Tools & Wizards About Us
elsner-elektronik.de screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

elsner-elektronik.de

Spezialist für Gebäudeautomatisierungstechnik | Elsner Elektronik

Page Load Speed

4 sec in total

First Response

320 ms

Resources Loaded

3.5 sec

Page Rendered

125 ms

elsner-elektronik.de screenshot

About Website

Welcome to elsner-elektronik.de homepage info - get ready to check Elsner Elektronik best content for Germany right away, or after learning these important things about elsner-elektronik.de

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Visit elsner-elektronik.de

Key Findings

We analyzed Elsner-elektronik.de page load time and found that the first response time was 320 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster. This domain responded with an error, which can significantly jeopardize Elsner-elektronik.de rating and web reputation

Performance Metrics

elsner-elektronik.de performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value7.9 s

22/100

10%

TBT (Total Blocking Time)

Value1,160 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.137

79/100

15%

TTI (Time to Interactive)

Value13.2 s

12/100

10%

Network Requests Diagram

elsner-elektronik.de

320 ms

475 ms

stylesheet_c1a83617ae.css

217 ms

javascript_bd4d1f63e4.js

214 ms

main.css

1027 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 75% of them (33 requests) were addressed to the original Elsner-elektronik.de, 7% (3 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Elsner-elektronik.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 544.1 kB (31%)

Content Size

1.7 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Elsner-elektronik.de main page is 1.7 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 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 19.5 kB

  • Original 24.0 kB
  • After minification 19.2 kB
  • After compression 4.5 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 4.8 kB, which is 20% 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 19.5 kB or 81% of the original size.

Image Optimization

-7%

Potential reduce by 88.6 kB

  • Original 1.2 MB
  • After minification 1.1 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. Elsner Elektronik images are well optimized though.

JavaScript Optimization

-45%

Potential reduce by 24.4 kB

  • Original 53.9 kB
  • After minification 52.1 kB
  • After compression 29.6 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 24.4 kB or 45% of the original size.

CSS Optimization

-86%

Potential reduce by 411.7 kB

  • Original 476.3 kB
  • After minification 380.7 kB
  • After compression 64.7 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. Elsner-elektronik.de needs all CSS files to be minified and compressed as it can save up to 411.7 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (29%)

Requests Now

35

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Elsner Elektronik. 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 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

elsner-elektronik.de

elsner-elektronik.de

320 ms

475 ms

stylesheet_c1a83617ae.css

stylesheet_c1a83617ae.css

217 ms

javascript_bd4d1f63e4.js

javascript_bd4d1f63e4.js

214 ms

main.css

main.css

1027 ms

css

css

28 ms

jquery.min.js

jquery.min.js

8 ms

jquery-ui.min.js

jquery-ui.min.js

12 ms

vhs-assets-bxslider.js

vhs-assets-bxslider.js

332 ms

vhs-assets-collection.js

vhs-assets-collection.js

222 ms

vhs-assets-lightbox.js

vhs-assets-lightbox.js

313 ms

css

css

25 ms

close.png

close.png

220 ms

loading.gif

loading.gif

220 ms

prev.png

prev.png

221 ms

next.png

next.png

223 ms

gtm.js

gtm.js

67 ms

menu_background.png

menu_background.png

699 ms

elsner-logo.png

elsner-logo.png

370 ms

popupmenu_background.png

popupmenu_background.png

594 ms

background.png

background.png

929 ms

cart-bg.png

cart-bg.png

497 ms

corlo_background.png

corlo_background.png

1232 ms

lightbuilding_240x95_03.png

lightbuilding_240x95_03.png

752 ms

ISE16_240x95_03.jpg

ISE16_240x95_03.jpg

819 ms

csm_Headerbilder_Elsner_Dez15a_1220x497_EN_eb22322208.jpg

csm_Headerbilder_Elsner_Dez15a_1220x497_EN_eb22322208.jpg

1347 ms

csm_Headerbild_start_CorloMobileApp_1220x497_EN_cfe629bdce.jpg

csm_Headerbild_start_CorloMobileApp_1220x497_EN_cfe629bdce.jpg

1343 ms

csm_Headerbild_start_youtube_1220x497_EN_4d8ed8e58c.jpg

csm_Headerbild_start_youtube_1220x497_EN_4d8ed8e58c.jpg

1303 ms

YouTube_button.jpg

YouTube_button.jpg

1035 ms

pfeil_links.png

pfeil_links.png

1144 ms

Corlo.png

Corlo.png

1360 ms

csm_KNX-logo_405090f925.png

csm_KNX-logo_405090f925.png

1357 ms

WS1000Style.png

WS1000Style.png

1553 ms

WL400.png

WL400.png

1518 ms

csm_Remo_f9cf66080d.png

csm_Remo_f9cf66080d.png

1557 ms

csm_30137_1f9b54b9ec.png

csm_30137_1f9b54b9ec.png

1565 ms

pfeil_rechts.png

pfeil_rechts.png

1575 ms

social_background.png

social_background.png

1685 ms

2UX7WLTfW3W8TclTUvlFyQ.woff

2UX7WLTfW3W8TclTUvlFyQ.woff

11 ms

b9QBgL0iMZfDSpmcXcE8nCSLrGe-fkSRw2DeVgOoWcQ.woff

b9QBgL0iMZfDSpmcXcE8nCSLrGe-fkSRw2DeVgOoWcQ.woff

14 ms

Zd2E9abXLFGSr9G3YK2MsFzqCfRpIA3W6ypxnPISCPA.woff

Zd2E9abXLFGSr9G3YK2MsFzqCfRpIA3W6ypxnPISCPA.woff

22 ms

analytics.js

analytics.js

13 ms

collect

collect

3 ms

collect

collect

54 ms

Accessibility Review

elsner-elektronik.de accessibility score

92

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

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

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

elsner-elektronik.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

elsner-elektronik.de SEO score

97

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Elsner-elektronik.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Elsner-elektronik.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

elsner-elektronik.de

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