Tools & Wizards About Us
lehrstoffmanager.de screenshot

Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

lehrstoffmanager.de

SintraNet Lehrstoffmanager - modulare Lehrersoftware für Windows

Page Load Speed

3.5 sec in total

First Response

339 ms

Resources Loaded

2.7 sec

Page Rendered

424 ms

lehrstoffmanager.de screenshot

About Website

Click here to check amazing Lehrstoffmanager content. Otherwise, check out these important facts you probably never knew about lehrstoffmanager.de

SintraNet Lehrstoffmanager - modular zusammenstellbare Lehrersoftware zur Unterrichtsplanung, Klassen-/Notenverwaltung und Erstellung von Multiple-Choice Tests.

Visit lehrstoffmanager.de

Key Findings

We analyzed Lehrstoffmanager.de page load time and found that the first response time was 339 ms and then it took 3.1 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

lehrstoffmanager.de performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

38/100

25%

SI (Speed Index)

Value4.7 s

68/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value4.3 s

84/100

10%

Network Requests Diagram

lehrstoffmanager.de

339 ms

lehrstoffmanager.de

414 ms

www.lehrstoffmanager.de

289 ms

www.lehrstoffmanager.de

1058 ms

css

38 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 77% of them (17 requests) were addressed to the original Lehrstoffmanager.de, 9% (2 requests) were made to Cdnjs.cloudflare.com and 9% (2 requests) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Lehrstoffmanager.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 51.0 kB (20%)

Content Size

259.0 kB

After Optimization

208.0 kB

  • HTML
  • Images

In fact, the total size of Lehrstoffmanager.de main page is 259.0 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. Only 10% of websites need less resources to load. Images take 199.2 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 47.0 kB

  • Original 59.8 kB
  • After minification 55.4 kB
  • After compression 12.8 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 47.0 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 4.1 kB

  • Original 199.2 kB
  • After minification 195.2 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. Lehrstoffmanager images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

17

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lehrstoffmanager. According to our analytics all requests are already optimized.

Network Requests Diagram

lehrstoffmanager.de

lehrstoffmanager.de

339 ms

lehrstoffmanager.de

lehrstoffmanager.de

414 ms

www.lehrstoffmanager.de

www.lehrstoffmanager.de

289 ms

www.lehrstoffmanager.de

www.lehrstoffmanager.de

1058 ms

css

css

38 ms

font-awesome.min.css

font-awesome.min.css

43 ms

cookieconsent.min.css

cookieconsent.min.css

28 ms

logo_40x40.png

logo_40x40.png

201 ms

software_logo_40xX.png

software_logo_40xX.png

306 ms

lehrer-app.png

lehrer-app.png

304 ms

lehrersoftware.png

lehrersoftware.png

309 ms

selbst_erstellen.jpg

selbst_erstellen.jpg

678 ms

ok_24ocker.png

ok_24ocker.png

280 ms

aufz_orange.png

aufz_orange.png

312 ms

preis_2400.png

preis_2400.png

309 ms

preis_je2900.png

preis_je2900.png

314 ms

cookieconsent.min.js

cookieconsent.min.js

4 ms

preis_4400.png

preis_4400.png

313 ms

preis_je1400.png

preis_je1400.png

332 ms

logo_flvg_blau.png

logo_flvg_blau.png

406 ms

facebook_text_115.png

facebook_text_115.png

415 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

13 ms

Accessibility Review

lehrstoffmanager.de accessibility score

95

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.

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

lehrstoffmanager.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

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

lehrstoffmanager.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

    UTF-8

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

lehrstoffmanager.de

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