Tools & Wizards About Us
kolber.ch screenshot

Report Summary

  • 49

    Performance

    Renders faster than
    67% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

kolber.ch

kolber.ch is for sale

Page Load Speed

2.5 sec in total

First Response

285 ms

Resources Loaded

2 sec

Page Rendered

308 ms

kolber.ch screenshot

About Website

Welcome to kolber.ch homepage info - get ready to check Kolber best content right away, or after learning these important things about kolber.ch

The domain kolber.ch is for sale. You can buy this domain now with the ELITEDOMAINS escrow service at a fixed price.

Visit kolber.ch

Key Findings

We analyzed Kolber.ch page load time and found that the first response time was 285 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

kolber.ch performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

95/100

10%

LCP (Largest Contentful Paint)

Value8.3 s

2/100

25%

SI (Speed Index)

Value3.6 s

86/100

10%

TBT (Total Blocking Time)

Value590 ms

50/100

30%

CLS (Cumulative Layout Shift)

Value0.16

73/100

15%

TTI (Time to Interactive)

Value7.4 s

48/100

10%

Network Requests Diagram

kolber.ch

285 ms

kolber.ch

390 ms

de

302 ms

hero-background.jpg

271 ms

steps-graphic.jpg

519 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 95% of them (21 requests) were addressed to the original Kolber.ch, 5% (1 request) were made to T.elitedomains.de. The less responsive or slowest element that took the longest time to load (608 ms) belongs to the original domain Kolber.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 39.7 kB (20%)

Content Size

194.3 kB

After Optimization

154.6 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Kolber.ch main page is 194.3 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 147.5 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 38.4 kB

  • Original 45.8 kB
  • After minification 45.5 kB
  • After compression 7.4 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 38.4 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 885 B

  • Original 147.5 kB
  • After minification 146.6 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. Kolber images are well optimized though.

JavaScript Optimization

-40%

Potential reduce by 403 B

  • Original 1.0 kB
  • After minification 1.0 kB
  • After compression 602 B

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 403 B or 40% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

9

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kolber. According to our analytics all requests are already optimized.

Network Requests Diagram

kolber.ch

kolber.ch

285 ms

kolber.ch

kolber.ch

390 ms

de

de

302 ms

hero-background.jpg

hero-background.jpg

271 ms

steps-graphic.jpg

steps-graphic.jpg

519 ms

script.manual.js

script.manual.js

387 ms

de.svg

de.svg

244 ms

en.svg

en.svg

270 ms

es.svg

es.svg

295 ms

fr.svg

fr.svg

297 ms

zh.svg

zh.svg

283 ms

Montserrat-Regular.woff

Montserrat-Regular.woff

468 ms

Montserrat-Medium.woff

Montserrat-Medium.woff

388 ms

Montserrat-Light.woff

Montserrat-Light.woff

420 ms

Montserrat-ExtraLight.woff

Montserrat-ExtraLight.woff

335 ms

Montserrat-Thin.woff

Montserrat-Thin.woff

430 ms

Montserrat-SemiBold.woff

Montserrat-SemiBold.woff

477 ms

Montserrat-ExtraBold.woff

Montserrat-ExtraBold.woff

442 ms

Montserrat-Bold.woff

Montserrat-Bold.woff

563 ms

Montserrat-Black.woff

Montserrat-Black.woff

608 ms

styles-TLW3XGHI.css

styles-TLW3XGHI.css

95 ms

material-icons.woff

material-icons.woff

95 ms

Accessibility Review

kolber.ch accessibility score

95

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.

Best Practices

kolber.ch best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

kolber.ch SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

    EN

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kolber.ch can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed German language. Our system also found out that Kolber.ch 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

kolber.ch

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