Tools & Wizards About Us
tanz-nrw-17.de screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 87

    SEO

    Google-friendlier than
    65% of websites

tanz-nrw-17.de

Ihre Tanzschule in Düsseldorf (40213 - 40629) finden

Page Load Speed

23.1 sec in total

First Response

718 ms

Resources Loaded

21.9 sec

Page Rendered

474 ms

tanz-nrw-17.de screenshot

About Website

Welcome to tanz-nrw-17.de homepage info - get ready to check Tanz Nrw 17 best content right away, or after learning these important things about tanz-nrw-17.de

Sie benötigen eine Tanzschule in Düsseldorf? ✅ Egal ob Anfänger oder Fortgeschrittener, bei uns sind Sie richtig ✅ Sie möchten sich mit Tanzen ein neues Hobby suchen? Dann besuchen Sie Ihre Tanzschule...

Visit tanz-nrw-17.de

Key Findings

We analyzed Tanz-nrw-17.de page load time and found that the first response time was 718 ms and then it took 22.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 3 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

tanz-nrw-17.de performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

9/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value3,530 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value20.5 s

2/100

10%

Network Requests Diagram

718 ms

adsbygoogle.js

57 ms

pub-3573946053830345

111 ms

pub-3573946053830345

108 ms

show_ads_impl.js

115 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Tanz-nrw-17.de, 10% (9 requests) were made to Googleads.g.doubleclick.net and 10% (9 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source Ir-de.amazon-adsystem.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 942.0 kB (40%)

Content Size

2.3 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tanz-nrw-17.de main page is 2.3 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. Only a small number of websites need less resources to load. Javascripts take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 85.0 kB

  • Original 113.9 kB
  • After minification 112.7 kB
  • After compression 28.8 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 85.0 kB or 75% of the original size.

Image Optimization

-44%

Potential reduce by 457.3 kB

  • Original 1.0 MB
  • After minification 577.4 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, Tanz Nrw 17 needs image optimization as it can save up to 457.3 kB or 44% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-36%

Potential reduce by 395.6 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 696.8 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 395.6 kB or 36% of the original size.

CSS Optimization

-4%

Potential reduce by 4.0 kB

  • Original 107.7 kB
  • After minification 107.2 kB
  • After compression 103.7 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. Tanz-nrw-17.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 52 (68%)

Requests Now

76

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tanz Nrw 17. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

718 ms

adsbygoogle.js

adsbygoogle.js

57 ms

pub-3573946053830345

pub-3573946053830345

111 ms

pub-3573946053830345

pub-3573946053830345

108 ms

show_ads_impl.js

show_ads_impl.js

115 ms

style.min.css

style.min.css

158 ms

screen.min.css

screen.min.css

221 ms

font-awesome.min.css

font-awesome.min.css

321 ms

style.css

style.css

325 ms

flash-fonts.css

flash-fonts.css

320 ms

style.css

style.css

323 ms

responsive.min.css

responsive.min.css

329 ms

jquery.min.js

jquery.min.js

332 ms

jquery-migrate.min.js

jquery-migrate.min.js

425 ms

si_captcha.js

si_captcha.js

429 ms

feedzy-rss-feeds.css

feedzy-rss-feeds.css

462 ms

shortcodes.css

shortcodes.css

461 ms

front.min.js

front.min.js

462 ms

jquery.nav.min.js

jquery.nav.min.js

463 ms

flash.min.js

flash.min.js

553 ms

skip-link-focus-fix.js

skip-link-focus-fix.js

553 ms

frontend.min.js

frontend.min.js

553 ms

ga.js

ga.js

71 ms

q

q

32 ms

ir

ir

20467 ms

q

q

31 ms

q

q

31 ms

tanzschule-und-tanzkurs-hintergrund.jpg

tanzschule-und-tanzkurs-hintergrund.jpg

852 ms

logo-tanzschule.png

logo-tanzschule.png

124 ms

tanzschule-tanzkurs-header.png

tanzschule-tanzkurs-header.png

577 ms

tanzschule-19-300x225.jpg

tanzschule-19-300x225.jpg

468 ms

rating_on.gif

rating_on.gif

247 ms

ir

ir

20465 ms

ir

ir

20465 ms

zrt_lookup.html

zrt_lookup.html

52 ms

ads

ads

618 ms

ads

ads

495 ms

__utm.gif

__utm.gif

21 ms

AaG4dHJoFBU

AaG4dHJoFBU

130 ms

feedzy.svg

feedzy.svg

130 ms

ads

ads

816 ms

ads

ads

534 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

369 ms

embed

embed

507 ms

ads

ads

615 ms

www-player.css

www-player.css

17 ms

www-embed-player.js

www-embed-player.js

37 ms

base.js

base.js

65 ms

embed.js

embed.js

89 ms

444604e78ca73015217834c7b910356d.js

444604e78ca73015217834c7b910356d.js

283 ms

load_preloaded_resource.js

load_preloaded_resource.js

282 ms

871e6652be53811fc75f968251dcc8ef.js

871e6652be53811fc75f968251dcc8ef.js

324 ms

abg_lite.js

abg_lite.js

323 ms

window_focus.js

window_focus.js

385 ms

qs_click_protection.js

qs_click_protection.js

385 ms

ufs_web_display.js

ufs_web_display.js

155 ms

2bbefa48e780f0171741373010dbd4b2.js

2bbefa48e780f0171741373010dbd4b2.js

384 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

287 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

381 ms

reactive_library.js

reactive_library.js

228 ms

ca-pub-3573946053830345

ca-pub-3573946053830345

263 ms

js

js

326 ms

ads

ads

424 ms

Create

Create

128 ms

icon.png

icon.png

87 ms

s

s

140 ms

search.js

search.js

88 ms

geometry.js

geometry.js

163 ms

main.js

main.js

174 ms

shopping

shopping

305 ms

feedback_grey600_24dp.png

feedback_grey600_24dp.png

84 ms

fullscreen_api_adapter.js

fullscreen_api_adapter.js

80 ms

interstitial_ad_frame.js

interstitial_ad_frame.js

85 ms

GenerateIT

GenerateIT

239 ms

settings_grey600_24dp.png

settings_grey600_24dp.png

87 ms

9847c68ce3d6563a9f07119afe53480f.js

9847c68ce3d6563a9f07119afe53480f.js

84 ms

css

css

174 ms

14763004658117789537

14763004658117789537

154 ms

12871120528286364022

12871120528286364022

155 ms

css

css

106 ms

css

css

77 ms

activeview

activeview

85 ms

M3wb6Cd7vtj7C-F6LRKga9uye_tTOdO4SICydejC-uA.js

M3wb6Cd7vtj7C-F6LRKga9uye_tTOdO4SICydejC-uA.js

57 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpy8.woff

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpy8.woff

49 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpy8.woff

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpy8.woff

49 ms

activeview

activeview

75 ms

activeview

activeview

63 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVQ.woff

14 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

14 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVQ.woff

31 ms

ea8FacM9Wef3EJPWRrHjgE4B6CnlZxHVDv79pw.woff

ea8FacM9Wef3EJPWRrHjgE4B6CnlZxHVDv79pw.woff

29 ms

ea8IacM9Wef3EJPWRrHjgE4B6CnlZxHVBg3etBD7Sg.woff

ea8IacM9Wef3EJPWRrHjgE4B6CnlZxHVBg3etBD7Sg.woff

30 ms

log_event

log_event

15 ms

Accessibility Review

tanz-nrw-17.de accessibility score

86

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

tanz-nrw-17.de best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

tanz-nrw-17.de SEO score

87

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tanz-nrw-17.de can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed German language. Our system also found out that Tanz-nrw-17.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

tanz-nrw-17.de

Open Graph data is detected on the main page of Tanz Nrw 17. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: