Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

veluxshop.de

VELUX Dachfenster-Rollos - versandkostenfrei | VELUX Shop

Page Load Speed

6.7 sec in total

First Response

648 ms

Resources Loaded

5.7 sec

Page Rendered

305 ms

About Website

Visit veluxshop.de now to see the best up-to-date VELUX Shop content for Germany and also check out these interesting facts you probably never knew about veluxshop.de

Rollos, Plissees, Markisen, Jalousien und Zubehör für VELUX Dachfenster. Bis zu 3 Jahre Garantie. Im offiziellen VELUX Shop kaufen mit kostenfreier versand. Lesen Sie mehr.

Visit veluxshop.de

Key Findings

We analyzed Veluxshop.de page load time and found that the first response time was 648 ms and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

veluxshop.de performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value13.6 s

0/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value5,270 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.198

62/100

15%

TTI (Time to Interactive)

Value14.9 s

8/100

10%

Network Requests Diagram

veluxshop.de

648 ms

www.veluxshop.de

1143 ms

jquery-1.7.1.min.js;wabe1d9c96386ce52f

536 ms

shadowbox.js;waeb7e40c154e4aefd

603 ms

shadowbox.css;wa71c324874b57a37b

479 ms

Our browser made a total of 184 requests to load all elements on the main page. We found that 59% of them (109 requests) were addressed to the original Veluxshop.de, 6% (11 requests) were made to Eu-sonar.sociomantic.com and 5% (10 requests) were made to Imagesrv.adition.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Veluxshop.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 444.1 kB (19%)

Content Size

2.3 MB

After Optimization

1.9 MB

In fact, the total size of Veluxshop.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. 65% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 75.0 kB

  • Original 90.6 kB
  • After minification 79.5 kB
  • After compression 15.7 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 11.2 kB, which is 12% 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 75.0 kB or 83% of the original size.

Image Optimization

-5%

Potential reduce by 100.3 kB

  • Original 1.8 MB
  • After minification 1.7 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. VELUX Shop images are well optimized though.

JavaScript Optimization

-51%

Potential reduce by 92.8 kB

  • Original 181.7 kB
  • After minification 181.5 kB
  • After compression 88.9 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 92.8 kB or 51% of the original size.

CSS Optimization

-84%

Potential reduce by 175.9 kB

  • Original 208.7 kB
  • After minification 206.2 kB
  • After compression 32.8 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. Veluxshop.de needs all CSS files to be minified and compressed as it can save up to 175.9 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 85 (52%)

Requests Now

164

After Optimization

79

The browser has sent 164 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VELUX Shop. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

veluxshop.de accessibility score

78

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

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

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

veluxshop.de best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

veluxshop.de SEO score

92

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

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

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 Veluxshop.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 Veluxshop.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

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