5.4 sec in total
371 ms
4.6 sec
478 ms
Welcome to nuzinger.de homepage info - get ready to check Nuzinger best content for Germany right away, or after learning these important things about nuzinger.de
Heidelbergs Tanzschule Nummer 1. Die Tanzschule in Heidelberg, Schriesheim und Neckargemünd! Tanzen erleben, Tanzen lernen leicht gemacht! Jetzt auch im neuen Tanzhaus Heidelberg!
Visit nuzinger.deWe analyzed Nuzinger.de page load time and found that the first response time was 371 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
nuzinger.de performance score
name
value
score
weighting
Value2.8 s
57/100
10%
Value9.9 s
0/100
25%
Value5.1 s
61/100
10%
Value0 ms
100/100
30%
Value0.643
9/100
15%
Value2.8 s
97/100
10%
371 ms
167 ms
547 ms
269 ms
1061 ms
Our browser made a total of 34 requests to load all elements on the main page. We found that all of those requests were addressed to Nuzinger.de and no external sources were called. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Nuzinger.de.
Page size can be reduced by 469.7 kB (32%)
1.5 MB
1.0 MB
In fact, the total size of Nuzinger.de main page is 1.5 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. 35% of websites need less resources to load. Images take 933.5 kB which makes up the majority of the site volume.
Potential reduce by 19.9 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 19.9 kB or 75% of the original size.
Potential reduce by 72.5 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. Nuzinger images are well optimized though.
Potential reduce by 272.4 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 272.4 kB or 67% of the original size.
Potential reduce by 104.9 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. Nuzinger.de needs all CSS files to be minified and compressed as it can save up to 104.9 kB or 87% of the original size.
Number of requests can be reduced by 6 (20%)
30
24
The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nuzinger. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
nuzinger.de
371 ms
167 ms
main.css
547 ms
modernizr-2.6.2.min.js
269 ms
main.js
1061 ms
gestures.js
385 ms
jquery.min.js
971 ms
domestos.js
609 ms
core.js
414 ms
nuzinger-logo.png
159 ms
mobilemenuicon.png
159 ms
close.gif
156 ms
aktion201601.jpg
425 ms
aktion201601_small.jpg
612 ms
Erwachsene1.jpg
718 ms
Jugend1.jpg
536 ms
Kinder2.jpg
714 ms
Erwachsene1.png
443 ms
Jugendliche1.png
1228 ms
Kinder2.png
591 ms
Kachel_Dine_and_Dance_02.04.16.png
671 ms
Kachel_Premierenball_Mai_2016.png
733 ms
Neue-Kurse-Jugend.jpg
749 ms
Kachel_Operation_Overnight_30.03.16.png
1483 ms
Facebook.jpg
851 ms
Google.jpg
852 ms
Instagram.jpg
865 ms
creadance.jpg
874 ms
zumba-logo-horizontal_grau.png
953 ms
adtv.jpg
952 ms
btnsearch.gif
958 ms
OpenSans-Regular-webfont.woff
960 ms
OpenSans-Bold-webfont.woff
1024 ms
piwik.js
1194 ms
nuzinger.de accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
Image elements do not have [alt] attributes
Links do not have a discernible name
nuzinger.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
nuzinger.de SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nuzinger.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 Nuzinger.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.
nuzinger.de
Open Graph description is not detected on the main page of Nuzinger. 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: