Access knauber-erdgas.de. ERDGAS von Knauber aus Bonn: Günstig - transparent

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value10.1 s

0/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.135

80/100

15%

TTI (Time to Interactive)

Value7.3 s

50/100

10%

knauber-erdgas.de

312 ms

www.knauber-erdgas.de

634 ms

dd82474708.js

191 ms

jquery-1.10.2.js

402 ms

jquery-ui.js

590 ms

Our browser made a total of 107 requests to load all elements on the main page. We found that 83% of them (89 requests) were addressed to the original Knauber-erdgas.de, 12% (13 requests) were made to Use.typekit.net and 4% (4 requests) were made to Knauber-energie.de. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Knauber-erdgas.de.

Content Size

1.3 MB

After Optimization

372.0 kB

In fact, the total size of Knauber-erdgas.de main page is 1.3 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. Javascripts take 824.1 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 110.9 kB

Original 135.2 kB
After minification 124.4 kB
After compression 24.4 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 110.9 kB or 82% of the original size.

Image Optimization

-24%

Potential reduce by 61.5 kB

Original 260.7 kB
After minification 199.2 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, Knauber ERDGAS needs image optimization as it can save up to 61.5 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-84%

Potential reduce by 690.3 kB

Original 824.1 kB
After minification 515.7 kB
After compression 133.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 690.3 kB or 84% of the original size.

CSS Optimization

-85%

Potential reduce by 81.3 kB

Original 95.9 kB
After minification 77.3 kB
After compression 14.7 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-erdgas.de needs all CSS files to be minified and compressed as it can save up to 81.3 kB or 85% of the original size.

Requests Now

After Optimization

The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Knauber ERDGAS. 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 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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

High

<html> element does not have a valid value for its [lang] attribute.

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.

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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/).

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-erdgas.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-erdgas.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-erdgas.de

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

Report Summary

Performance

Accessibility

Best Practices

SEO

ERDGAS von Knauber aus Bonn: Günstig - transparent - zuverlässig.

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

knauber-erdgas.de

www.knauber-erdgas.de

dd82474708.js

jquery-1.10.2.js

jquery-ui.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

knauber-erdgas.de

www.knauber-erdgas.de

dd82474708.js

jquery-1.10.2.js

jquery-ui.js

jquery.cycle2.js

jquery.cycle2.swipe.js

jquery.validate.js

functions.js

nyk8ulb.js

abtest.js

abtest.css

cc.js

reset.css

structure.css

blue.css

banner.js

background_herbst_oben.jpg

100ProzentKnauber.png

background_herbst_unten.jpg

shadow_links.png

shadow_rechts.png

toptrenn_links.png

car_ctrl_links.png

car_logo_pellets_sw.png

car_logo_heizoel_sw.png

car_logo_strom_sw.png

car_logo_flaschengas_sw.png

car_ctrl_rechts.png

logo_knauber_erdgas.png

erdgas_privat_active.png

logo_nav_sep.png

erdgas_geschaeftskunden_inactive.png

topnav_fill_grau.png

button_menu.png

topnav_button_links_grau.png

topnav_trenner_grau.png

Erdgas_Allgemein_Siegel_DeutscherServicepreis2024-hochkant0324_1181x2356_300.jpg

grey_button_back.png

topnav_button_rechts_grau.png

Key_Visual_ErdgasSicher_1024x400.jpg

Erdgas_HeaderHomepage_DISQ-Servicesiegel0223_1024x400_01.jpg

Key_Visual_Bio_Erdgas.jpg