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kofler.biz screenshot

Report Summary

  • 74

    Performance

    Renders faster than
    83% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

kofler.biz

Gebäudereinigung und Schädlingsbekämpfung | Kofler GmbH

Page Load Speed

4 sec in total

First Response

235 ms

Resources Loaded

3.5 sec

Page Rendered

213 ms

kofler.biz screenshot

About Website

Welcome to kofler.biz homepage info - get ready to check Kofler best content right away, or after learning these important things about kofler.biz

Die Kofler GmbH mit Sitz in Fellbach (bei Stuttgart) ist seit über 35 Jahren ein familiengeführtes Unternehmen in der Gebäudereinigung und Schädlingsbekämpfung.

Visit kofler.biz

Key Findings

We analyzed Kofler.biz page load time and found that the first response time was 235 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

kofler.biz performance score

74

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.0 s

96/100

10%

Network Requests Diagram

kofler.biz

235 ms

www.kofler.gmbh

552 ms

merged-7bb225308120c9c1f8ef4e604ee30a75-3501c022229556a02539def260a04b44.css

297 ms

logo-kofler.png

339 ms

nav-dienstleistungen.png

331 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Kofler.biz, 96% (26 requests) were made to Kofler.gmbh. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Kofler.gmbh.

Page Optimization Overview & Recommendations

Page size can be reduced by 32.4 kB (6%)

Content Size

502.8 kB

After Optimization

470.3 kB

  • HTML
  • Images

In fact, the total size of Kofler.biz main page is 502.8 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. 25% of websites need less resources to load. Images take 464.5 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 32.3 kB

  • Original 38.3 kB
  • After minification 24.1 kB
  • After compression 6.0 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 14.3 kB, which is 37% 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 32.3 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 163 B

  • Original 464.5 kB
  • After minification 464.3 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. Kofler images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 13 (54%)

Requests Now

24

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kofler. 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.

Network Requests Diagram

kofler.biz

kofler.biz

235 ms

www.kofler.gmbh

www.kofler.gmbh

552 ms

merged-7bb225308120c9c1f8ef4e604ee30a75-3501c022229556a02539def260a04b44.css

merged-7bb225308120c9c1f8ef4e604ee30a75-3501c022229556a02539def260a04b44.css

297 ms

logo-kofler.png

logo-kofler.png

339 ms

nav-dienstleistungen.png

nav-dienstleistungen.png

331 ms

nav-gebaeudereinigung.png

nav-gebaeudereinigung.png

345 ms

nav-schaedlingsbekaempfung.png

nav-schaedlingsbekaempfung.png

343 ms

scripts-eaa64f7a6a2a469d3c5623f488a30193.js

scripts-eaa64f7a6a2a469d3c5623f488a30193.js

326 ms

jquery.min-ced751c53ffbc0122dca179f28807dfc.js

jquery.min-ced751c53ffbc0122dca179f28807dfc.js

448 ms

jquery-migrate.min-dbcdd493c7b982ffdc7304f079b48d8b.js

jquery-migrate.min-dbcdd493c7b982ffdc7304f079b48d8b.js

439 ms

bootstrap.min-26aa8a027b9032b026808db581a7f0de.js

bootstrap.min-26aa8a027b9032b026808db581a7f0de.js

451 ms

back-to-top-c4d6b0efecae0d49b3c0d6af6497e805.js

back-to-top-c4d6b0efecae0d49b3c0d6af6497e805.js

445 ms

smoothScroll-182af7e6f4070b6aeda65709057eaedd.js

smoothScroll-182af7e6f4070b6aeda65709057eaedd.js

456 ms

jquery.parallax-d542c728c91413bf16cc045592bcccf0.js

jquery.parallax-d542c728c91413bf16cc045592bcccf0.js

457 ms

app-7bba8056109a5192db3faf4317f97f39.js

app-7bba8056109a5192db3faf4317f97f39.js

555 ms

config-12bdb6153102b40ba5b6ffec89b62610.js

config-12bdb6153102b40ba5b6ffec89b62610.js

555 ms

klaro-c3639e9bd50cd387770177d90747e98a.js

klaro-c3639e9bd50cd387770177d90747e98a.js

607 ms

custom-d3c4edc90c1c4905e2b5d3dabfa6a722.js

custom-d3c4edc90c1c4905e2b5d3dabfa6a722.js

743 ms

logo-kofler_bw.png

logo-kofler_bw.png

752 ms

mitglied-der-gebaeudereiniger-innung.png

mitglied-der-gebaeudereiniger-innung.png

2145 ms

QG_logo_ho_rgb.png

QG_logo_ho_rgb.png

1299 ms

app.css

app.css

1918 ms

blocks.css

blocks.css

1787 ms

style-switcher.css

style-switcher.css

1750 ms

gebaeudereinigung.jpg

gebaeudereinigung.jpg

475 ms

schaedlingsbekaempfung.jpg

schaedlingsbekaempfung.jpg

288 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

386 ms

Accessibility Review

kofler.biz accessibility score

80

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

Links do not have a discernible name

Best Practices

kofler.biz best practices score

75

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

kofler.biz SEO score

92

Search Engine Optimization Advices

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

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 Kofler.biz 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 Kofler.biz 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

kofler.biz

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