Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

citykom.de

1&1 Versatel: B2B-Anbieter für Glasfaser-Internet, Telefon & Vernetzung | 1&1 Versatel

Page Load Speed

8.6 sec in total

First Response

421 ms

Resources Loaded

7.2 sec

Page Rendered

905 ms

citykom.de screenshot

About Website

Welcome to citykom.de homepage info - get ready to check Citykom best content right away, or after learning these important things about citykom.de

Auf Basis eines der leistungsfähigsten Glasfasernetze bietet 1&1 Versatel Geschäftskunden umfassende Telekommunikationslösungen. Jetzt informieren!

Visit citykom.de

Key Findings

We analyzed Citykom.de page load time and found that the first response time was 421 ms and then it took 8.1 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

citykom.de performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

30/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value300 ms

78/100

30%

CLS (Cumulative Layout Shift)

Value0.064

97/100

15%

TTI (Time to Interactive)

Value6.2 s

62/100

10%

Network Requests Diagram

citykom.de

421 ms

www.1und1.net

2828 ms

eu_cookie_compliance.script.js

301 ms

css_CQ_qrfsvaF42m2-xrgsT2UBBsDxixywggNUmJBRHYis.css

313 ms

css_t9jQAP9u_2talDE1f8zaoM2JceExgxtPsHqHa4guTzk.css

1516 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Citykom.de, 97% (35 requests) were made to 1und1.net. The less responsive or slowest element that took the longest time to load (3.7 sec) relates to the external source 1und1.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 432.7 kB (21%)

Content Size

2.0 MB

After Optimization

1.6 MB

In fact, the total size of Citykom.de main page is 2.0 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 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 92.7 kB

  • Original 114.7 kB
  • After minification 102.6 kB
  • After compression 22.0 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 12.1 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 92.7 kB or 81% of the original size.

Image Optimization

-9%

Potential reduce by 140.0 kB

  • Original 1.6 MB
  • After minification 1.5 MB

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. Citykom images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 198.4 kB

  • Original 288.0 kB
  • After minification 287.8 kB
  • After compression 89.5 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 198.4 kB or 69% of the original size.

CSS Optimization

-6%

Potential reduce by 1.6 kB

  • Original 25.1 kB
  • After minification 25.1 kB
  • After compression 23.4 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. Citykom.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (29%)

Requests Now

31

After Optimization

22

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Citykom. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

citykom.de accessibility score

96

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

Links do not have a discernible name

Best Practices

citykom.de best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

citykom.de SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Citykom.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 Citykom.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 Citykom. 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: