Tools & Wizards About Us

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

centric.de

Centric - professioneller Kameraverleih und Anbieter von Medienduplikationen

Page Load Speed

1.7 sec in total

First Response

202 ms

Resources Loaded

1.4 sec

Page Rendered

120 ms

About Website

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

Centric ist Ihr professioneller Kameraverleih und Anbieter von Medienduplikationen in Hamburg. Verleih von Kamera- und Videequipment, CD-, DVD-Kopien und Massenpressungen.

Visit centric.de

Key Findings

We analyzed Centric.de page load time and found that the first response time was 202 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

centric.de performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

17/100

25%

SI (Speed Index)

Value9.3 s

13/100

10%

TBT (Total Blocking Time)

Value1,240 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.099

90/100

15%

TTI (Time to Interactive)

Value12.6 s

14/100

10%

Network Requests Diagram

centric.de

202 ms

cookieconsent.min.css

14 ms

cookieconsent.min.js

25 ms

prototype.js

192 ms

scriptaculous.js

186 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 67% of them (29 requests) were addressed to the original Centric.de, 12% (5 requests) were made to Youtube.com and 5% (2 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (477 ms) belongs to the original domain Centric.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 59.6 kB (12%)

Content Size

490.0 kB

After Optimization

430.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Centric.de main page is 490.0 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. 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. Javascripts take 225.3 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 14.7 kB

  • Original 19.6 kB
  • After minification 17.4 kB
  • After compression 4.9 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. This page needs HTML code to be minified as it can gain 2.2 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 14.7 kB or 75% of the original size.

Image Optimization

-12%

Potential reduce by 20.2 kB

  • Original 173.0 kB
  • After minification 152.9 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, Centric needs image optimization as it can save up to 20.2 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

-8%

Potential reduce by 17.6 kB

  • Original 225.3 kB
  • After minification 225.0 kB
  • After compression 207.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-10%

Potential reduce by 7.1 kB

  • Original 72.1 kB
  • After minification 67.7 kB
  • After compression 65.0 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. Centric.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 25 (64%)

Requests Now

39

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centric. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

centric.de accessibility score

74

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

centric.de best practices score

67

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

High

Page has valid source maps

SEO Factors

centric.de SEO score

75

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 Centric.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 Centric.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 Centric. 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: