Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

dms.uni-landau.de

AG Didaktik der Mathematik (Sekundarstufen) - FB Natur- und Umweltwissenschaften Campus Landau

Page Load Speed

1.3 sec in total

First Response

594 ms

Resources Loaded

600 ms

Page Rendered

77 ms

dms.uni-landau.de screenshot

About Website

Welcome to dms.uni-landau.de homepage info - get ready to check Dms Uni Landau best content for Germany right away, or after learning these important things about dms.uni-landau.de

AG Didaktik der Mathematik (Sekundarstufen)

Visit dms.uni-landau.de

Key Findings

We analyzed Dms.uni-landau.de page load time and found that the first response time was 594 ms and then it took 677 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

dms.uni-landau.de performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value230 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0.09

92/100

15%

TTI (Time to Interactive)

Value8.4 s

39/100

10%

Network Requests Diagram

dms.uni-landau.de

594 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Dms.uni-landau.de and no external sources were called. The less responsive or slowest element that took the longest time to load (594 ms) belongs to the original domain Dms.uni-landau.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 327 B (64%)

Content Size

513 B

After Optimization

186 B

In fact, the total size of Dms.uni-landau.de main page is 513 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 513 B which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 327 B

  • Original 513 B
  • After minification 229 B
  • After compression 186 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. This page needs HTML code to be minified as it can gain 284 B, which is 55% 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 327 B or 64% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

dms.uni-landau.de accessibility score

87

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

dms.uni-landau.de best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

dms.uni-landau.de SEO score

79

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

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dms.uni-landau.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 Dms.uni-landau.de main page’s claimed encoding is . 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

Open Graph description is not detected on the main page of Dms Uni Landau. 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: