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name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value29.4 s

0/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value680 ms

43/100

30%

CLS (Cumulative Layout Shift)

Value0.042

99/100

15%

TTI (Time to Interactive)

Value8.5 s

38/100

10%

klaas.com

312 ms

www.klaas.com

1627 ms

style.css

482 ms

main.css

197 ms

style.css

198 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 85% of them (50 requests) were addressed to the original Klaas.com, 5% (3 requests) were made to Ajax.googleapis.com and 3% (2 requests) were made to Staticxx.facebook.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Klaas.com.

Content Size

862.2 kB

After Optimization

478.2 kB

In fact, the total size of Klaas.com main page is 862.2 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. 35% of websites need less resources to load. Javascripts take 436.1 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 34.6 kB

Original 44.1 kB
After minification 40.9 kB
After compression 9.4 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 34.6 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 5.9 kB

Original 327.8 kB
After minification 321.9 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. Klaas images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 298.7 kB

Original 436.1 kB
After minification 410.3 kB
After compression 137.4 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 298.7 kB or 68% of the original size.

CSS Optimization

-82%

Potential reduce by 44.7 kB

Original 54.2 kB
After minification 40.2 kB
After compression 9.5 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. Klaas.com needs all CSS files to be minified and compressed as it can save up to 44.7 kB or 82% of the original size.

Requests Now

After Optimization

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Klaas. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[role] values are not valid

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 semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Links do not have a discernible name

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

High

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

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links do not have descriptive text

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

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 Klaas.com 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 Klaas.com 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

klaas.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Home - Klaas - Anhängerkrane, Autokrane, Möbelaufzüge, Bauaufzüge, Feuerwehr Löscharme und Bühnen, Hubarbeitsbühnen

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

klaas.com

www.klaas.com

style.css

main.css

style.css

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

klaas.com

www.klaas.com

style.css

main.css

style.css

style.php

styles.css

meteor-slides.css

colorbox.css

jquery.min.js

jquery.imagepreloader.js

site.js

tiny_mce.js

wp-langs-de.js

comment-reply.min.js

GTTabs.js

jquery.cycle.all.min.js

jquery.metadata.v2.js

slideshow.js

AC_RunActiveContent.js

flowplayer.css

flowplayer.min.js

checkvideo.js

tw-sack.min.js

mtli_str_replace.js

jquery.min.js

jquery-ui.min.js

ga_social_tracking.js

jquery.ui.core.min.js

jquery.ui.widget.min.js

jquery.ui.tabs.min.js

jquery.form.min.js

scripts.js

jquery.colorbox.1.3.32.js

bg1.png

Klaas1.png

K40-48TFR_Slider.jpg

K30-37TSR_Slider.jpg

K23-33TSR_Slider.jpg

anhaengerkran-hell.jpg

autokran-hell.jpg

moebelaufzug-hell.jpg

bauaufzug-hell.jpg