Tools & Wizards About Us
keller-bau.de screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

keller-bau.de

KETONIA Spannbeton-Fertigteilwerk GmbH – von Einzelteilen bis Gesamtprojekten

Page Load Speed

6.7 sec in total

First Response

355 ms

Resources Loaded

5.4 sec

Page Rendered

890 ms

keller-bau.de screenshot

About Website

Click here to check amazing Keller Bau content. Otherwise, check out these important facts you probably never knew about keller-bau.de

Planung, Produktion, Lieferung und Montage von Betonfertigteilen für den Wohnungs-, Industrie-, Gewerbe- und Verwaltungsbau sowie für Parkhäuser. Spezialisiert haben wir uns auf den Bereich Spannbeton...

Visit keller-bau.de

Key Findings

We analyzed Keller-bau.de page load time and found that the first response time was 355 ms and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

keller-bau.de performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

41/100

25%

SI (Speed Index)

Value10.8 s

6/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.958

3/100

15%

TTI (Time to Interactive)

Value5.0 s

77/100

10%

Network Requests Diagram

ketonia.de

355 ms

ketonia.de

447 ms

www.ketonia.de

801 ms

reset.css

147 ms

swiper-bundle.min.css

277 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that all of those requests were addressed to Keller-bau.de and no external sources were called. The less responsive or slowest element that took the longest time to load (3 sec) relates to the external source Ketonia.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 642.2 kB (11%)

Content Size

6.0 MB

After Optimization

5.3 MB

  • HTML
  • Images

In fact, the total size of Keller-bau.de main page is 6.0 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. 30% of websites need less resources to load. Images take 5.9 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 29.1 kB

  • Original 36.9 kB
  • After minification 31.7 kB
  • After compression 7.8 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. This page needs HTML code to be minified as it can gain 5.2 kB, which is 14% 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 29.1 kB or 79% of the original size.

Image Optimization

-10%

Potential reduce by 613.0 kB

  • Original 5.9 MB
  • After minification 5.3 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. Keller Bau images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 19 (49%)

Requests Now

39

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Keller Bau. 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 CSS and as a result speed up the page load time.

Network Requests Diagram

ketonia.de

ketonia.de

355 ms

ketonia.de

ketonia.de

447 ms

www.ketonia.de

www.ketonia.de

801 ms

reset.css

reset.css

147 ms

swiper-bundle.min.css

swiper-bundle.min.css

277 ms

c3StyledContent.css

c3StyledContent.css

334 ms

hamburgers.min.css

hamburgers.min.css

333 ms

lightbox.min.css

lightbox.min.css

348 ms

c3kie.css

c3kie.css

363 ms

template.css

template.css

357 ms

style.css

style.css

395 ms

local.css

local.css

552 ms

recruiting.css

recruiting.css

490 ms

logo.png

logo.png

516 ms

shopping_cart.svg

shopping_cart.svg

512 ms

measure_icon.svg

measure_icon.svg

516 ms

csm_the_squaire_dba4cbecd5.jpg

csm_the_squaire_dba4cbecd5.jpg

1460 ms

merged-2151883c3997cb26fbf167deaf86c1a1-bd8b67d41aaa2da9e4ad11aabbf19bd6.js

merged-2151883c3997cb26fbf167deaf86c1a1-bd8b67d41aaa2da9e4ad11aabbf19bd6.js

886 ms

merged-a794f3ddbb5d88f3d0bcfbfb95597191-572faf54c443b5001f4f388d1a230852.js

merged-a794f3ddbb5d88f3d0bcfbfb95597191-572faf54c443b5001f4f388d1a230852.js

768 ms

IMG_0792.jpg

IMG_0792.jpg

1659 ms

IMG_0052.jpg

IMG_0052.jpg

1934 ms

Spannbeton-Fertigdecke.png

Spannbeton-Fertigdecke.png

706 ms

Spannbeton-Klimadecke.png

Spannbeton-Klimadecke.png

901 ms

Spannbeton-Massivdecke.png

Spannbeton-Massivdecke.png

907 ms

element_2_1.png

element_2_1.png

1002 ms

element_2_2.png

element_2_2.png

1016 ms

referenzen_4.png

referenzen_4.png

1540 ms

csm_referenzen_3_ccd731b8b2.png

csm_referenzen_3_ccd731b8b2.png

1466 ms

referenzen_2.png

referenzen_2.png

1504 ms

referenzen_5.png

referenzen_5.png

2134 ms

referenzen_1.png

referenzen_1.png

1734 ms

more_references.svg

more_references.svg

1622 ms

platzhalter.jpg

platzhalter.jpg

1811 ms

zipper_contact.svg

zipper_contact.svg

1186 ms

zipper_measure.svg

zipper_measure.svg

1242 ms

zipper_company.svg

zipper_company.svg

1299 ms

Startseite_Spannbetondecke-Fertigdecke.jpg

Startseite_Spannbetondecke-Fertigdecke.jpg

1644 ms

Startseite_Fertigteile.jpg

Startseite_Fertigteile.jpg

3037 ms

stoerer_background.jpg

stoerer_background.jpg

1685 ms

title_bg.svg

title_bg.svg

1421 ms

title_arrow.svg

title_arrow.svg

1514 ms

icon_close.svg

icon_close.svg

1541 ms

Accessibility Review

keller-bau.de accessibility score

98

Accessibility Issues

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

keller-bau.de best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

keller-bau.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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

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

keller-bau.de

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