Tools & Wizards About Us
schwane.info screenshot

Report Summary

  • 71

    Performance

    Renders faster than
    81% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

schwane.info

Installateur Köln | Schwane Sanitär- und Heizungstechnik GmbH

Page Load Speed

3.9 sec in total

First Response

331 ms

Resources Loaded

3.2 sec

Page Rendered

349 ms

schwane.info screenshot

About Website

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

Als Installateur in Köln bietet Ihnen die Schwane Sanitär- und Heizungstechnik GmbH kompetente Hilfe in allen Bereichen für die Sie einen SHK Installateur benötigen.

Visit schwane.info

Key Findings

We analyzed Schwane.info page load time and found that the first response time was 331 ms and then it took 3.5 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

schwane.info performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

38/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value290 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value5.3 s

73/100

10%

Network Requests Diagram

schwane.info

331 ms

schwane.info

414 ms

www.schwane.info

521 ms

bootstrap.min.css

102 ms

font-awesome.min.css

201 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 83% of them (34 requests) were addressed to the original Schwane.info, 10% (4 requests) were made to Cdn.e-nitio.net and 5% (2 requests) were made to E-nitio.com. The less responsive or slowest element that took the longest time to load (705 ms) belongs to the original domain Schwane.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 62.3 kB (16%)

Content Size

397.3 kB

After Optimization

335.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Schwane.info main page is 397.3 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. 30% of websites need less resources to load. Images take 250.2 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 25.9 kB

  • Original 35.1 kB
  • After minification 32.3 kB
  • After compression 9.2 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 25.9 kB or 74% of the original size.

Image Optimization

-3%

Potential reduce by 8.1 kB

  • Original 250.2 kB
  • After minification 242.1 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. Schwane images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 1.5 kB

  • Original 47.7 kB
  • After minification 47.7 kB
  • After compression 46.2 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

-42%

Potential reduce by 26.7 kB

  • Original 64.3 kB
  • After minification 63.6 kB
  • After compression 37.6 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. Schwane.info needs all CSS files to be minified and compressed as it can save up to 26.7 kB or 42% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (50%)

Requests Now

26

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Schwane. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

schwane.info

schwane.info

331 ms

schwane.info

schwane.info

414 ms

www.schwane.info

www.schwane.info

521 ms

bootstrap.min.css

bootstrap.min.css

102 ms

font-awesome.min.css

font-awesome.min.css

201 ms

color-styles.css

color-styles.css

293 ms

custom.css

custom.css

297 ms

ui-elements.css

ui-elements.css

301 ms

animate.css

animate.css

297 ms

fonts.css

fonts.css

303 ms

jQuery.min.js

jQuery.min.js

410 ms

bootstrap.min_0.js

bootstrap.min_0.js

392 ms

scrolltopcontrol.js

scrolltopcontrol.js

393 ms

jquery.sticky.js

jquery.sticky.js

392 ms

custom.js

custom.js

396 ms

js

js

60 ms

emcgn.cookiebar.css

emcgn.cookiebar.css

403 ms

emcgn.cookiebar.js

emcgn.cookiebar.js

488 ms

logo_schwane.png

logo_schwane.png

489 ms

schwane-installateur-koeln.jpg

schwane-installateur-koeln.jpg

586 ms

zukunft.png

zukunft.png

592 ms

schwane-startseite-vorschaubild-video.jpg

schwane-startseite-vorschaubild-video.jpg

705 ms

badgestaltung.jpg

badgestaltung.jpg

509 ms

energieberatung.jpg

energieberatung.jpg

687 ms

heizung.jpg

heizung.jpg

584 ms

SHK-Expert-Koeln.png

SHK-Expert-Koeln.png

611 ms

wartung-gastherme.jpg

wartung-gastherme.jpg

687 ms

rohrbruch-trocknung.jpg

rohrbruch-trocknung.jpg

688 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

535 ms

roboto-v18-latin-regular.woff

roboto-v18-latin-regular.woff

344 ms

roboto-v18-latin-500.woff

roboto-v18-latin-500.woff

365 ms

roboto-v18-latin-700.woff

roboto-v18-latin-700.woff

436 ms

oswald-v16-latin-regular.woff

oswald-v16-latin-regular.woff

449 ms

oswald-v16-latin-300.woff

oswald-v16-latin-300.woff

449 ms

oswald-v16-latin-700.woff

oswald-v16-latin-700.woff

449 ms

ajax_gmap-accept.php

ajax_gmap-accept.php

351 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

216 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

541 ms

fontawesome-webfont.ttf

fontawesome-webfont.ttf

105 ms

fontawesome-webfont.ttf

fontawesome-webfont.ttf

109 ms

fontawesome-webfont.ttf

fontawesome-webfont.ttf

109 ms

Accessibility Review

schwane.info accessibility score

82

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

schwane.info best practices score

75

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

Browser errors were logged to the console

SEO Factors

schwane.info SEO score

85

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

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 Schwane.info 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 Schwane.info 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

schwane.info

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