Access laufen.cz. Prémiový švýcarský výrobce koupelen

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value10.1 s

0/100

25%

SI (Speed Index)

Value13.8 s

1/100

10%

TBT (Total Blocking Time)

Value2,610 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.176

68/100

15%

TTI (Time to Interactive)

Value25.6 s

0/100

10%

laufen.cz

329 ms

www.laufen.cz

886 ms

combo

645 ms

clay.css

14 ms

combo

437 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 96% of them (71 requests) were addressed to the original Laufen.cz, 4% (3 requests) were made to Cdn.cookielaw.org. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Laufen.cz.

Content Size

1.4 MB

After Optimization

736.8 kB

In fact, the total size of Laufen.cz main page is 1.4 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. 70% of websites need less resources to load. Images take 672.2 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 126.3 kB

Original 151.1 kB
After minification 146.4 kB
After compression 24.9 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 126.3 kB or 84% of the original size.

Image Optimization

-36%

Potential reduce by 240.7 kB

Original 672.2 kB
After minification 431.5 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, LAUFEN needs image optimization as it can save up to 240.7 kB or 36% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-53%

Potential reduce by 311.5 kB

Original 591.8 kB
After minification 589.5 kB
After compression 280.4 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 311.5 kB or 53% of the original size.

Requests Now

After Optimization

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LAUFEN. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 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

button, link, and menuitem elements do not have accessible names.

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 the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Image elements do not have [alt] attributes

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

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

High

robots.txt is not valid

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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

CS
Language Claimed

CS
Encoding

UTF-8

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

laufen.cz

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Prémiový švýcarský výrobce koupelen | LAUFEN Česká republika

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

laufen.cz

www.laufen.cz

combo

clay.css

combo

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

laufen.cz

www.laufen.cz

combo

clay.css

combo

loader.js

combo

main.css

OtAutoBlock.js

otSDKStub.js

main.js

slick.min.js

jquery.matchHeight-min.js

popper.min.js

jquery.nicescroll.min.js

jquery-ui.min.js

jquery.ui.touch-punch.min.js

clamp.min.js

scrollSync.js

roca-header.js

roca-footer.js

collect-demand-buttons.js

roca-chat.js

masonry.pkgd.min.js

imagesloaded.pkgd.min.js

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getTransformation

getTransformation