Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

up-fenster.de

up-fenster – Home

Page Load Speed

8.9 sec in total

First Response

1.1 sec

Resources Loaded

7.7 sec

Page Rendered

127 ms

up-fenster.de screenshot

About Website

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

Startseite der UP Fenster und Türen GmbH - Schüco-Systempartner und Hersteller von Fenster und Haustüren

Visit up-fenster.de

Key Findings

We analyzed Up-fenster.de page load time and found that the first response time was 1.1 sec and then it took 7.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster. This domain responded with an error, which can significantly jeopardize Up-fenster.de rating and web reputation

Performance Metrics

up-fenster.de performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value13.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value20.2 s

0/100

25%

SI (Speed Index)

Value18.2 s

0/100

10%

TBT (Total Blocking Time)

Value1,840 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.337

33/100

15%

TTI (Time to Interactive)

Value18.9 s

3/100

10%

Network Requests Diagram

up-fenster.de

1107 ms

modal.css

156 ms

style.css

197 ms

bootstrap.min.css

515 ms

bootstrap-responsive.min.css

201 ms

Our browser made a total of 129 requests to load all elements on the main page. We found that 98% of them (126 requests) were addressed to the original Up-fenster.de, 1% (1 request) were made to Fonts.googleapis.com and 1% (1 request) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (4 sec) belongs to the original domain Up-fenster.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (65%)

Content Size

2.5 MB

After Optimization

896.0 kB

In fact, the total size of Up-fenster.de main page is 2.5 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. 70% of websites need less resources to load. Javascripts take 769.4 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 560.0 kB

  • Original 655.9 kB
  • After minification 651.3 kB
  • After compression 95.9 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 560.0 kB or 85% of the original size.

Image Optimization

-9%

Potential reduce by 48.6 kB

  • Original 525.7 kB
  • After minification 477.1 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. Up Fenster images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 536.9 kB

  • Original 769.4 kB
  • After minification 727.9 kB
  • After compression 232.5 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 536.9 kB or 70% of the original size.

CSS Optimization

-84%

Potential reduce by 487.1 kB

  • Original 577.6 kB
  • After minification 498.9 kB
  • After compression 90.5 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. Up-fenster.de needs all CSS files to be minified and compressed as it can save up to 487.1 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 90 (71%)

Requests Now

126

After Optimization

36

The browser has sent 126 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Up Fenster. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 61 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

up-fenster.de accessibility score

86

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

up-fenster.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

up-fenster.de SEO score

81

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 uses 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 Up-fenster.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 Up-fenster.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 Up Fenster. 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: