Access keifert.de. Das Reinigungsunternehmen Keifert bietet Reinigungsleistungen (von Büro bis Industrie), Hausmeisterd...

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

61/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value220 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.805

5/100

15%

TTI (Time to Interactive)

Value5.4 s

71/100

10%

keifert.de

421 ms

www.keifert.de

1078 ms

10afc1849904.css

339 ms

fc0fb50807af.js

545 ms

mediaelement-and-player.min.js

337 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 98% of them (50 requests) were addressed to the original Keifert.de, 2% (1 request) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Keifert.de.

Content Size

2.6 MB

After Optimization

2.4 MB

In fact, the total size of Keifert.de main page is 2.6 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 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 102.7 kB

Original 124.9 kB
After minification 114.8 kB
After compression 22.2 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 102.7 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 78.5 kB

Original 2.2 MB
After minification 2.2 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. Keifert images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 4.4 kB

Original 175.6 kB
After minification 175.6 kB
After compression 171.2 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

-13%

Potential reduce by 5.3 kB

Original 42.2 kB
After minification 42.2 kB
After compression 36.9 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. Keifert.de needs all CSS files to be minified and compressed as it can save up to 5.3 kB or 13% of the original size.

Requests Now

After Optimization

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Keifert. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts 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]s are not contained by their required parent element

High

[aria-*] attributes do not have valid values

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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

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

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links are not crawlable

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

N/A
Language Claimed

DE
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Keifert.de can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is German. Our system also found out that Keifert.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

keifert.de

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

Das Reinigungsunternehmen Keifert bietet Reinigungsleistungen (von Büro bis Industrie), Hausmeisterdienste und Spezialreinigung. Von Lörrach/Basel übe...

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

keifert.de

www.keifert.de

10afc1849904.css

fc0fb50807af.js

mediaelement-and-player.min.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

keifert.de

www.keifert.de

10afc1849904.css

fc0fb50807af.js

mediaelement-and-player.min.js

jquery-ui.min.js

colorbox.min.js

tablesorter.js

script.js

Logo_Keifert_inv.png

mega-menu.jpg

qualitaet-umwelt.jpg

we-want-you-c7a8bf05.jpg

Slider_Titel_Keifert2.jpg

komm-ins-team-26c34213.jpg

jetzt-bewerben.png

Keifert_0115159_Siegel%2014001.jpg

Keifert_0115159_Siegel%209001.jpg

DIN_ISO_Zerfitiziert-afe06215.jpg

taubenabwehr-bc798940.jpg

solar-bb6c3d29.jpg

keifert-fruejahrsputz-4fc1488e.jpg

hausmeisterdienste-4244ad25.jpg

treppenhausreinigung-news-2cef146f.jpg

termin-2bac1696.jpg

gewitter3-874f9ea6.jpg

WhatsApp%20Bild%202023-06-10%20um%2016.03.40-1ebdac84.jpg

waschplatz1-5307bccb.jpg

freiflaechen-19baad8f.jpg

gebaeudereinigung-421b90f1.jpg

winterdienst-c5123ab7.jpg

news-schimmelbeseitigung-a116fc64.jpg

WhatsApp%20Bild%202023-06-09%20um%2009.50.30-fbac43e8.jpg

WhatsApp%20Bild%202023-06-10%20um%2016.03.37-91dc3837.jpg

WhatsApp%20Bild%202023-06-10%20um%2016.03.38-02f495e7.jpg

WhatsApp%20Bild%202023-06-10%20um%2016.03.39-90c16ffb.jpg

reiko.JPG

marco.JPG

hyfagro.JPG

kiehl.JPG

gebaeudereiniger.jpg

DIN_ISO_9001.jpg

jobmotor.jpg