Tools & Wizards About Us
mathematik.de screenshot

Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

mathematik.de

Deutsche Mathematiker-Vereinigung

Page Load Speed

4.2 sec in total

First Response

243 ms

Resources Loaded

3.7 sec

Page Rendered

224 ms

mathematik.de screenshot

About Website

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

Die Deutsche Mathematiker-Vereinigung (DMV) setzt sich seit 1890 für alle Belange der Mathematik ein. Sie fördert Forschung, Lehre und Anwendungen der Mathematik sowie den nationalen und international...

Visit mathematik.de

Key Findings

We analyzed Mathematik.de page load time and found that the first response time was 243 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

mathematik.de performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value20.8 s

0/100

25%

SI (Speed Index)

Value14.3 s

1/100

10%

TBT (Total Blocking Time)

Value1,890 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.829

4/100

15%

TTI (Time to Interactive)

Value22.2 s

1/100

10%

Network Requests Diagram

mathematik.de

243 ms

www.mathematik.de

1169 ms

style.css

110 ms

content.css

217 ms

jcemediabox.min.css

310 ms

Our browser made a total of 100 requests to load all elements on the main page. We found that 67% of them (67 requests) were addressed to the original Mathematik.de, 11% (11 requests) were made to Platform.twitter.com and 5% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Mathematik.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 160.2 kB (14%)

Content Size

1.1 MB

After Optimization

966.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Mathematik.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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 574.5 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 60.1 kB

  • Original 75.9 kB
  • After minification 73.3 kB
  • After compression 15.8 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 60.1 kB or 79% of the original size.

Image Optimization

-12%

Potential reduce by 70.0 kB

  • Original 574.5 kB
  • After minification 504.5 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, Mathematik needs image optimization as it can save up to 70.0 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-4%

Potential reduce by 13.1 kB

  • Original 332.0 kB
  • After minification 331.6 kB
  • After compression 318.9 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

-12%

Potential reduce by 16.9 kB

  • Original 144.6 kB
  • After minification 144.3 kB
  • After compression 127.6 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. Mathematik.de needs all CSS files to be minified and compressed as it can save up to 16.9 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 60 (65%)

Requests Now

93

After Optimization

33

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mathematik. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 27 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

mathematik.de

mathematik.de

243 ms

www.mathematik.de

www.mathematik.de

1169 ms

style.css

style.css

110 ms

content.css

content.css

217 ms

jcemediabox.min.css

jcemediabox.min.css

310 ms

base.layout.css

base.layout.css

312 ms

bootstrap.css

bootstrap.css

437 ms

bootstrap-responsive.css

bootstrap-responsive.css

326 ms

jevcustom.css

jevcustom.css

321 ms

btcontentslider.css

btcontentslider.css

328 ms

navigation.dropdown.css

navigation.dropdown.css

424 ms

navigation.mobile.css

navigation.mobile.css

429 ms

finder.css

finder.css

445 ms

chosen.css

chosen.css

447 ms

screen.responsive.css

screen.responsive.css

445 ms

jquery-ui.css

jquery-ui.css

531 ms

dmv-custom.css

dmv-custom.css

544 ms

dmv-global.css

dmv-global.css

550 ms

dmv-responsive.css

dmv-responsive.css

549 ms

shariff.min.css

shariff.min.css

556 ms

jquery.min.js

jquery.min.js

670 ms

jquery-noconflict.js

jquery-noconflict.js

637 ms

jquery-migrate.min.js

jquery-migrate.min.js

651 ms

jcemediabox.min.js

jcemediabox.min.js

766 ms

focusfix.min.js

focusfix.min.js

660 ms

slides.js

slides.js

668 ms

default.js

default.js

744 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

760 ms

jquery.easing.js

jquery.easing.js

772 ms

jquery.accessible_dropdown.js

jquery.accessible_dropdown.js

776 ms

jquery.jyamlmobilenav.js

jquery.jyamlmobilenav.js

782 ms

jquery.autocomplete.min.js

jquery.autocomplete.min.js

852 ms

tmpl.js

tmpl.js

866 ms

dmv-custom.js

dmv-custom.js

879 ms

chosen.jquery.min.js

chosen.jquery.min.js

883 ms

responsive-switch.min.js

responsive-switch.min.js

881 ms

shariff.min.js

shariff.min.js

894 ms

jquery-ui.min.js

jquery-ui.min.js

25 ms

widgets.js

widgets.js

103 ms

sdk.js

sdk.js

18 ms

base.min.css

base.min.css

658 ms

screen.basemod.css

screen.basemod.css

671 ms

screen.content.css

screen.content.css

690 ms

accessible_dropdown_base.css

accessible_dropdown_base.css

576 ms

css

css

30 ms

screen.forms.css

screen.forms.css

110 ms

gray-theme.css

gray-theme.css

110 ms

kurzlogo_rgb.svg

kurzlogo_rgb.svg

157 ms

searchButton.gif

searchButton.gif

157 ms

spenden.png

spenden.png

159 ms

jobs.png

jobs.png

156 ms

benutzer.png

benutzer.png

158 ms

4102af3d56fbfdbb60075a0f258d3b54-mathemacher-mai-juni-2024.jpg

4102af3d56fbfdbb60075a0f258d3b54-mathemacher-mai-juni-2024.jpg

583 ms

5cee02a550d0b2752ddf543089bd3aac-ALFP_2024_Knebusch.png

5cee02a550d0b2752ddf543089bd3aac-ALFP_2024_Knebusch.png

754 ms

7e458f183053099c0d1635fdad152583-2BMS-DocsKayHerschelm_A1_0798.jpeg

7e458f183053099c0d1635fdad152583-2BMS-DocsKayHerschelm_A1_0798.jpeg

607 ms

KTS_RGB.png

KTS_RGB.png

270 ms

Logo_Aktuare_DMV.png

Logo_Aktuare_DMV.png

584 ms

gauss.png

gauss.png

583 ms

abipreis.png

abipreis.png

584 ms

jahrestagung.png

jahrestagung.png

585 ms

mathemacher.png

mathemacher.png

585 ms

publikationen.png

publikationen.png

606 ms

facebook.png

facebook.png

606 ms

twitter.png

twitter.png

605 ms

youtube.png

youtube.png

605 ms

linkedin.png

linkedin.png

755 ms

DMV-Langlogo_4c-removebg-preview.png

DMV-Langlogo_4c-removebg-preview.png

907 ms

blank.gif

blank.gif

747 ms

5hsBOoJm3lE

5hsBOoJm3lE

191 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

73 ms

sdk.js

sdk.js

9 ms

slider-arrow.svg

slider-arrow.svg

603 ms

loading.gif

loading.gif

608 ms

tDbK2oqRg1oM3QBjjcaDkOr4nAfcGw.ttf

tDbK2oqRg1oM3QBjjcaDkOr4nAfcGw.ttf

36 ms

tDbI2oqRg1oM3QBjjcaDkOr9rAA.ttf

tDbI2oqRg1oM3QBjjcaDkOr9rAA.ttf

44 ms

tDbV2oqRg1oM3QBjjcaDkOJGiRD7OwQ.ttf

tDbV2oqRg1oM3QBjjcaDkOJGiRD7OwQ.ttf

52 ms

44 ms

settings

settings

363 ms

www-player.css

www-player.css

8 ms

www-embed-player.js

www-embed-player.js

30 ms

base.js

base.js

60 ms

ad_status.js

ad_status.js

175 ms

4FCBsbVWt5jZVKm36Bs_QtpgBkunTUSSklJnPgMburg.js

4FCBsbVWt5jZVKm36Bs_QtpgBkunTUSSklJnPgMburg.js

122 ms

embed.js

embed.js

47 ms

timeline.e108540dddc96e4b707f5cf259a582d7.js

timeline.e108540dddc96e4b707f5cf259a582d7.js

42 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

24 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

24 ms

id

id

36 ms

Create

Create

120 ms

dmv_mathematik

dmv_mathematik

104 ms

polyfills-3b821eda8863adcc4a4b.js

polyfills-3b821eda8863adcc4a4b.js

162 ms

runtime-a697c5a1ae32bd7e4d42.js

runtime-a697c5a1ae32bd7e4d42.js

162 ms

modules.20f98d7498a59035a762.js

modules.20f98d7498a59035a762.js

168 ms

main-fd9ef5eb169057cda26d.js

main-fd9ef5eb169057cda26d.js

186 ms

_app-88bf420a57d49e33be53.js

_app-88bf420a57d49e33be53.js

192 ms

%5BscreenName%5D-c33f0b02841cffc3e9b4.js

%5BscreenName%5D-c33f0b02841cffc3e9b4.js

190 ms

_buildManifest.js

_buildManifest.js

189 ms

_ssgManifest.js

_ssgManifest.js

188 ms

base.print.css

base.print.css

114 ms

GenerateIT

GenerateIT

21 ms

Accessibility Review

mathematik.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

mathematik.de best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

mathematik.de SEO score

90

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 Mathematik.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 Mathematik.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

mathematik.de

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