Report Summary

  • 75

    Performance

    Renders faster than
    83% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

installateur-tsn.at

TSN Installateur GmbH in 1180 Wien

Page Load Speed

3.5 sec in total

First Response

570 ms

Resources Loaded

2.4 sec

Page Rendered

551 ms

installateur-tsn.at screenshot

About Website

Visit installateur-tsn.at now to see the best up-to-date Installateur TSN content and also check out these interesting facts you probably never knew about installateur-tsn.at

Ihr Installateur-Meisterbetrieb in Wien | Geprüftes Innungsmitglied | seit 1997 | Thermenwartung | Abgasmessung | Vaillant | Junkers | Baxi | Saunier Duval |

Visit installateur-tsn.at

Key Findings

We analyzed Installateur-tsn.at page load time and found that the first response time was 570 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

installateur-tsn.at performance score

75

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

93/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

84/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value490 ms

59/100

30%

CLS (Cumulative Layout Shift)

Value0.184

66/100

15%

TTI (Time to Interactive)

Value4.5 s

83/100

10%

Network Requests Diagram

www.installateur-tsn.at

570 ms

grids.css

29 ms

hcaptcha.css

34 ms

user-style.css

379 ms

sitestyle.css

289 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 22% of them (9 requests) were addressed to the original Installateur-tsn.at, 27% (11 requests) were made to Site-assets.cdnmns.com and 24% (10 requests) were made to Font-files.prod.extra-cdn.com. The less responsive or slowest element that took the longest time to load (874 ms) belongs to the original domain Installateur-tsn.at.

Page Optimization Overview & Recommendations

Page size can be reduced by 106.8 kB (12%)

Content Size

857.9 kB

After Optimization

751.1 kB

In fact, the total size of Installateur-tsn.at main page is 857.9 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. 70% of websites need less resources to load. Images take 649.8 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 37.6 kB

  • Original 51.7 kB
  • After minification 51.6 kB
  • After compression 14.1 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 37.6 kB or 73% of the original size.

Image Optimization

-3%

Potential reduce by 19.0 kB

  • Original 649.8 kB
  • After minification 630.8 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. Installateur TSN images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 271 B

  • Original 29.5 kB
  • After minification 29.5 kB
  • After compression 29.3 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

-39%

Potential reduce by 50.0 kB

  • Original 126.9 kB
  • After minification 118.6 kB
  • After compression 76.9 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. Installateur-tsn.at needs all CSS files to be minified and compressed as it can save up to 50.0 kB or 39% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (52%)

Requests Now

25

After Optimization

12

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Installateur TSN. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

installateur-tsn.at accessibility score

81

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

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

installateur-tsn.at 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

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

installateur-tsn.at SEO score

93

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

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 Installateur-tsn.at 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 Installateur-tsn.at 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 Installateur TSN. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: