Tools & Wizards About Us
zahlenbilder.de screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

zahlenbilder.de

Infografiken zu Gesellschaft, Politik & Wirtschaft | Zahlenbilder

Page Load Speed

3.1 sec in total

First Response

222 ms

Resources Loaded

2.8 sec

Page Rendered

107 ms

zahlenbilder.de screenshot

About Website

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

Über 1.500 Infografiken für den Schulunterricht || Diagramme, Tabellen & Illustrationen im PDF-Format ✓ 17 neue Zahlenbilder pro Monat ✓ Text + Illustrationen.

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Key Findings

We analyzed Zahlenbilder.de page load time and found that the first response time was 222 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

zahlenbilder.de performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

76/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value5.9 s

49/100

10%

TBT (Total Blocking Time)

Value490 ms

59/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

zahlenbilder.de

222 ms

zahlenbilder.de

753 ms

A.1686295280_8e0213f2af35c96da7e6dbe5c646306d.css.pagespeed.cf.fZLn-3zIGK.css

289 ms

buhv-logo.svg

425 ms

1686295280_8e0213f2af35c96da7e6dbe5c646306d.js.pagespeed.jm.XU18dnZJad.js

580 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that all of those requests were addressed to Zahlenbilder.de and no external sources were called. The less responsive or slowest element that took the longest time to load (753 ms) belongs to the original domain Zahlenbilder.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 36.1 kB (14%)

Content Size

263.0 kB

After Optimization

226.9 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Zahlenbilder.de main page is 263.0 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. 25% of websites need less resources to load. Javascripts take 127.1 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 35.5 kB

  • Original 46.3 kB
  • After minification 46.2 kB
  • After compression 10.8 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 35.5 kB or 77% of the original size.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 127.1 kB
  • After minification 127.1 kB
  • After compression 127.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 589 B

  • Original 89.6 kB
  • After minification 89.6 kB
  • After compression 89.0 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. Zahlenbilder.de has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

  • Images
  • JavaScript
  • CSS

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zahlenbilder. According to our analytics all requests are already optimized.

Network Requests Diagram

zahlenbilder.de

zahlenbilder.de

222 ms

zahlenbilder.de

zahlenbilder.de

753 ms

A.1686295280_8e0213f2af35c96da7e6dbe5c646306d.css.pagespeed.cf.fZLn-3zIGK.css

A.1686295280_8e0213f2af35c96da7e6dbe5c646306d.css.pagespeed.cf.fZLn-3zIGK.css

289 ms

buhv-logo.svg

buhv-logo.svg

425 ms

1686295280_8e0213f2af35c96da7e6dbe5c646306d.js.pagespeed.jm.XU18dnZJad.js

1686295280_8e0213f2af35c96da7e6dbe5c646306d.js.pagespeed.jm.XU18dnZJad.js

580 ms

roboto-v18-latin-regular.woff

roboto-v18-latin-regular.woff

100 ms

roboto-v18-latin-500.woff

roboto-v18-latin-500.woff

194 ms

roboto-v18-latin-300.woff

roboto-v18-latin-300.woff

208 ms

roboto-v18-latin-700.woff

roboto-v18-latin-700.woff

255 ms

Verdana-Regular.woff

Verdana-Regular.woff

479 ms

Verdana-Bold.woff

Verdana-Bold.woff

486 ms

OpenSans-Regular.woff

OpenSans-Regular.woff

487 ms

OpenSans-Light.woff

OpenSans-Light.woff

390 ms

OpenSans-Semibold.woff

OpenSans-Semibold.woff

397 ms

OpenSans-Bold.woff

OpenSans-Bold.woff

359 ms

OpenSans-ExtraBold.woff

OpenSans-ExtraBold.woff

463 ms

shopware.woff

shopware.woff

499 ms

fa-regular-400.woff

fa-regular-400.woff

498 ms

fa-solid-900.woff

fa-solid-900.woff

571 ms

Accessibility Review

zahlenbilder.de accessibility score

94

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

button, link, and menuitem elements do not have accessible names.

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

Links do not have a discernible name

Best Practices

zahlenbilder.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

zahlenbilder.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

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 Zahlenbilder.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 Zahlenbilder.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

zahlenbilder.de

Open Graph data is detected on the main page of Zahlenbilder. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: