Tools & Wizards About Us
bydleni.cz screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

bydleni.cz

Bydlení.cz

Page Load Speed

4.5 sec in total

First Response

328 ms

Resources Loaded

3.6 sec

Page Rendered

485 ms

bydleni.cz screenshot

About Website

Click here to check amazing Bydleni content for Czech Republic. Otherwise, check out these important facts you probably never knew about bydleni.cz

Bydlení.cz

Visit bydleni.cz

Key Findings

We analyzed Bydleni.cz page load time and found that the first response time was 328 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

bydleni.cz performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value11.6 s

4/100

10%

TBT (Total Blocking Time)

Value1,220 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0.252

49/100

15%

TTI (Time to Interactive)

Value19.3 s

2/100

10%

Network Requests Diagram

bydleni.cz

328 ms

www.bydleni.cz

587 ms

170203143832.css

585 ms

jquery.min.js

19 ms

170207095535.js

797 ms

Our browser made a total of 133 requests to load all elements on the main page. We found that 8% of them (10 requests) were addressed to the original Bydleni.cz, 49% (65 requests) were made to Cdn.bydleni.com and 28% (37 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Cdn.bydleni.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 579.0 kB (22%)

Content Size

2.6 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bydleni.cz main page is 2.6 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 114.4 kB

  • Original 130.9 kB
  • After minification 116.3 kB
  • After compression 16.5 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. This page needs HTML code to be minified as it can gain 14.6 kB, which is 11% 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 114.4 kB or 87% of the original size.

Image Optimization

-14%

Potential reduce by 295.1 kB

  • Original 2.1 MB
  • After minification 1.8 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. Obviously, Bydleni needs image optimization as it can save up to 295.1 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-57%

Potential reduce by 169.0 kB

  • Original 298.5 kB
  • After minification 298.5 kB
  • After compression 129.5 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 169.0 kB or 57% of the original size.

CSS Optimization

-2%

Potential reduce by 507 B

  • Original 26.9 kB
  • After minification 26.9 kB
  • After compression 26.4 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. Bydleni.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 52 (40%)

Requests Now

129

After Optimization

77

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 129 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bydleni. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bydleni.cz

bydleni.cz

328 ms

www.bydleni.cz

www.bydleni.cz

587 ms

170203143832.css

170203143832.css

585 ms

jquery.min.js

jquery.min.js

19 ms

170207095535.js

170207095535.js

797 ms

analytics.js

analytics.js

96 ms

logoTopMenuWhite.png

logoTopMenuWhite.png

121 ms

mami_slider.jpg

mami_slider.jpg

534 ms

tefal_slider.jpg

tefal_slider.jpg

278 ms

bubu_slider.jpg

bubu_slider.jpg

609 ms

thumb_mami_slider.jpg

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607 ms

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thumb_kr_bubu1.jpg

1231 ms

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thumb_est_uvod.jpg

394 ms

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826 ms

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thumb_markilux1.jpg

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862 ms

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925 ms

deti_109.jpg

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muskat_109x80.jpg

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936 ms

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1230 ms

tefal_109x80.jpg

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klenota_109x80.jpg

klenota_109x80.jpg

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jaro_109x80.jpg

jaro_109x80.jpg

1235 ms

wavin_109.jpg

wavin_109.jpg

1234 ms

wavin_80.jpg

wavin_80.jpg

1252 ms

hdl_80.jpg

hdl_80.jpg

1252 ms

akryl_van_80x80.jpg

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placky_80x80.jpg

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bydleni_spcjs.php

274 ms

likebox.php

likebox.php

949 ms

medv_cesnek_80x80.jpg

medv_cesnek_80x80.jpg

1299 ms

collect

collect

15 ms

loadJIO

loadJIO

274 ms

collect

collect

35 ms

js

js

58 ms

poradna.jpg

poradna.jpg

1108 ms

lg.php

lg.php

123 ms

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lg.php

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330 ms

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334 ms

responsive.html

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989 ms

JIOver1.0.0-16.js

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852 ms

jquery.loadJSON-2.js

jquery.loadJSON-2.js

819 ms

financovani.jpg

financovani.jpg

856 ms

nova_grafika_white.png

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title-divider.gif

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774 ms

footer-menu-bg-small.png

footer-menu-bg-small.png

813 ms

loading.gif

loading.gif

754 ms

close.png

close.png

742 ms

ui.totop.png

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743 ms

jarni_inspirace_468x60.jpg

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741 ms

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847 ms

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TweenMax.1.11.4.min.js

118 ms

spin.min.js

spin.min.js

109 ms

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115 ms

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133 ms

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133 ms

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214 ms

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223 ms

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224 ms

Accessibility Review

bydleni.cz accessibility score

70

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

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

bydleni.cz best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

bydleni.cz SEO score

90

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bydleni.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Bydleni.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

bydleni.cz

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