Tools & Wizards About Us
knauber-energie.de screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 73

    SEO

    Google-friendlier than
    31% of websites

knauber-energie.de

Knauber Energie Bonn – Energieversorger, NRW, Rheinland-Pfalz, Deutschland

Page Load Speed

3.3 sec in total

First Response

322 ms

Resources Loaded

2.8 sec

Page Rendered

167 ms

knauber-energie.de screenshot

About Website

Welcome to knauber-energie.de homepage info - get ready to check Knauber Energie best content right away, or after learning these important things about knauber-energie.de

Ihr regionaler Energieversorger mit umfassendem Energie-Sortiment, persönlichem Service und Kundennähe. Knauber Energie aus Bonn.

Visit knauber-energie.de

Key Findings

We analyzed Knauber-energie.de page load time and found that the first response time was 322 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

knauber-energie.de performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value5.7 s

50/100

10%

TBT (Total Blocking Time)

Value140 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value1.063

2/100

15%

TTI (Time to Interactive)

Value5.1 s

75/100

10%

Network Requests Diagram

knauber-energie.de

322 ms

www.knauber-energie.de

542 ms

dd82474708.js

104 ms

jquery-1.10.2.js

416 ms

jquery.cycle2.js

295 ms

Our browser made a total of 79 requests to load all elements on the main page. We found that 85% of them (67 requests) were addressed to the original Knauber-energie.de, 13% (10 requests) were made to Use.typekit.net and 1% (1 request) were made to Knauber-emobilitaet.de. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Knauber-energie.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 152.2 kB (4%)

Content Size

3.9 MB

After Optimization

3.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Knauber-energie.de main page is 3.9 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. 45% of websites need less resources to load. Images take 3.7 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 41.4 kB

  • Original 52.4 kB
  • After minification 49.2 kB
  • After compression 10.9 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 41.4 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 59.6 kB

  • Original 3.7 MB
  • After minification 3.6 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. Knauber Energie images are well optimized though.

JavaScript Optimization

-42%

Potential reduce by 47.3 kB

  • Original 112.3 kB
  • After minification 112.3 kB
  • After compression 64.9 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 47.3 kB or 42% of the original size.

CSS Optimization

-15%

Potential reduce by 3.9 kB

  • Original 26.3 kB
  • After minification 26.3 kB
  • After compression 22.4 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. Knauber-energie.de needs all CSS files to be minified and compressed as it can save up to 3.9 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (11%)

Requests Now

61

After Optimization

54

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Knauber Energie. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

knauber-energie.de

knauber-energie.de

322 ms

www.knauber-energie.de

www.knauber-energie.de

542 ms

dd82474708.js

dd82474708.js

104 ms

jquery-1.10.2.js

jquery-1.10.2.js

416 ms

jquery.cycle2.js

jquery.cycle2.js

295 ms

jquery.validate.js

jquery.validate.js

292 ms

functions.js

functions.js

294 ms

kya2ubo.js

kya2ubo.js

74 ms

banner.js

banner.js

302 ms

cc_us.js

cc_us.js

304 ms

reset.css

reset.css

392 ms

structure.css

structure.css

492 ms

index.php

index.php

1189 ms

car_ctrl_links.png

car_ctrl_links.png

107 ms

car_ctrl_rechts.png

car_ctrl_rechts.png

105 ms

100ProzentKnauber.png

100ProzentKnauber.png

105 ms

button_menu.png

button_menu.png

104 ms

Karte-260x205.png

Karte-260x205.png

304 ms

t_menu_knauber_tankpool24-karte.png

t_menu_knauber_tankpool24-karte.png

193 ms

t_menu_knauber_treibgas.png

t_menu_knauber_treibgas.png

298 ms

Waschen_Produktbild_Slider-knauber-energie.de_Key-Visual-Waschen-0723_922x543_01.jpg

Waschen_Produktbild_Slider-knauber-energie.de_Key-Visual-Waschen-0723_922x543_01.jpg

588 ms

230525_KNA_23_016_Sommerkampagne_Waermeenergie_922x544px_01.jpg

230525_KNA_23_016_Sommerkampagne_Waermeenergie_922x544px_01.jpg

1011 ms

Unternehmenskommunikation_Produktbild_Nachhaltigkeitsbericht2022-1_922x544_01.jpg

Unternehmenskommunikation_Produktbild_Nachhaltigkeitsbericht2022-1_922x544_01.jpg

307 ms

230525_KNA_23_016_Sommerkampagne_KlimaDiesel_922x544px_mirr.jpg

230525_KNA_23_016_Sommerkampagne_KlimaDiesel_922x544px_mirr.jpg

1061 ms

230525_KNA_23_016_Sommerkampagne_LNG_922x544px_01.jpg

230525_KNA_23_016_Sommerkampagne_LNG_922x544px_01.jpg

970 ms

E-Mob_Headerslider_Keyvisual_Schattenherz-energie.de_922x544_72.jpg

E-Mob_Headerslider_Keyvisual_Schattenherz-energie.de_922x544_72.jpg

604 ms

icon_back.png

icon_back.png

409 ms

icon_next.png

icon_next.png

512 ms

icon_news.png

icon_news.png

614 ms

background_tannenzweige_schnee.jpg

background_tannenzweige_schnee.jpg

746 ms

background_schnee_weihnachtsbaum.jpg

background_schnee_weihnachtsbaum.jpg

871 ms

shadow_links.png

shadow_links.png

656 ms

shadow_rechts.png

shadow_rechts.png

759 ms

toptrenn_links.png

toptrenn_links.png

819 ms

car_logo_heizoel_sw.png

car_logo_heizoel_sw.png

870 ms

car_logo_erdgas_sw.png

car_logo_erdgas_sw.png

917 ms

car_logo_pellets_sw.png

car_logo_pellets_sw.png

978 ms

car_logo_flaschengas_sw.png

car_logo_flaschengas_sw.png

977 ms

topnav_fill_grau.png

topnav_fill_grau.png

1005 ms

topnav_button_links_grau.png

topnav_button_links_grau.png

1013 ms

topnav_trenner_grau.png

topnav_trenner_grau.png

1051 ms

grey_button_back.png

grey_button_back.png

1076 ms

topnav_button_rechts_grau.png

topnav_button_rechts_grau.png

1077 ms

visual_schraffur.png

visual_schraffur.png

1095 ms

E-Mobilitaet_Produktbild__Contentbox_KeyvisualTHGQuote_282x180_72.jpg

E-Mobilitaet_Produktbild__Contentbox_KeyvisualTHGQuote_282x180_72.jpg

1101 ms

220628_KNA_22_021_Sommerkampagne_Bildmotiv_282x180_3.jpg

220628_KNA_22_021_Sommerkampagne_Bildmotiv_282x180_3.jpg

1110 ms

Teaser-Gas2Go-282x180.jpg

Teaser-Gas2Go-282x180.jpg

1153 ms

KnauberProKlima-klimafreundlicheWebsite_g.png

KnauberProKlima-klimafreundlicheWebsite_g.png

1176 ms

linkfooterlogo.png

linkfooterlogo.png

1149 ms

d

d

3 ms

d

d

58 ms

d

d

30 ms

d

d

26 ms

d

d

50 ms

linkfooterlogo1.png

linkfooterlogo1.png

1155 ms

border_dashed.png

border_dashed.png

1160 ms

linkfooterlogo2.png

linkfooterlogo2.png

1168 ms

linkfooterlogo3.png

linkfooterlogo3.png

1215 ms

logo_tuev.png

logo_tuev.png

1150 ms

logo_tuev_cert.png

logo_tuev_cert.png

1048 ms

shadow.png

shadow.png

417 ms

ribbon_dropshadow.png

ribbon_dropshadow.png

406 ms

bulge.png

bulge.png

417 ms

confetti_01.png

confetti_01.png

418 ms

confetti_02.png

confetti_02.png

430 ms

confetti_03.png

confetti_03.png

433 ms

confetti_04.png

confetti_04.png

474 ms

d

d

3 ms

d

d

11 ms

d

d

16 ms

d

d

22 ms

p.gif

p.gif

28 ms

shadow.png

shadow.png

175 ms

ribbon_dropshadow.png

ribbon_dropshadow.png

146 ms

bulge.png

bulge.png

144 ms

confetti_01.png

confetti_01.png

196 ms

confetti_02.png

confetti_02.png

206 ms

confetti_03.png

confetti_03.png

206 ms

confetti_04.png

confetti_04.png

170 ms

Accessibility Review

knauber-energie.de accessibility score

71

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

knauber-energie.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

SEO Factors

knauber-energie.de SEO score

73

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

High

robots.txt is not valid

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Knauber-energie.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 Knauber-energie.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

knauber-energie.de

Open Graph description is not detected on the main page of Knauber Energie. 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: