Tools & Wizards About Us
blickwechseln.de screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

blickwechseln.de

Probleme mit dem Rechnen | Rechenschwäche - Blickwechseln e.V. Tübingen, Stuttgart, Karlsruhe

Page Load Speed

7.8 sec in total

First Response

339 ms

Resources Loaded

7.2 sec

Page Rendered

266 ms

blickwechseln.de screenshot

About Website

Click here to check amazing Blickwechseln content for Germany. Otherwise, check out these important facts you probably never knew about blickwechseln.de

BLICKWECHSELN e.V. Tübingen, Stuttgart, Karlsruhe: Wir geben Unterstützung bei Problemen mit dem Rechnen, Rechenschwäche, Legasthenie, Rechtschreibschwäche.

Visit blickwechseln.de

Key Findings

We analyzed Blickwechseln.de page load time and found that the first response time was 339 ms and then it took 7.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

blickwechseln.de performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.2 s

1/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value17.2 s

0/100

10%

TBT (Total Blocking Time)

Value680 ms

44/100

30%

CLS (Cumulative Layout Shift)

Value0.02

100/100

15%

TTI (Time to Interactive)

Value12.8 s

13/100

10%

Network Requests Diagram

blickwechseln.de

339 ms

www.blickwechseln.de

1824 ms

style.min.css

208 ms

styles.css

307 ms

front.min.css

343 ms

Our browser made a total of 112 requests to load all elements on the main page. We found that all of those requests were addressed to Blickwechseln.de and no external sources were called. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Blickwechseln.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 124.9 kB (10%)

Content Size

1.2 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Blickwechseln.de main page is 1.2 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. 60% of websites need less resources to load. Javascripts take 453.8 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 102.8 kB

  • Original 123.9 kB
  • After minification 122.1 kB
  • After compression 21.1 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 102.8 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 12.0 kB

  • Original 410.9 kB
  • After minification 399.0 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. Blickwechseln images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.7 kB

  • Original 453.8 kB
  • After minification 453.8 kB
  • After compression 451.1 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

-3%

Potential reduce by 7.4 kB

  • Original 254.2 kB
  • After minification 253.4 kB
  • After compression 246.8 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. Blickwechseln.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 93 (88%)

Requests Now

106

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 106 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blickwechseln. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 72 to 1 for JavaScripts and from 23 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

blickwechseln.de

blickwechseln.de

339 ms

www.blickwechseln.de

www.blickwechseln.de

1824 ms

style.min.css

style.min.css

208 ms

styles.css

styles.css

307 ms

front.min.css

front.min.css

343 ms

mediaelementplayer-legacy.min.css

mediaelementplayer-legacy.min.css

308 ms

wp-mediaelement.min.css

wp-mediaelement.min.css

341 ms

style.css

style.css

345 ms

font-awesome.min.css

font-awesome.min.css

324 ms

style.min.css

style.min.css

412 ms

style.css

style.css

414 ms

dripicons.css

dripicons.css

433 ms

kiko-all.css

kiko-all.css

446 ms

font-awesome-5.min.css

font-awesome-5.min.css

552 ms

stylesheet.min.css

stylesheet.min.css

779 ms

print.css

print.css

516 ms

style_dynamic_callback.php

style_dynamic_callback.php

1485 ms

responsive.min.css

responsive.min.css

545 ms

style_dynamic_responsive_callback.php

style_dynamic_responsive_callback.php

2484 ms

js_composer.min.css

js_composer.min.css

830 ms

core-dashboard.min.css

core-dashboard.min.css

655 ms

default.css

default.css

652 ms

style.css

style.css

757 ms

jquery.min.js

jquery.min.js

769 ms

jquery-migrate.min.js

jquery-migrate.min.js

863 ms

rbtools.min.js

rbtools.min.js

987 ms

rs6.min.js

rs6.min.js

1000 ms

rs6.css

rs6.css

844 ms

index.js

index.js

877 ms

index.js

index.js

949 ms

front.min.js

front.min.js

984 ms

core.min.js

core.min.js

1005 ms

accordion.min.js

accordion.min.js

1016 ms

menu.min.js

menu.min.js

1054 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

1091 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

1114 ms

wp-polyfill.min.js

wp-polyfill.min.js

1127 ms

dom-ready.min.js

dom-ready.min.js

1157 ms

hooks.min.js

hooks.min.js

1082 ms

i18n.min.js

i18n.min.js

1015 ms

a11y.min.js

a11y.min.js

1025 ms

autocomplete.min.js

autocomplete.min.js

1037 ms

controlgroup.min.js

controlgroup.min.js

1083 ms

checkboxradio.min.js

checkboxradio.min.js

1089 ms

button.min.js

button.min.js

1098 ms

datepicker.min.js

datepicker.min.js

1055 ms

mouse.min.js

mouse.min.js

1111 ms

resizable.min.js

resizable.min.js

1105 ms

draggable.min.js

draggable.min.js

1105 ms

dialog.min.js

dialog.min.js

1058 ms

droppable.min.js

droppable.min.js

1042 ms

progressbar.min.js

progressbar.min.js

1078 ms

selectable.min.js

selectable.min.js

994 ms

sortable.min.js

sortable.min.js

1003 ms

style.css

style.css

918 ms

slider.min.js

slider.min.js

927 ms

spinner.min.js

spinner.min.js

930 ms

tooltip.min.js

tooltip.min.js

913 ms

tabs.min.js

tabs.min.js

905 ms

effect.min.js

effect.min.js

845 ms

effect-blind.min.js

effect-blind.min.js

831 ms

effect-bounce.min.js

effect-bounce.min.js

857 ms

effect-clip.min.js

effect-clip.min.js

867 ms

effect-drop.min.js

effect-drop.min.js

836 ms

effect-explode.min.js

effect-explode.min.js

812 ms

effect-fade.min.js

effect-fade.min.js

807 ms

effect-fold.min.js

effect-fold.min.js

843 ms

effect-highlight.min.js

effect-highlight.min.js

829 ms

effect-pulsate.min.js

effect-pulsate.min.js

804 ms

effect-size.min.js

effect-size.min.js

787 ms

effect-scale.min.js

effect-scale.min.js

790 ms

effect-shake.min.js

effect-shake.min.js

805 ms

effect-slide.min.js

effect-slide.min.js

796 ms

effect-transfer.min.js

effect-transfer.min.js

781 ms

doubletaptogo.js

doubletaptogo.js

772 ms

modernizr.min.js

modernizr.min.js

758 ms

jquery.appear.js

jquery.appear.js

743 ms

hoverIntent.min.js

hoverIntent.min.js

769 ms

jquery.prettyPhoto.js

jquery.prettyPhoto.js

769 ms

mediaelement-and-player.min.js

mediaelement-and-player.min.js

753 ms

mediaelement-migrate.min.js

mediaelement-migrate.min.js

735 ms

wp-mediaelement.min.js

wp-mediaelement.min.js

744 ms

jquery.waitforimages.js

jquery.waitforimages.js

778 ms

jquery.form.min.js

jquery.form.min.js

772 ms

waypoints.min.js

waypoints.min.js

758 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

739 ms

jquery.mousewheel.min.js

jquery.mousewheel.min.js

745 ms

jquery.isotope.min.js

jquery.isotope.min.js

781 ms

skrollr.js

skrollr.js

773 ms

TweenLite.min.js

TweenLite.min.js

761 ms

ScrollToPlugin.min.js

ScrollToPlugin.min.js

742 ms

smoothPageScroll.min.js

smoothPageScroll.min.js

854 ms

default_dynamic_callback.php

default_dynamic_callback.php

1673 ms

default.min.js

default.min.js

836 ms

comment-reply.min.js

comment-reply.min.js

821 ms

js_composer_front.min.js

js_composer_front.min.js

803 ms

qode-like.min.js

qode-like.min.js

761 ms

logo-blickwechseln.png

logo-blickwechseln.png

215 ms

logo.png

logo.png

133 ms

logo_black.png

logo_black.png

134 ms

index-slider-bg.jpg

index-slider-bg.jpg

134 ms

dummy.png

dummy.png

214 ms

index-block-left-1.jpg

index-block-left-1.jpg

323 ms

31424_Mathematisches-Denken_Cover-Layout-1.jpg

31424_Mathematisches-Denken_Cover-Layout-1.jpg

323 ms

bg-green.jpg

bg-green.jpg

201 ms

bg-box-1.png

bg-box-1.png

239 ms

bg-box-2.png

bg-box-2.png

272 ms

bg-box-3.png

bg-box-3.png

301 ms

OpenSans-Regular.woff

OpenSans-Regular.woff

529 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

454 ms

OpenSans-SemiBold.woff

OpenSans-SemiBold.woff

454 ms

OpenSans-Medium.woff

OpenSans-Medium.woff

457 ms

Accessibility Review

blickwechseln.de accessibility score

80

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

blickwechseln.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

blickwechseln.de SEO score

100

Search Engine Optimization Advices

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

    N/A

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blickwechseln.de can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is German. Our system also found out that Blickwechseln.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

blickwechseln.de

Open Graph data is detected on the main page of Blickwechseln. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: