization as it can save up to 205.9 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 997 B

  • Original 268.9 kB
  • After minification 268.9 kB
  • After compression 267.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-6%

Potential reduce by 7.7 kB

  • Original 138.4 kB
  • After minification 138.4 kB
  • After compression 130.7 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. Wiso-vermieter.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 26 (58%)

Requests Now

45

After Optimization

19

  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of WISO Vermieter. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

wiso-vermieter

wiso-vermieter

439 ms

wiso-vermieter

wiso-vermieter

233 ms

buhl.min.css

buhl.min.css

409 ms

mmenu-light.css

mmenu-light.css

355 ms

bundle.js

bundle.js

32 ms

uc-block.bundle.js

uc-block.bundle.js

26 ms

buhldejquery

buhldejquery

719 ms

buhldelibs

buhldelibs

493 ms

buhlde

buhlde

391 ms

buhl.productmp.min.css

buhl.productmp.min.css

113 ms

header.css

header.css

149 ms

container_2ZZFS10U.js

container_2ZZFS10U.js

568 ms

arrow-right-blue-level-one.png

arrow-right-blue-level-one.png

110 ms

arrow-up-orange-level-one.png

arrow-up-orange-level-one.png

138 ms

arrow-right-white-level-two.png

arrow-right-white-level-two.png

110 ms

arrow-up-orange-level-two.png

arrow-up-orange-level-two.png

110 ms

ico-alle-produkte.svg

ico-alle-produkte.svg

218 ms

ico-produktfinder.svg

ico-produktfinder.svg

216 ms

ico-kundencenter.svg

ico-kundencenter.svg

217 ms

ico-suche.svg

ico-suche.svg

244 ms

shop_icon.svg

shop_icon.svg

252 ms

ico-anmelden.svg

ico-anmelden.svg

327 ms

ic_suche_24_keycolor.svg

ic_suche_24_keycolor.svg

322 ms

close-search.svg

close-search.svg

328 ms

buhl_logo.svg

buhl_logo.svg

325 ms

account_circle-24px.svg

account_circle-24px.svg

378 ms

ic_abmelden_24.svg

ic_abmelden_24.svg

359 ms

basket-icon-blue.svg

basket-icon-blue.svg

429 ms

buhl_icon.svg

buhl_icon.svg

435 ms

acaf02dc-369a-11ee-8117-005056b40283-webImage.png

acaf02dc-369a-11ee-8117-005056b40283-webImage.png

606 ms

Grafik_Bilder_Videos@2x.png

Grafik_Bilder_Videos@2x.png

582 ms

a3c89bd4-8e05-11eb-80f6-005056b40283-webImage.png

a3c89bd4-8e05-11eb-80f6-005056b40283-webImage.png

870 ms

af7b55da-8e05-11eb-80f6-005056b40283-webImage.png

af7b55da-8e05-11eb-80f6-005056b40283-webImage.png

891 ms

b8d87d80-8e05-11eb-80f6-005056b40283-webImage.png

b8d87d80-8e05-11eb-80f6-005056b40283-webImage.png

1035 ms

c4f999c8-8e05-11eb-80f6-005056b40283-webImage.png

c4f999c8-8e05-11eb-80f6-005056b40283-webImage.png

827 ms

ccbf7972-8e05-11eb-80f6-005056b40283-webImage.png

ccbf7972-8e05-11eb-80f6-005056b40283-webImage.png

971 ms

daumenhochicon.png

daumenhochicon.png

745 ms

cef0034f-369a-11ee-8117-005056b40283-webImage.png

cef0034f-369a-11ee-8117-005056b40283-webImage.png

919 ms

buhl_white.svg

buhl_white.svg

935 ms

ic_suche_24.svg

ic_suche_24.svg

989 ms

SourceSansPro-Regular.woff

SourceSansPro-Regular.woff

1244 ms

SourceSansPro-Bold.woff

SourceSansPro-Bold.woff

1271 ms

dropdown.png

dropdown.png

1014 ms

button_icon_info_grau.png

button_icon_info_grau.png

1093 ms

button_icon_info_orange.png

button_icon_info_orange.png

1122 ms

button_icon_info_wei%C3%9F.png

button_icon_info_wei%C3%9F.png

1159 ms

prating_star_2_1.svg

prating_star_2_1.svg

1158 ms

Cairo-Regular.woff

Cairo-Regular.woff

1158 ms

Cairo-Bold.woff

Cairo-Bold.woff

1176 ms

prating_star_2_0.svg

prating_star_2_0.svg

1225 ms

buhl_warenkorb@3x.png

buhl_warenkorb@3x.png

1205 ms

Accessibility Review

wiso-vermieter.de accessibility score

70

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-*] attributes do not match their roles

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

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

wiso-vermieter.de best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

wiso-vermieter.de SEO score

76

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Wiso-vermieter.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 Wiso-vermieter.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

wiso-vermieter.de

Open Graph description is not detected on the main page of WISO Vermieter. 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: