Tools & Wizards About Us
windaus.de screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 68

    SEO

    Google-friendlier than
    28% of websites

windaus.de

Windaus Labortechnik: WINLAB Laborgeräte und Laborbedarf

Page Load Speed

4.4 sec in total

First Response

312 ms

Resources Loaded

3.5 sec

Page Rendered

575 ms

windaus.de screenshot

About Website

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

Visit windaus.de

Key Findings

We analyzed Windaus.de page load time and found that the first response time was 312 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

windaus.de performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value370 ms

71/100

30%

CLS (Cumulative Layout Shift)

Value0.05

99/100

15%

TTI (Time to Interactive)

Value14.0 s

10/100

10%

Network Requests Diagram

windaus.de

312 ms

www.windaus.de

485 ms

www.windaus.de

842 ms

jquery-ui-1.10.3.css

101 ms

bootstrap.min.css

203 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that all of those requests were addressed to Windaus.de and no external sources were called. The less responsive or slowest element that took the longest time to load (898 ms) belongs to the original domain Windaus.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 202.5 kB (5%)

Content Size

4.2 MB

After Optimization

4.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Windaus.de main page is 4.2 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. 45% of websites need less resources to load. Images take 3.7 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 86.8 kB

  • Original 100.2 kB
  • After minification 96.2 kB
  • After compression 13.4 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 86.8 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 17.9 kB

  • Original 3.7 MB
  • After minification 3.6 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. Windaus images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 71.4 kB

  • Original 302.5 kB
  • After minification 301.0 kB
  • After compression 231.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 71.4 kB or 24% of the original size.

CSS Optimization

-28%

Potential reduce by 26.4 kB

  • Original 92.5 kB
  • After minification 92.5 kB
  • After compression 66.1 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. Windaus.de needs all CSS files to be minified and compressed as it can save up to 26.4 kB or 28% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (67%)

Requests Now

61

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Windaus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

windaus.de

windaus.de

312 ms

www.windaus.de

www.windaus.de

485 ms

www.windaus.de

www.windaus.de

842 ms

jquery-ui-1.10.3.css

jquery-ui-1.10.3.css

101 ms

bootstrap.min.css

bootstrap.min.css

203 ms

magnific-popup.css

magnific-popup.css

297 ms

owl.carousel.css

owl.carousel.css

295 ms

style.css

style.css

398 ms

responsive.css

responsive.css

299 ms

multi-dropdown.css

multi-dropdown.css

299 ms

bootstrap-select.min.css

bootstrap-select.min.css

302 ms

font-awesome.min.css

font-awesome.min.css

490 ms

filter-beta.css

filter-beta.css

393 ms

cookie-consent.css

cookie-consent.css

400 ms

windaus_bootstrap.css

windaus_bootstrap.css

498 ms

cg1h1828700226k122g1a81.jscript

cg1h1828700226k122g1a81.jscript

430 ms

jquery-1.10.2.min.js

jquery-1.10.2.min.js

593 ms

angular-1.2.26.min.js

angular-1.2.26.min.js

596 ms

app.js

app.js

505 ms

catalogGroupTree.js

catalogGroupTree.js

529 ms

priceMatrix.js

priceMatrix.js

586 ms

angular.cookies.js

angular.cookies.js

594 ms

angular.sanitize.js

angular.sanitize.js

599 ms

hoverIntent.js

hoverIntent.js

627 ms

superfish.js

superfish.js

684 ms

jquery.plugin.js

jquery.plugin.js

690 ms

jquery.countdown.js

jquery.countdown.js

694 ms

jquery.dd.js

jquery.dd.js

693 ms

bootstrap.min.js

bootstrap.min.js

700 ms

jquery-ui-1.10.3.min.js

jquery-ui-1.10.3.min.js

830 ms

jquery.cycle2.min.js

jquery.cycle2.min.js

781 ms

jquery.cycle2.center.min.js

jquery.cycle2.center.min.js

787 ms

login.js

login.js

791 ms

browserCheck.js

browserCheck.js

791 ms

catalogus.js

catalogus.js

898 ms

bootstrap-hover-dropdown.min.js

bootstrap-hover-dropdown.min.js

878 ms

custom.js

custom.js

884 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

888 ms

jquery-migrate-1.2.1.min.js

jquery-migrate-1.2.1.min.js

886 ms

owl.carousel.min.js

owl.carousel.min.js

836 ms

bootstrap-select.min.js

bootstrap-select.min.js

774 ms

toastr.js

toastr.js

696 ms

mydata_bootstrap.js

mydata_bootstrap.js

700 ms

cookie-consent.js

cookie-consent.js

697 ms

windaus.js

windaus.js

706 ms

robotoCondensed.css

robotoCondensed.css

534 ms

DE.jpg

DE.jpg

136 ms

EN.jpg

EN.jpg

130 ms

windaus_logo_combined_111_jahre.png

windaus_logo_combined_111_jahre.png

131 ms

checkbox_arrow30.png

checkbox_arrow30.png

130 ms

header_text_de_1.jpg

header_text_de_1.jpg

689 ms

header_text_de_2.jpg

header_text_de_2.jpg

608 ms

header_text_de_3.jpg

header_text_de_3.jpg

569 ms

WINLAB-meter.jpeg

WINLAB-meter.jpeg

178 ms

Winlab-Probenehmer.jpeg

Winlab-Probenehmer.jpeg

180 ms

transportwaage.JPG

transportwaage.JPG

379 ms

kachel_pipette.png

kachel_pipette.png

278 ms

Winlab-Mikroskope.jpeg

Winlab-Mikroskope.jpeg

280 ms

PSA-Artikel.jpeg

PSA-Artikel.jpeg

378 ms

WINLAB-Laborger%C3%A4te.jpeg

WINLAB-Laborger%C3%A4te.jpeg

380 ms

kachel_Schn%C3%A4ppchenmarkt_1.png

kachel_Schn%C3%A4ppchenmarkt_1.png

477 ms

Webseite_Startscreen_WINDAUS_Katalog_small.jpg

Webseite_Startscreen_WINDAUS_Katalog_small.jpg

770 ms

katalog_mikroskope_thumbnail.jpg

katalog_mikroskope_thumbnail.jpg

584 ms

ui-bg_flat_75_ffffff_40x100.png

ui-bg_flat_75_ffffff_40x100.png

475 ms

fa-solid-900.woff

fa-solid-900.woff

557 ms

fa-regular-400.woff

fa-regular-400.woff

596 ms

Accessibility Review

windaus.de accessibility score

86

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

windaus.de best practices score

67

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

windaus.de SEO score

68

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

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 Windaus.de 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 Windaus.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

windaus.de

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