Tools & Wizards About Us
umweltschulen.de screenshot

Report Summary

  • 56

    Performance

    Renders faster than
    73% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

umweltschulen.de

Umweltbildung, Umweltschutz und Bildung für nachhaltige Entwicklung

Page Load Speed

4.2 sec in total

First Response

582 ms

Resources Loaded

3.4 sec

Page Rendered

232 ms

umweltschulen.de screenshot

About Website

Visit umweltschulen.de now to see the best up-to-date Umweltschulen content for Germany and also check out these interesting facts you probably never knew about umweltschulen.de

umweltschulen.de informiert über Umweltbildung, Bildung für nachhaltige Entwicklung, Umweltschutz und Klimaschutz in Schulen und Kommunen.

Visit umweltschulen.de

Key Findings

We analyzed Umweltschulen.de page load time and found that the first response time was 582 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

umweltschulen.de performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

90/100

25%

SI (Speed Index)

Value4.3 s

76/100

10%

TBT (Total Blocking Time)

Value3,620 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

umweltschulen.de

582 ms

formate.css

285 ms

vorlage_layout.css

276 ms

images.js

281 ms

addthis_widget.js

10 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 88% of them (36 requests) were addressed to the original Umweltschulen.de, 7% (3 requests) were made to S7.addthis.com and 2% (1 request) were made to Piwik2.michael-mendel.de. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Umweltschulen.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 428.6 kB (40%)

Content Size

1.1 MB

After Optimization

636.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Umweltschulen.de main page is 1.1 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. 20% of websites need less resources to load. Images take 529.8 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 68.9 kB

  • Original 99.3 kB
  • After minification 97.6 kB
  • After compression 30.5 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 68.9 kB or 69% of the original size.

Image Optimization

-14%

Potential reduce by 76.3 kB

  • Original 529.8 kB
  • After minification 453.5 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. Obviously, Umweltschulen needs image optimization as it can save up to 76.3 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 279.2 kB

  • Original 430.8 kB
  • After minification 430.7 kB
  • After compression 151.6 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 279.2 kB or 65% of the original size.

CSS Optimization

-83%

Potential reduce by 4.2 kB

  • Original 5.1 kB
  • After minification 4.3 kB
  • After compression 883 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. Umweltschulen.de needs all CSS files to be minified and compressed as it can save up to 4.2 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (45%)

Requests Now

40

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Umweltschulen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

umweltschulen.de

umweltschulen.de

582 ms

formate.css

formate.css

285 ms

vorlage_layout.css

vorlage_layout.css

276 ms

images.js

images.js

281 ms

addthis_widget.js

addthis_widget.js

10 ms

lg-share-en.gif

lg-share-en.gif

61 ms

kopfbanner_home.jpg

kopfbanner_home.jpg

1012 ms

rss_28x28.png

rss_28x28.png

293 ms

logo-dekade-2012.jpg

logo-dekade-2012.jpg

882 ms

flag_ge_s.jpg

flag_ge_s.jpg

459 ms

flag_en_s.jpg

flag_en_s.jpg

313 ms

flag_no_s.jpg

flag_no_s.jpg

470 ms

flag_se_s.jpg

flag_se_s.jpg

585 ms

flag_fi_s.jpg

flag_fi_s.jpg

602 ms

flag_fr_s.jpg

flag_fr_s.jpg

871 ms

flag_nl_s.jpg

flag_nl_s.jpg

910 ms

flag_da_s.jpg

flag_da_s.jpg

895 ms

flag_pt_s.jpg

flag_pt_s.jpg

1038 ms

flag_es_s.jpg

flag_es_s.jpg

1164 ms

flag_it_s.jpg

flag_it_s.jpg

1320 ms

flag_pl_s.jpg

flag_pl_s.jpg

1186 ms

flag_jp_s.jpg

flag_jp_s.jpg

1193 ms

neu.gif

neu.gif

1319 ms

image1508.jpg

image1508.jpg

2403 ms

image1657.jpg

image1657.jpg

1936 ms

image6004.jpg

image6004.jpg

1893 ms

image7027.jpg

image7027.jpg

1922 ms

image6111.jpg

image6111.jpg

1894 ms

image6998.jpg

image6998.jpg

2088 ms

nix.gif

nix.gif

2188 ms

pfeil.gif

pfeil.gif

2203 ms

clearpixel.gif

clearpixel.gif

2201 ms

druck.gif

druck.gif

2212 ms

piwik.js

piwik.js

882 ms

300lo.json

300lo.json

29 ms

sh.8e5f85691f9aaa082472a194.html

sh.8e5f85691f9aaa082472a194.html

55 ms

umweltschutz_down.gif

umweltschutz_down.gif

297 ms

umweltbildung_down.gif

umweltbildung_down.gif

297 ms

nachhaltigkeit_down.gif

nachhaltigkeit_down.gif

300 ms

impressum_down.gif

impressum_down.gif

298 ms

service_down.gif

service_down.gif

298 ms

Accessibility Review

umweltschulen.de accessibility score

84

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

Best Practices

umweltschulen.de best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

umweltschulen.de SEO score

69

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Umweltschulen.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 Umweltschulen.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

umweltschulen.de

Open Graph description is not detected on the main page of Umweltschulen. 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: