Tools & Wizards About Us
lingg-janke.de screenshot

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

lingg-janke.de

Lingg und Janke: Wohn- und Gebäude-Elektronik: einfach. smart.

Page Load Speed

5.2 sec in total

First Response

345 ms

Resources Loaded

4.5 sec

Page Rendered

295 ms

lingg-janke.de screenshot

About Website

Visit lingg-janke.de now to see the best up-to-date Lingg Janke content for Germany and also check out these interesting facts you probably never knew about lingg-janke.de

Lingg und Janke Wohn- und Gebäude-Elektronik.einfach.smart. Smarte Gaszähler und Wasserzähler, Elektrozähler und Wärmemengenzähler sowie andere innovative Produkte.

Visit lingg-janke.de

Key Findings

We analyzed Lingg-janke.de page load time and found that the first response time was 345 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

lingg-janke.de performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

6/100

25%

SI (Speed Index)

Value7.4 s

28/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.359

30/100

15%

TTI (Time to Interactive)

Value11.7 s

17/100

10%

Network Requests Diagram

lingg-janke.de

345 ms

lingg-janke.de

741 ms

style.min.css

109 ms

styles.css

214 ms

style.css

319 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 98% of them (40 requests) were addressed to the original Lingg-janke.de, 2% (1 request) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Lingg-janke.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 521.3 kB (23%)

Content Size

2.3 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lingg-janke.de main page is 2.3 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 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 38.8 kB

  • Original 48.1 kB
  • After minification 39.7 kB
  • After compression 9.3 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 8.4 kB, which is 18% 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 38.8 kB or 81% of the original size.

Image Optimization

-23%

Potential reduce by 478.3 kB

  • Original 2.1 MB
  • After minification 1.6 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. Obviously, Lingg Janke needs image optimization as it can save up to 478.3 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-3%

Potential reduce by 2.1 kB

  • Original 71.0 kB
  • After minification 71.0 kB
  • After compression 69.0 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 2.2 kB

  • Original 38.2 kB
  • After minification 38.2 kB
  • After compression 36.0 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. Lingg-janke.de has all CSS files already compressed.

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 Lingg Janke. 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 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

lingg-janke.de

lingg-janke.de

345 ms

lingg-janke.de

lingg-janke.de

741 ms

style.min.css

style.min.css

109 ms

styles.css

styles.css

214 ms

style.css

style.css

319 ms

jquery.fancybox.css

jquery.fancybox.css

322 ms

coverpop.css

coverpop.css

322 ms

all.css

all.css

27 ms

jquery.min.js

jquery.min.js

431 ms

jquery.fancybox.js

jquery.fancybox.js

483 ms

jquery.mobilemenu.js

jquery.mobilemenu.js

332 ms

CoverPop.js

CoverPop.js

423 ms

cookiehandler-optout.js

cookiehandler-optout.js

423 ms

cookiehandler2.js

cookiehandler2.js

423 ms

body-bg.jpg

body-bg.jpg

845 ms

external-link_sm2.png

external-link_sm2.png

113 ms

lingg-und-janke-logo.svg

lingg-und-janke-logo.svg

108 ms

Lingg&Janke_KNX-Secure_Slider_2023.png

Lingg&Janke_KNX-Secure_Slider_2023.png

740 ms

knx-secure-produkte.png

knx-secure-produkte.png

112 ms

knx-smart-metering-produkte.png

knx-smart-metering-produkte.png

212 ms

knx-quick-produkte.png

knx-quick-produkte.png

215 ms

basisschalter-neu.png

basisschalter-neu.png

333 ms

knx-logo.svg

knx-logo.svg

222 ms

knx-sensoren.png

knx-sensoren.png

317 ms

knx-systemgeraete.png

knx-systemgeraete.png

321 ms

knx-standard-produkte.png

knx-standard-produkte.png

331 ms

visualisierung.png

visualisierung.png

422 ms

zubehoer.png

zubehoer.png

428 ms

Bluemetering-button_start.png

Bluemetering-button_start.png

442 ms

produkt11.png

produkt11.png

442 ms

de.png

de.png

528 ms

en.png

en.png

535 ms

suche.png

suche.png

551 ms

service-button.png

service-button.png

662 ms

designschalter-button.png

designschalter-button.png

737 ms

captcha.php

captcha.php

644 ms

footer-bg.jpg

footer-bg.jpg

771 ms

OpenSans-Light.ttf

OpenSans-Light.ttf

929 ms

OpenSans-Regular.ttf

OpenSans-Regular.ttf

959 ms

OpenSans-SemiBold.ttf

OpenSans-SemiBold.ttf

1017 ms

OpenSans-Bold.ttf

OpenSans-Bold.ttf

811 ms

Accessibility Review

lingg-janke.de accessibility score

62

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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

lingg-janke.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

Page has valid source maps

SEO Factors

lingg-janke.de SEO score

92

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

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 Lingg-janke.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 Lingg-janke.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

lingg-janke.de

Open Graph data is detected on the main page of Lingg Janke. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: