Tools & Wizards About Us
kotel.de screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

kotel.de

Handyvertrag: Günstiges Handy mit Vertrag » Kotel.de

Page Load Speed

10.5 sec in total

First Response

238 ms

Resources Loaded

9.5 sec

Page Rendered

711 ms

kotel.de screenshot

About Website

Click here to check amazing Kotel content for Germany. Otherwise, check out these important facts you probably never knew about kotel.de

Handyverträge mit Telekom und Vodafone Handytarifen » von Kotel.de - Ihr Handyshop Experte für günstige Handytarif ✓ Handy mit Vertrag ✓ Handy Bundle.

Visit kotel.de

Key Findings

We analyzed Kotel.de page load time and found that the first response time was 238 ms and then it took 10.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

kotel.de performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value8.2 s

2/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value610 ms

48/100

30%

CLS (Cumulative Layout Shift)

Value0.385

27/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

kotel.de

238 ms

www.kotel.de

210 ms

www.kotel.de

4118 ms

qOv0ORYX9vJvTuxwTBU29NkXOtI.js

18 ms

style.css

592 ms

Our browser made a total of 101 requests to load all elements on the main page. We found that 84% of them (85 requests) were addressed to the original Kotel.de, 10% (10 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (4.1 sec) belongs to the original domain Kotel.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 104.4 kB (6%)

Content Size

1.8 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kotel.de main page is 1.8 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. 55% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 80.6 kB

  • Original 115.4 kB
  • After minification 115.1 kB
  • After compression 34.8 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 80.6 kB or 70% of the original size.

Image Optimization

-1%

Potential reduce by 11.7 kB

  • Original 1.4 MB
  • After minification 1.4 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. Kotel images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.3 kB

  • Original 175.3 kB
  • After minification 175.3 kB
  • After compression 174.0 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

-9%

Potential reduce by 10.8 kB

  • Original 126.2 kB
  • After minification 126.2 kB
  • After compression 115.4 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. Kotel.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 17 (30%)

Requests Now

56

After Optimization

39

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kotel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kotel.de

kotel.de

238 ms

www.kotel.de

www.kotel.de

210 ms

www.kotel.de

www.kotel.de

4118 ms

qOv0ORYX9vJvTuxwTBU29NkXOtI.js

qOv0ORYX9vJvTuxwTBU29NkXOtI.js

18 ms

style.css

style.css

592 ms

style.min.css

style.min.css

410 ms

styles.css

styles.css

414 ms

css

css

67 ms

style.css

style.css

418 ms

css

css

69 ms

dashicons.min.css

dashicons.min.css

539 ms

jquery.js

jquery.js

527 ms

jquery-migrate.min.js

jquery-migrate.min.js

787 ms

recaptcha.js

recaptcha.js

808 ms

et-divi-customizer-global-17138584007452.min.css

et-divi-customizer-global-17138584007452.min.css

795 ms

email-decode.min.js

email-decode.min.js

522 ms

view.asp

view.asp

252 ms

scripts.js

scripts.js

941 ms

custom.unified.js

custom.unified.js

1187 ms

common.js

common.js

1001 ms

wp-embed.min.js

wp-embed.min.js

1274 ms

analytics.js

analytics.js

27 ms

collect

collect

16 ms

js

js

69 ms

logo.png

logo.png

569 ms

icon1.png

icon1.png

542 ms

icon2.png

icon2.png

540 ms

icon3.png

icon3.png

543 ms

icon4.png

icon4.png

545 ms

Ebene-14.png

Ebene-14.png

527 ms

Fotolia_95948988_Subscription_XL.png

Fotolia_95948988_Subscription_XL.png

809 ms

Fotolia_63858177_Subscription_XL.png

Fotolia_63858177_Subscription_XL.png

839 ms

Ebene-15.png

Ebene-15.png

829 ms

Fotolia_87698767_Subscription_XXL.png

Fotolia_87698767_Subscription_XXL.png

852 ms

Ebene-16.png

Ebene-16.png

851 ms

Ebene-182323.png

Ebene-182323.png

875 ms

Ebene-18888.png

Ebene-18888.png

1182 ms

Ebene-18.png

Ebene-18.png

1220 ms

zoozzy1.png

zoozzy1.png

1212 ms

Joerg-Kohlbauer2.jpg

Joerg-Kohlbauer2.jpg

1227 ms

Silke-Wittling1.jpg

Silke-Wittling1.jpg

1243 ms

Elvert-Petra1.jpg

Elvert-Petra1.jpg

1264 ms

Zorn-Tina1.jpg

Zorn-Tina1.jpg

1584 ms

Fritz-Annegret1.jpg

Fritz-Annegret1.jpg

1600 ms

Hartman-Tizian1.jpg

Hartman-Tizian1.jpg

1611 ms

icon17.png

icon17.png

1616 ms

icon15.png

icon15.png

1615 ms

icon142.png

icon142.png

1674 ms

icon23.png

icon23.png

1974 ms

icon18.png

icon18.png

1989 ms

bg_62.jpg

bg_62.jpg

538 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

22 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

38 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

49 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

49 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

48 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf

49 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

48 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

46 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4gaVc.ttf

65 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4uaVc.ttf

65 ms

modules.ttf

modules.ttf

506 ms

top_bg.jpg

top_bg.jpg

1479 ms

bg_2_m.jpg

bg_2_m.jpg

1473 ms

bg_3.1_m.jpg

bg_3.1_m.jpg

1472 ms

bg_4_m.jpg

bg_4_m.jpg

1526 ms

Phones1.jpg

Phones1.jpg

1844 ms

newsletter_bg.jpg

newsletter_bg.jpg

1857 ms

ajax-loader.gif

ajax-loader.gif

380 ms

Ebene-14.png

Ebene-14.png

501 ms

icon2.png

icon2.png

433 ms

icon1.png

icon1.png

384 ms

icon3.png

icon3.png

415 ms

logo.png

logo.png

391 ms

icon4.png

icon4.png

760 ms

Fotolia_95948988_Subscription_XL.png

Fotolia_95948988_Subscription_XL.png

701 ms

Ebene-15.png

Ebene-15.png

668 ms

Fotolia_63858177_Subscription_XL.png

Fotolia_63858177_Subscription_XL.png

676 ms

Ebene-16.png

Ebene-16.png

500 ms

Fotolia_87698767_Subscription_XXL.png

Fotolia_87698767_Subscription_XXL.png

735 ms

Ebene-182323.png

Ebene-182323.png

945 ms

Ebene-18888.png

Ebene-18888.png

584 ms

zoozzy1.png

zoozzy1.png

934 ms

Ebene-18.png

Ebene-18.png

780 ms

Joerg-Kohlbauer2.jpg

Joerg-Kohlbauer2.jpg

781 ms

Silke-Wittling1.jpg

Silke-Wittling1.jpg

811 ms

Elvert-Petra1.jpg

Elvert-Petra1.jpg

916 ms

Zorn-Tina1.jpg

Zorn-Tina1.jpg

730 ms

Fritz-Annegret1.jpg

Fritz-Annegret1.jpg

2518 ms

Hartman-Tizian1.jpg

Hartman-Tizian1.jpg

793 ms

icon15.png

icon15.png

2058 ms

icon17.png

icon17.png

926 ms

icon142.png

icon142.png

891 ms

icon23.png

icon23.png

720 ms

icon18.png

icon18.png

810 ms

bg_3.1_m.jpg

bg_3.1_m.jpg

1109 ms

bg_2_m.jpg

bg_2_m.jpg

970 ms

top_bg.jpg

top_bg.jpg

1382 ms

bg_4_m.jpg

bg_4_m.jpg

1033 ms

Phones1.jpg

Phones1.jpg

1001 ms

newsletter_bg.jpg

newsletter_bg.jpg

1390 ms

Accessibility Review

kotel.de accessibility score

87

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

kotel.de best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

kotel.de SEO score

100

Search Engine Optimization Advices

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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

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

kotel.de

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