Report Summary

  • 82

    Performance

    Renders faster than
    87% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

digitales-schwarzes-brett.de

Digitales Schwarzes Brett® - bewährte Alternative zum Papieraushang

Page Load Speed

1.3 sec in total

First Response

310 ms

Resources Loaded

816 ms

Page Rendered

184 ms

digitales-schwarzes-brett.de screenshot

About Website

Click here to check amazing Digitales Schwarzes Brett content for Germany. Otherwise, check out these important facts you probably never knew about digitales-schwarzes-brett.de

Digitales Schwarzes Brett® - Das ORIGINAL für Schulen, Unternehmen, öffentliche Einrichtungen und Retail.

Visit digitales-schwarzes-brett.de

Key Findings

We analyzed Digitales-schwarzes-brett.de page load time and found that the first response time was 310 ms and then it took 1000 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

digitales-schwarzes-brett.de performance score

82

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

74/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

58/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.0 s

88/100

10%

Network Requests Diagram

digitales-schwarzes-brett.de

310 ms

style_hd.css

103 ms

logo.jpg

280 ms

waehlen.jpg

282 ms

netschool.jpg

380 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that 82% of them (9 requests) were addressed to the original Digitales-schwarzes-brett.de, 18% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (403 ms) belongs to the original domain Digitales-schwarzes-brett.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 46.5 kB (15%)

Content Size

314.2 kB

After Optimization

267.8 kB

In fact, the total size of Digitales-schwarzes-brett.de main page is 314.2 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. 15% of websites need less resources to load. Images take 257.9 kB which makes up the majority of the site volume.

HTML Optimization

-60%

Potential reduce by 1.4 kB

  • Original 2.3 kB
  • After minification 2.1 kB
  • After compression 922 B

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 1.4 kB or 60% of the original size.

Image Optimization

-5%

Potential reduce by 12.5 kB

  • Original 257.9 kB
  • After minification 245.4 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. Digitales Schwarzes Brett images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 32.0 kB

  • Original 52.9 kB
  • After minification 52.9 kB
  • After compression 20.9 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 32.0 kB or 60% of the original size.

CSS Optimization

-58%

Potential reduce by 643 B

  • Original 1.1 kB
  • After minification 849 B
  • After compression 474 B

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. Digitales-schwarzes-brett.de needs all CSS files to be minified and compressed as it can save up to 643 B or 58% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

10

After Optimization

10

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Digitales Schwarzes Brett. According to our analytics all requests are already optimized.

Accessibility Review

digitales-schwarzes-brett.de accessibility score

88

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

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

digitales-schwarzes-brett.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

digitales-schwarzes-brett.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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Digitales-schwarzes-brett.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 Digitales-schwarzes-brett.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 Digitales Schwarzes Brett. 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: