Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

centrum-club.de

..:: CENTRUM CLUB - ENDE 1999 - 2016 ::..

Page Load Speed

1.5 sec in total

First Response

347 ms

Resources Loaded

1 sec

Page Rendered

167 ms

centrum-club.de screenshot

About Website

Click here to check amazing CENTRUM CLUB content. Otherwise, check out these important facts you probably never knew about centrum-club.de

Die erste Adresse in Erfurt, für Nachtschwärmer und Partypeople.

Visit centrum-club.de

Key Findings

We analyzed Centrum-club.de page load time and found that the first response time was 347 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

centrum-club.de performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

95/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value1.6 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

Network Requests Diagram

centrum-club.de

347 ms

screen.css

103 ms

lightbox.css

190 ms

jquery-1.4.2.js

188 ms

swfobject.js

191 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that 83% of them (15 requests) were addressed to the original Centrum-club.de, 11% (2 requests) were made to Google-analytics.com and 6% (1 request) were made to Maps.google.com. The less responsive or slowest element that took the longest time to load (347 ms) belongs to the original domain Centrum-club.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 18.5 kB (17%)

Content Size

109.6 kB

After Optimization

91.1 kB

In fact, the total size of Centrum-club.de main page is 109.6 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Images take 87.4 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 6.3 kB

  • Original 9.9 kB
  • After minification 8.8 kB
  • After compression 3.6 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. This page needs HTML code to be minified as it can gain 1.1 kB, which is 11% 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 6.3 kB or 64% of the original size.

Image Optimization

-8%

Potential reduce by 7.4 kB

  • Original 87.4 kB
  • After minification 80.1 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. CENTRUM CLUB images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 971 B

  • Original 6.8 kB
  • After minification 6.8 kB
  • After compression 5.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 971 B or 14% of the original size.

CSS Optimization

-71%

Potential reduce by 3.9 kB

  • Original 5.5 kB
  • After minification 4.5 kB
  • After compression 1.6 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. Centrum-club.de needs all CSS files to be minified and compressed as it can save up to 3.9 kB or 71% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

14

After Optimization

14

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CENTRUM CLUB. According to our analytics all requests are already optimized.

Accessibility Review

centrum-club.de accessibility score

84

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

centrum-club.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

SEO Factors

centrum-club.de SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Centrum-club.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 Centrum-club.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

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