Tools & Wizards About Us
vlastnici.cz screenshot

Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

vlastnici.cz

Prodej nemovitostí, pronájem bytů bez realitky Praha Brno

Page Load Speed

3.4 sec in total

First Response

488 ms

Resources Loaded

2.5 sec

Page Rendered

395 ms

vlastnici.cz screenshot

About Website

Visit vlastnici.cz now to see the best up-to-date Vlastnici content for Czech Republic and also check out these interesting facts you probably never knew about vlastnici.cz

Prodej nemovitostí pronájem bytů prodej bytu a koupě nemovitosti bez realitky Praha Brno Plzeň Ostrava

Visit vlastnici.cz

Key Findings

We analyzed Vlastnici.cz page load time and found that the first response time was 488 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

vlastnici.cz performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

86/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

24/100

25%

SI (Speed Index)

Value3.3 s

90/100

10%

TBT (Total Blocking Time)

Value320 ms

77/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.0 s

65/100

10%

Network Requests Diagram

vlastnici.cz

488 ms

jquery.jgz

847 ms

jquery.simpletip-1.3.1.pack.js

756 ms

intro.css

763 ms

script.js

449 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 52% of them (29 requests) were addressed to the original Vlastnici.cz, 9% (5 requests) were made to Pagead2.googlesyndication.com and 9% (5 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Vlastnici.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 130.5 kB (35%)

Content Size

376.4 kB

After Optimization

246.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vlastnici.cz main page is 376.4 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. 45% of websites need less resources to load. Images take 184.2 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 44.1 kB

  • Original 57.9 kB
  • After minification 49.4 kB
  • After compression 13.8 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 8.5 kB, which is 15% 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 44.1 kB or 76% of the original size.

Image Optimization

-5%

Potential reduce by 9.9 kB

  • Original 184.2 kB
  • After minification 174.3 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. Vlastnici images are well optimized though.

JavaScript Optimization

-53%

Potential reduce by 61.6 kB

  • Original 116.1 kB
  • After minification 115.6 kB
  • After compression 54.5 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 61.6 kB or 53% of the original size.

CSS Optimization

-81%

Potential reduce by 14.9 kB

  • Original 18.3 kB
  • After minification 16.0 kB
  • After compression 3.4 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. Vlastnici.cz needs all CSS files to be minified and compressed as it can save up to 14.9 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (56%)

Requests Now

54

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vlastnici. 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.

Network Requests Diagram

vlastnici.cz

vlastnici.cz

488 ms

jquery.jgz

jquery.jgz

847 ms

jquery.simpletip-1.3.1.pack.js

jquery.simpletip-1.3.1.pack.js

756 ms

intro.css

intro.css

763 ms

script.js

script.js

449 ms

show_ads.js

show_ads.js

8 ms

urchin.js

urchin.js

9 ms

bg_main.png

bg_main.png

282 ms

bg_header.png

bg_header.png

282 ms

logotype_vlastnici.png

logotype_vlastnici.png

282 ms

separator_corner_left.png

separator_corner_left.png

282 ms

separator_bg.png

separator_bg.png

282 ms

my_account.png

my_account.png

282 ms

separator_corner_right.png

separator_corner_right.png

457 ms

bg_search.png

bg_search.png

465 ms

btn_search_off.gif

btn_search_off.gif

473 ms

sell.png

sell.png

604 ms

banner_pruvodce2.png

banner_pruvodce2.png

605 ms

novinkybg3.png

novinkybg3.png

482 ms

tips_corner_left.png

tips_corner_left.png

725 ms

tips_bg.png

tips_bg.png

725 ms

tips_corner_right.png

tips_corner_right.png

725 ms

corner_nw.png

corner_nw.png

724 ms

corner_ne.png

corner_ne.png

828 ms

pravnisluzby.png

pravnisluzby.png

926 ms

cookie

cookie

245 ms

context

context

287 ms

corner_sw.png

corner_sw.png

849 ms

corner_se.png

corner_se.png

874 ms

kalkulacka2_bg.png

kalkulacka2_bg.png

870 ms

context

context

280 ms

pojisteni.png

pojisteni.png

898 ms

context

context

265 ms

bg_paticka.png

bg_paticka.png

983 ms

bg_footer.png

bg_footer.png

1045 ms

mainad.png

mainad.png

1073 ms

ca-pub-1628947793313989.js

ca-pub-1628947793313989.js

68 ms

zrt_lookup.html

zrt_lookup.html

164 ms

show_ads_impl.js

show_ads_impl.js

54 ms

__utm.gif

__utm.gif

29 ms

ads

ads

289 ms

osd.js

osd.js

33 ms

ads

ads

271 ms

ads

ads

172 ms

113 ms

abg.js

abg.js

32 ms

9620282894116560165

9620282894116560165

97 ms

s

s

12 ms

m_js_controller.js

m_js_controller.js

22 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

76 ms

x_button_blue2.png

x_button_blue2.png

71 ms

css

css

145 ms

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

4 ms

favicon

favicon

33 ms

nessie_icon_thin_arrow_big_white.png

nessie_icon_thin_arrow_big_white.png

25 ms

u-WUoqrET9fUeobQW7jkRT8E0i7KZn-EPnyo3HZu7kw.woff

u-WUoqrET9fUeobQW7jkRT8E0i7KZn-EPnyo3HZu7kw.woff

39 ms

Accessibility Review

vlastnici.cz accessibility score

64

Accessibility Issues

ARIA

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.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

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

High

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

vlastnici.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

Page has valid source maps

SEO Factors

vlastnici.cz SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    CZ

  • Encoding

    UTF-8

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

vlastnici.cz

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