Tools & Wizards About Us
vonderlinden.de screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

vonderlinden.de

Innovative Technologie für den Yachtbau - M.u.H. von der Linden GmbH

Page Load Speed

2 sec in total

First Response

385 ms

Resources Loaded

1.4 sec

Page Rendered

177 ms

vonderlinden.de screenshot

About Website

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

Home

Visit vonderlinden.de

Key Findings

We analyzed Vonderlinden.de page load time and found that the first response time was 385 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

vonderlinden.de performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

29/100

25%

SI (Speed Index)

Value5.9 s

48/100

10%

TBT (Total Blocking Time)

Value4,960 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.0 s

8/100

10%

Network Requests Diagram

vonderlinden.de

385 ms

template_css.css

182 ms

functions.js

180 ms

menu.js

193 ms

header_short.jpg

96 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that all of those requests were addressed to Vonderlinden.de and no external sources were called. The less responsive or slowest element that took the longest time to load (928 ms) belongs to the original domain Vonderlinden.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 62.8 kB (8%)

Content Size

766.4 kB

After Optimization

703.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vonderlinden.de main page is 766.4 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. 20% of websites need less resources to load. Images take 694.7 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 40.3 kB

  • Original 48.7 kB
  • After minification 47.4 kB
  • After compression 8.4 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 40.3 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 3.5 kB

  • Original 694.7 kB
  • After minification 691.2 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. Von Der Linden images are well optimized though.

JavaScript Optimization

-84%

Potential reduce by 9.6 kB

  • Original 11.5 kB
  • After minification 5.9 kB
  • After compression 1.9 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 9.6 kB or 84% of the original size.

CSS Optimization

-82%

Potential reduce by 9.4 kB

  • Original 11.4 kB
  • After minification 8.5 kB
  • After compression 2.1 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. Vonderlinden.de needs all CSS files to be minified and compressed as it can save up to 9.4 kB or 82% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

22

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Von Der Linden. According to our analytics all requests are already optimized.

Network Requests Diagram

vonderlinden.de

vonderlinden.de

385 ms

template_css.css

template_css.css

182 ms

functions.js

functions.js

180 ms

menu.js

menu.js

193 ms

header_short.jpg

header_short.jpg

96 ms

westsystem2.png

westsystem2.png

91 ms

pro-set.png

pro-set.png

96 ms

awlgrip.png

awlgrip.png

96 ms

epifanes.png

epifanes.png

180 ms

duflex.png

duflex.png

184 ms

durakore.png

durakore.png

187 ms

coosa-logo.png

coosa-logo.png

188 ms

prisma-logo.png

prisma-logo.png

188 ms

sotecofoam-logo.png

sotecofoam-logo.png

189 ms

lefantflach.png

lefantflach.png

267 ms

durateclong-sm.png

durateclong-sm.png

273 ms

starbrite.png

starbrite.png

278 ms

sabalogo.png

sabalogo.png

279 ms

logo-duomar.jpg

logo-duomar.jpg

279 ms

marlene.jpg

marlene.jpg

372 ms

epoxycraft_logo_small.png

epoxycraft_logo_small.png

353 ms

monourethan.jpg

monourethan.jpg

544 ms

vdl_composites_logo_web.jpg

vdl_composites_logo_web.jpg

928 ms

arrow_org.png

arrow_org.png

351 ms

Accessibility Review

vonderlinden.de accessibility score

83

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

<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

vonderlinden.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

SEO Factors

vonderlinden.de SEO score

90

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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vonderlinden.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 Vonderlinden.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

vonderlinden.de

Open Graph description is not detected on the main page of Von Der Linden. 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: