Tools & Wizards About Us
dietz-und-daf.de screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 55

    SEO

    Google-friendlier than
    20% of websites

dietz-und-daf.de

Page Load Speed

885 ms in total

First Response

281 ms

Resources Loaded

510 ms

Page Rendered

94 ms

dietz-und-daf.de screenshot

About Website

Visit dietz-und-daf.de now to see the best up-to-date Dietz Und Daf content for Germany and also check out these interesting facts you probably never knew about dietz-und-daf.de

Professionelles aus dem Bereich Fremdsprachenlehren und -lernen. Vor allem für Deutsch als Fremdsprache

Visit dietz-und-daf.de

Key Findings

We analyzed Dietz-und-daf.de page load time and found that the first response time was 281 ms and then it took 604 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

dietz-und-daf.de performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.8 s

100/100

25%

SI (Speed Index)

Value1.1 s

100/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.0 s

100/100

10%

Network Requests Diagram

dietz-und-daf.de

281 ms

GD1.css

120 ms

logodietz&daf_neu.jpg

197 ms

top.gif

206 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that all of those requests were addressed to Dietz-und-daf.de and no external sources were called. The less responsive or slowest element that took the longest time to load (281 ms) belongs to the original domain Dietz-und-daf.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 11.2 kB (47%)

Content Size

23.8 kB

After Optimization

12.6 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Dietz-und-daf.de main page is 23.8 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 11.1 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 3.6 kB

  • Original 5.3 kB
  • After minification 4.5 kB
  • After compression 1.7 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 890 B, which is 17% 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 3.6 kB or 68% of the original size.

Image Optimization

-14%

Potential reduce by 1.5 kB

  • Original 11.1 kB
  • After minification 9.6 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. Obviously, Dietz Und Daf needs image optimization as it can save up to 1.5 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-82%

Potential reduce by 6.1 kB

  • Original 7.3 kB
  • After minification 4.3 kB
  • After compression 1.3 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. Dietz-und-daf.de needs all CSS files to be minified and compressed as it can save up to 6.1 kB or 82% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

  • Images
  • CSS

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

Network Requests Diagram

dietz-und-daf.de

dietz-und-daf.de

281 ms

GD1.css

GD1.css

120 ms

logodietz&daf_neu.jpg

logodietz&daf_neu.jpg

197 ms

top.gif

top.gif

206 ms

Accessibility Review

dietz-und-daf.de accessibility score

68

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

Document doesn't have a <title> element

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

Best Practices

dietz-und-daf.de best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

dietz-und-daf.de SEO score

55

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

Document doesn't have a <title> element

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dietz-und-daf.de can be misinterpreted by Google and other search engines. Our service has detected that English 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 Dietz-und-daf.de main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

dietz-und-daf.de

Open Graph description is not detected on the main page of Dietz Und Daf. 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: