Access barton.cz. Spojovací materiál | Velkoobchod | Maloobchod

name

value

score

weighting

FCP (First Contentful Paint)

Value7.2 s

1/100

10%

LCP (Largest Contentful Paint)

Value22.8 s

0/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value570 ms

52/100

30%

CLS (Cumulative Layout Shift)

Value0.478

18/100

15%

TTI (Time to Interactive)

Value16.7 s

5/100

10%

barton.cz

507 ms

barton.cz

886 ms

bootstrap.min.css

517 ms

font-awesome.min.css

621 ms

price-range.css

429 ms

Our browser made a total of 98 requests to load all elements on the main page. We found that 87% of them (85 requests) were addressed to the original Barton.cz, 4% (4 requests) were made to Maps.googleapis.com and 2% (2 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (20 sec) relates to the external source Toplist.cz.

Content Size

3.7 MB

After Optimization

2.9 MB

In fact, the total size of Barton.cz main page is 3.7 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 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 68.5 kB

Original 86.0 kB
After minification 78.0 kB
After compression 17.5 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 68.5 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 93.7 kB

Original 2.7 MB
After minification 2.6 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. Barton images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 438.5 kB

Original 666.2 kB
After minification 527.0 kB
After compression 227.7 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 438.5 kB or 66% of the original size.

CSS Optimization

-84%

Potential reduce by 223.6 kB

Original 266.9 kB
After minification 243.1 kB
After compression 43.3 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. Barton.cz needs all CSS files to be minified and compressed as it can save up to 223.6 kB or 84% of the original size.

Requests Now

After Optimization

The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Barton. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 13 to 1 for CSS 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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Barton.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 Barton.cz main page’s claimed encoding is windows-1250. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

barton.cz

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

Spojovací materiál | Velkoobchod | Maloobchod | Barton.cz

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

barton.cz

barton.cz

bootstrap.min.css

font-awesome.min.css

price-range.css

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

barton.cz

barton.cz

bootstrap.min.css

font-awesome.min.css

price-range.css

animate.css

main.css

responsive.css

jquery.min.ajax.js

jquery.colorbox.js

jquery.inv.js

cookies.js

colorbox.css

blueimp-gallery.css

blueimp-gallery-indicator.css

blueimp-gallery-video.css

owl.carousel.css

owl.theme.css

cookieconsent_01012022-min.js

scr.js

plusone.js

jquery-1.9.1.js

owl.carousel.js

bootstrap-collapse.js

bootstrap-transition.js

bootstrap-tab.js

prettify.js

application.js

bootstrap.min.js

js

scripts.js

retargeting.js

css

cb=gapi.loaded_0

analytics.js

undefined

hmozdinky.gif

hmozdinky_2.gif

vruty.gif

vruty_2.gif

sroubymetric.gif

sroubymetric_2.gif

maticepodl.gif