Report Summary

  • 54

    Performance

    Renders faster than
    72% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

altana-kulturstiftung.de

Stiftung Kunst und Natur

Page Load Speed

2.7 sec in total

First Response

295 ms

Resources Loaded

2 sec

Page Rendered

313 ms

altana-kulturstiftung.de screenshot

About Website

Click here to check amazing Altanakultur Stiftung content. Otherwise, check out these important facts you probably never knew about altana-kulturstiftung.de

Die Stiftung Kunst und Natur bietet Räume und interdisziplinäre Programme zur Auseinandersetzung mit Kunst und Kultur sowie Natur und Landschaft.

Visit altana-kulturstiftung.de

Key Findings

We analyzed Altana-kulturstiftung.de page load time and found that the first response time was 295 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

altana-kulturstiftung.de performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value6.7 s

37/100

10%

TBT (Total Blocking Time)

Value230 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value6.9 s

54/100

10%

Network Requests Diagram

altana-kulturstiftung.de

295 ms

www.altana-kulturstiftung.de

506 ms

stylesheet_a696eff519.css

277 ms

jquery.1.10.2.js

382 ms

bootstrap.min.js

280 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that all of those requests were addressed to Altana-kulturstiftung.de and no external sources were called. The less responsive or slowest element that took the longest time to load (654 ms) belongs to the original domain Altana-kulturstiftung.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 393.7 kB (27%)

Content Size

1.5 MB

After Optimization

1.1 MB

In fact, the total size of Altana-kulturstiftung.de main page is 1.5 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. 35% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 18.4 kB

  • Original 23.3 kB
  • After minification 21.7 kB
  • After compression 4.9 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 18.4 kB or 79% of the original size.

Image Optimization

-6%

Potential reduce by 61.2 kB

  • Original 1.1 MB
  • After minification 990.5 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. Altanakultur Stiftung images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 197.6 kB

  • Original 262.6 kB
  • After minification 198.1 kB
  • After compression 65.0 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 197.6 kB or 75% of the original size.

CSS Optimization

-85%

Potential reduce by 116.6 kB

  • Original 137.5 kB
  • After minification 106.1 kB
  • After compression 20.9 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. Altana-kulturstiftung.de needs all CSS files to be minified and compressed as it can save up to 116.6 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (39%)

Requests Now

31

After Optimization

19

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Altanakultur Stiftung. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

altana-kulturstiftung.de accessibility score

61

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

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>).

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

altana-kulturstiftung.de best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

altana-kulturstiftung.de SEO score

85

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Altana-kulturstiftung.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 Altana-kulturstiftung.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 Altanakultur Stiftung. 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: