Tools & Wizards About Us
koehlz.de screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

koehlz.de

Köhlz - Restaurant und Biergarten

Page Load Speed

2.2 sec in total

First Response

566 ms

Resources Loaded

1.5 sec

Page Rendered

134 ms

koehlz.de screenshot

About Website

Visit koehlz.de now to see the best up-to-date Koehlz content and also check out these interesting facts you probably never knew about koehlz.de

Das Restaurant Köhlz in Bornheim Merten bietet seinen Gästen eine saisonal und regional wechselnde Speisekarte. Kreativität und Harmonie prägen den Stil.

Visit koehlz.de

Key Findings

We analyzed Koehlz.de page load time and found that the first response time was 566 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

koehlz.de performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

17/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

41/100

25%

SI (Speed Index)

Value12.3 s

3/100

10%

TBT (Total Blocking Time)

Value390 ms

68/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value52.4 s

0/100

10%

Network Requests Diagram

koehlz.de

566 ms

custom_1420134119355.css

211 ms

mm.js

204 ms

cookieconsent.latest.min.js

8 ms

ga.js

10 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 91% of them (42 requests) were addressed to the original Koehlz.de, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to S3.amazonaws.com. The less responsive or slowest element that took the longest time to load (781 ms) belongs to the original domain Koehlz.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 37.2 kB (14%)

Content Size

274.5 kB

After Optimization

237.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Koehlz.de main page is 274.5 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. 15% of websites need less resources to load. Images take 234.7 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 11.6 kB

  • Original 15.1 kB
  • After minification 14.7 kB
  • After compression 3.5 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 11.6 kB or 77% of the original size.

Image Optimization

-9%

Potential reduce by 20.0 kB

  • Original 234.7 kB
  • After minification 214.7 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. Koehlz images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 2.2 kB

  • Original 20.4 kB
  • After minification 19.8 kB
  • After compression 18.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 2.2 kB or 11% of the original size.

CSS Optimization

-79%

Potential reduce by 3.4 kB

  • Original 4.3 kB
  • After minification 3.4 kB
  • After compression 924 B

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. Koehlz.de needs all CSS files to be minified and compressed as it can save up to 3.4 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (52%)

Requests Now

44

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Koehlz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

koehlz.de

koehlz.de

566 ms

custom_1420134119355.css

custom_1420134119355.css

211 ms

mm.js

mm.js

204 ms

cookieconsent.latest.min.js

cookieconsent.latest.min.js

8 ms

ga.js

ga.js

10 ms

i

i

320 ms

i.gif

i.gif

106 ms

slogan_4008_7_1608779917.png

slogan_4008_7_1608779917.png

107 ms

customkey.png

customkey.png

496 ms

logo_4008_86639773.JPG

logo_4008_86639773.JPG

201 ms

6168454_1513723958c.png

6168454_1513723958c.png

205 ms

6168455_585340983.png

6168455_585340983.png

206 ms

13337499_631138694.png

13337499_631138694.png

207 ms

6168460_851877684.png

6168460_851877684.png

211 ms

6168464_615599217.png

6168464_615599217.png

299 ms

6168459_468103116.png

6168459_468103116.png

307 ms

6174810_1769510882.png

6174810_1769510882.png

310 ms

6430617_172832525.png

6430617_172832525.png

310 ms

6168465_1145268230.png

6168465_1145268230.png

316 ms

16607509_142335882.png

16607509_142335882.png

397 ms

17692056_837911829.png

17692056_837911829.png

408 ms

38424644.JPG

38424644.JPG

714 ms

big_35373779_0_200-133.jpg

big_35373779_0_200-133.jpg

413 ms

big_35373781_0_200-133.jpg

big_35373781_0_200-133.jpg

420 ms

big_35373783_0_200-133.jpg

big_35373783_0_200-133.jpg

589 ms

big_35373738_0_70-26.png

big_35373738_0_70-26.png

509 ms

__utm.gif

__utm.gif

13 ms

head_border.png

head_border.png

436 ms

head_center.png

head_center.png

442 ms

menue_border.png

menue_border.png

513 ms

menue_center.png

menue_center.png

528 ms

6168455_585340983a.png

6168455_585340983a.png

528 ms

13337499_631138694a.png

13337499_631138694a.png

536 ms

6168460_851877684a.png

6168460_851877684a.png

594 ms

6168464_615599217a.png

6168464_615599217a.png

602 ms

6168459_468103116a.png

6168459_468103116a.png

614 ms

6174810_1769510882a.png

6174810_1769510882a.png

625 ms

6430617_172832525a.png

6430617_172832525a.png

633 ms

6168465_1145268230a.png

6168465_1145268230a.png

687 ms

16607509_142335882a.png

16607509_142335882a.png

701 ms

17692056_837911829a.png

17692056_837911829a.png

712 ms

content_border.png

content_border.png

711 ms

content_center.png

content_center.png

731 ms

totop.png

totop.png

733 ms

footer_border.png

footer_border.png

781 ms

footer_center.png

footer_center.png

714 ms

Accessibility Review

koehlz.de accessibility score

84

Accessibility Issues

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

koehlz.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

koehlz.de SEO score

100

Search Engine Optimization Advices

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Koehlz.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Koehlz.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

koehlz.de

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