Access starsleep.cz. AHORN CZ, s.r.o. – český výrobce kvalitních postelových roštů a matrací

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

19/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value390 ms

68/100

30%

CLS (Cumulative Layout Shift)

Value0.08

94/100

15%

TTI (Time to Interactive)

Value8.0 s

43/100

10%

www.ahorn.cz

907 ms

global.css

111 ms

home.css

214 ms

modernizr.js

313 ms

jquery.js

549 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Starsleep.cz, 3% (2 requests) were made to Google-analytics.com and 3% (2 requests) were made to Track.adform.net. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Ahorn.cz.

Content Size

2.3 MB

After Optimization

2.0 MB

In fact, the total size of Starsleep.cz main page is 2.3 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. 60% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 37.2 kB

Original 47.5 kB
After minification 41.9 kB
After compression 10.2 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 5.6 kB, which is 12% 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 37.2 kB or 78% of the original size.

Image Optimization

-9%

Potential reduce by 192.6 kB

Original 2.1 MB
After minification 1.9 MB

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. Starsleep images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 18.5 kB

Original 114.8 kB
After minification 114.8 kB
After compression 96.4 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 18.5 kB or 16% of the original size.

CSS Optimization

-33%

Potential reduce by 6.8 kB

Original 20.6 kB
After minification 20.6 kB
After compression 13.8 kB

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. Starsleep.cz needs all CSS files to be minified and compressed as it can save up to 6.8 kB or 33% of the original size.

Requests Now

After Optimization

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Starsleep. 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 as a result speed up the page load time.

Accessibility Issues

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

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links are not crawlable

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 Starsleep.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 Starsleep.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

starsleep.cz

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

Report Summary

Performance

Accessibility

Best Practices

SEO

AHORN CZ, s.r.o. – český výrobce kvalitních postelových roštů a matrací | AHORN CZ, s.r.o.

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

www.ahorn.cz

global.css

home.css

modernizr.js

jquery.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

www.ahorn.cz

global.css

home.css

modernizr.js

jquery.js

slick.js

global.js

js-v04.js

home.js

gtm.js

app-starter.min.js

logo.svg

flag-cz.svg

flag-de.svg

basket-white.svg

1.png

2.png

3.png

4.png

search-black.svg

btn-arrow-red.svg

Ahornflex-1920.jpg

bg-1920.png

Prodejceporadi-1920.jpg

NaborB2B-1920.jpg

Polohovani-1920.jpg

RodinaSedici-1920.jpg

category.svg

1.png

2.png

3.png

4.png

btn-loc-red.svg

map.png

1.jpg

2.jpg

3.jpg

4.jpg

5.jpg

6.jpg

postel-Grado-front.jpg

compare-gray.svg

nunito-sans-v5-latin-ext_latin-300.woff