Tools & Wizards About Us
kastner.or.at screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

kastner.or.at

Serviced Apartments Vienna - KASTNER - Apartments in Wien Floridsdorf

Page Load Speed

7.5 sec in total

First Response

744 ms

Resources Loaded

1.9 sec

Page Rendered

4.8 sec

kastner.or.at screenshot

About Website

Welcome to kastner.or.at homepage info - get ready to check KASTNER best content right away, or after learning these important things about kastner.or.at

Serviced Apartments in Vienna. Vacation rental accommodation and short term serviced apartment rentals in Wien.

Visit kastner.or.at

Key Findings

We analyzed Kastner.or.at page load time and found that the first response time was 744 ms and then it took 6.8 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

kastner.or.at performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value1.3 s

100/100

25%

SI (Speed Index)

Value2.0 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.048

99/100

15%

TTI (Time to Interactive)

Value1.3 s

100/100

10%

Network Requests Diagram

kastner.or.at

744 ms

n2.g

78 ms

floral-sw.gif

113 ms

wappen-kastner-h100.gif

425 ms

flagge-de-ani.gif

422 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 97% of them (33 requests) were addressed to the original Kastner.or.at, 3% (1 request) were made to Nht-2.extreme-dm.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Kastner.or.at.

Page Optimization Overview & Recommendations

Page size can be reduced by 100.2 kB (7%)

Content Size

1.5 MB

After Optimization

1.4 MB

  • HTML
  • Images

In fact, the total size of Kastner.or.at main page is 1.5 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. 40% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 65.8 kB

  • Original 73.3 kB
  • After minification 59.7 kB
  • After compression 7.5 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 13.6 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 65.8 kB or 90% of the original size.

Image Optimization

-2%

Potential reduce by 34.4 kB

  • Original 1.5 MB
  • After minification 1.4 MB

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. KASTNER images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 5 (15%)

Requests Now

33

After Optimization

28

  • Images

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KASTNER. 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.

Network Requests Diagram

kastner.or.at

kastner.or.at

744 ms

n2.g

n2.g

78 ms

floral-sw.gif

floral-sw.gif

113 ms

wappen-kastner-h100.gif

wappen-kastner-h100.gif

425 ms

flagge-de-ani.gif

flagge-de-ani.gif

422 ms

flagge-uk-ani.gif

flagge-uk-ani.gif

428 ms

wifi-logo-90-mit-schrift-d.jpg

wifi-logo-90-mit-schrift-d.jpg

427 ms

parking-logo-90-mit-schrift-d.jpg

parking-logo-90-mit-schrift-d.jpg

423 ms

wifi-logo-90-mit-schrift-e.jpg

wifi-logo-90-mit-schrift-e.jpg

426 ms

parking-logo-90-mit-schrift-e.jpg

parking-logo-90-mit-schrift-e.jpg

426 ms

floridsdorf-unterkunft.gif

floridsdorf-unterkunft.gif

451 ms

no-smoking-60h.gif

no-smoking-60h.gif

443 ms

waschmaschine-gratis.jpg

waschmaschine-gratis.jpg

445 ms

washmachine-free.jpg

washmachine-free.jpg

444 ms

150h-apt-kastner-5-allg-collage.jpg

150h-apt-kastner-5-allg-collage.jpg

766 ms

hand-cursor.gif

hand-cursor.gif

445 ms

9-collage-160h.jpg

9-collage-160h.jpg

876 ms

10-collage-160h.jpg

10-collage-160h.jpg

760 ms

150h-apt-kastner-6-allg-collage.jpg

150h-apt-kastner-6-allg-collage.jpg

649 ms

150h-apt-kastner-8-allg-collage.jpg

150h-apt-kastner-8-allg-collage.jpg

761 ms

Apartment-Vienna-Wien-wienmap.gif

Apartment-Vienna-Wien-wienmap.gif

541 ms

150h-apt-kastner-house-collage.jpg

150h-apt-kastner-house-collage.jpg

761 ms

collage-aussen.jpg

collage-aussen.jpg

980 ms

miniapt-kastner-jedleseer-str-d.jpg

miniapt-kastner-jedleseer-str-d.jpg

977 ms

miniapt-kastner-house-opposite-4.jpg

miniapt-kastner-house-opposite-4.jpg

870 ms

miniapt-kastner-jedleseer-str-b.jpg

miniapt-kastner-jedleseer-str-b.jpg

986 ms

viennamap-appartements-kastner-wien.jpg

viennamap-appartements-kastner-wien.jpg

1204 ms

apt-kastner-umgebung-symbol.jpg

apt-kastner-umgebung-symbol.jpg

986 ms

person.gif

person.gif

986 ms

serviced-apartment-request.gif

serviced-apartment-request.gif

1086 ms

wifi-logo-30-mit-schrift.jpg

wifi-logo-30-mit-schrift.jpg

1089 ms

no-smoking-30h.gif

no-smoking-30h.gif

1096 ms

parking-logo-30-mit-schrift.jpg

parking-logo-30-mit-schrift.jpg

1097 ms

apartments-kastner-wappen.jpg

apartments-kastner-wappen.jpg

1211 ms

Accessibility Review

kastner.or.at accessibility score

51

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

kastner.or.at best practices score

58

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

High

Serves images with low resolution

SEO Factors

kastner.or.at SEO score

67

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kastner.or.at can be misinterpreted by Google and other search engines. Our service has detected that English 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 Kastner.or.at 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

kastner.or.at

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