Tools & Wizards About Us

Report Summary

  • 93

    Performance

    Renders faster than
    92% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

koebcke.de

Site en construction

Page Load Speed

1.5 sec in total

First Response

360 ms

Resources Loaded

1 sec

Page Rendered

104 ms

About Website

Welcome to koebcke.de homepage info - get ready to check Koebcke best content right away, or after learning these important things about koebcke.de

Visit koebcke.de

Key Findings

We analyzed Koebcke.de page load time and found that the first response time was 360 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

koebcke.de performance score

93

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

99/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

90/100

25%

SI (Speed Index)

Value1.7 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.174

69/100

15%

TTI (Time to Interactive)

Value1.5 s

100/100

10%

Network Requests Diagram

koebcke.de

360 ms

www.koebcke.de

322 ms

transparentTriangle.svg

77 ms

logo-white.png

153 ms

icon-traffic-cone.png

156 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that all of those requests were addressed to Koebcke.de and no external sources were called. The less responsive or slowest element that took the longest time to load (360 ms) belongs to the original domain Koebcke.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 16.1 kB (50%)

Content Size

32.0 kB

After Optimization

15.9 kB

  • HTML
  • Images

In fact, the total size of Koebcke.de main page is 32.0 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. Only 10% of websites need less resources to load. Images take 18.9 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 10.7 kB

  • Original 13.2 kB
  • After minification 12.8 kB
  • After compression 2.5 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 10.7 kB or 81% of the original size.

Image Optimization

-29%

Potential reduce by 5.5 kB

  • Original 18.9 kB
  • After minification 13.4 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. Obviously, Koebcke needs image optimization as it can save up to 5.5 kB or 29% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

We found no issues to fix!

Requests Now

8

After Optimization

8

  • Images

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Koebcke. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

koebcke.de accessibility score

74

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

koebcke.de best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

koebcke.de SEO score

69

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

High

robots.txt is not valid

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

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Koebcke.de can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and it matches the claimed language. Our system also found out that Koebcke.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

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