Tools & Wizards About Us
kwerk.de screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 56

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

kwerk.de

Rohrsysteme aus Kunststoff, Dosierbehälter und Statische Mischer online einkaufen | KWERK Online Shop

Page Load Speed

9.4 sec in total

First Response

826 ms

Resources Loaded

7.5 sec

Page Rendered

983 ms

kwerk.de screenshot

About Website

Visit kwerk.de now to see the best up-to-date KWERK content and also check out these interesting facts you probably never knew about kwerk.de

Im Online-Shop von Kwerk finden Sie günstige Sortimente und Angebote für Rohrsysteme aus Kunststoff, Dosierbehälter und Statische Mischer. Full Service auf hohem Niveua und unsere Kunden stehen im Mit...

Visit kwerk.de

Key Findings

We analyzed Kwerk.de page load time and found that the first response time was 826 ms and then it took 8.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

kwerk.de performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

17/100

25%

SI (Speed Index)

Value12.4 s

3/100

10%

TBT (Total Blocking Time)

Value590 ms

50/100

30%

CLS (Cumulative Layout Shift)

Value0.245

51/100

15%

TTI (Time to Interactive)

Value12.9 s

13/100

10%

Network Requests Diagram

kwerk.de

826 ms

stylesheet.css

288 ms

standard_14-11-11.css

489 ms

widerruf.css

199 ms

klappmenu.css

393 ms

Our browser made a total of 267 requests to load all elements on the main page. We found that 99% of them (263 requests) were addressed to the original Kwerk.de, 1% (2 requests) were made to Kwerk.reportingcenter.de and 1% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Kwerk.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 312.6 kB (30%)

Content Size

1.0 MB

After Optimization

721.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kwerk.de main page is 1.0 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. 55% of websites need less resources to load. Images take 705.7 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 67.1 kB

  • Original 82.1 kB
  • After minification 79.3 kB
  • After compression 14.9 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 67.1 kB or 82% of the original size.

Image Optimization

-11%

Potential reduce by 77.1 kB

  • Original 705.7 kB
  • After minification 628.6 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. Obviously, KWERK needs image optimization as it can save up to 77.1 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 126.0 kB

  • Original 198.5 kB
  • After minification 189.8 kB
  • After compression 72.5 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 126.0 kB or 63% of the original size.

CSS Optimization

-88%

Potential reduce by 42.4 kB

  • Original 48.1 kB
  • After minification 39.1 kB
  • After compression 5.7 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. Kwerk.de needs all CSS files to be minified and compressed as it can save up to 42.4 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (9%)

Requests Now

266

After Optimization

242

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 266 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KWERK. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kwerk.de

kwerk.de

826 ms

stylesheet.css

stylesheet.css

288 ms

standard_14-11-11.css

standard_14-11-11.css

489 ms

widerruf.css

widerruf.css

199 ms

klappmenu.css

klappmenu.css

393 ms

tabellen.css

tabellen.css

201 ms

jquery-1.8.2.min.js

jquery-1.8.2.min.js

681 ms

plugins.js

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663 ms

save.js

save.js

342 ms

ga.js

ga.js

152 ms

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156 ms

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145 ms

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706 ms

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727 ms

blanc_weiss.php

blanc_weiss.php

644 ms

blanc_tools.php

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637 ms

mwst_auswahl.php

mwst_auswahl.php

658 ms

kontaktformular.php

kontaktformular.php

664 ms

anfrage.php

anfrage.php

659 ms

index.php

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704 ms

anfrage.php

anfrage.php

870 ms

projektanfrage.php

projektanfrage.php

725 ms

WhatsApp.php

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759 ms

blanc.php

blanc.php

739 ms

animation.css

animation.css

782 ms

jquery.carouFredSel-6.2.1-packed.js

jquery.carouFredSel-6.2.1-packed.js

1187 ms

jquery.mousewheel.min.js

jquery.mousewheel.min.js

754 ms

jquery.touchSwipe.min.js

jquery.touchSwipe.min.js

839 ms

jquery.transit.min.js

jquery.transit.min.js

836 ms

jquery.ba-throttle-debounce.min.js

jquery.ba-throttle-debounce.min.js

765 ms

OpenSans-Regular-webfont.woff

OpenSans-Regular-webfont.woff

955 ms

OpenSans-Semibold-webfont.woff

OpenSans-Semibold-webfont.woff

1025 ms

hintergrund_weiss.gif

hintergrund_weiss.gif

788 ms

blanc20.gif

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826 ms

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849 ms

asv.jpg

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919 ms

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879 ms

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855 ms

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950 ms

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931 ms

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936 ms

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888 ms

sed.jpg

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881 ms

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icon_close.png

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mwst.php

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840 ms

asv.jpg

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863 ms

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854 ms

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870 ms

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971 ms

OpenSans-Light-webfont.woff

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1075 ms

bamo-ier.jpg

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834 ms

arpol_logo.jpg

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766 ms

geoplast.jpg

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740 ms

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hayward_2014-09-19-13-59-52.jpg

766 ms

safi.jpg

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784 ms

hoka.jpg

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779 ms

tangit.jpg

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775 ms

sed.jpg

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784 ms

dreieck_klappmenu.png

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741 ms

tools.png

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713 ms

klappmenu_hintergrund.png

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717 ms

schatten_boxen.png

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694 ms

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1118 ms

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674 ms

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652 ms

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636 ms

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645 ms

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1153 ms

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914 ms

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1019 ms

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965 ms

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874 ms

Accessibility Review

kwerk.de accessibility score

56

Accessibility Issues

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Best Practices

kwerk.de best practices score

50

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

kwerk.de SEO score

69

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

    DE

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kwerk.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 Kwerk.de main page’s claimed encoding is iso-8859-1. 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

kwerk.de

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