Tools & Wizards About Us
black-reality.cz screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

black-reality.cz

Reality, byty, domy, inzerce realit | Black reality.cz

Page Load Speed

6 sec in total

First Response

288 ms

Resources Loaded

5.3 sec

Page Rendered

464 ms

black-reality.cz screenshot

About Website

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

On-line katalog realitních nabídek a nemovitostí z celé ČR i zahraničí. Soukromá i komerční realitní inzerce bytů, domů, pozemků a dalších realit.

Visit black-reality.cz

Key Findings

We analyzed Black-reality.cz page load time and found that the first response time was 288 ms and then it took 5.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

black-reality.cz performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value5.9 s

66/100

10%

Network Requests Diagram

black-reality.cz

288 ms

black-reality.cz

393 ms

www.black-reality.cz

2490 ms

jquery-1.10.2.min.js

197 ms

jquery-ui.min.js

480 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 92% of them (86 requests) were addressed to the original Black-reality.cz, 5% (5 requests) were made to and 2% (2 requests) were made to Cdn.poski.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Black-reality.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 92.9 kB (10%)

Content Size

934.5 kB

After Optimization

841.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Black-reality.cz main page is 934.5 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. 50% of websites need less resources to load. Images take 477.8 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 81.0 kB

  • Original 93.9 kB
  • After minification 77.7 kB
  • After compression 12.9 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. This page needs HTML code to be minified as it can gain 16.2 kB, which is 17% 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 81.0 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 477.8 kB
  • After minification 477.8 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. Black Reality images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 7.3 kB

  • Original 149.6 kB
  • After minification 149.6 kB
  • After compression 142.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 4.6 kB

  • Original 213.2 kB
  • After minification 213.2 kB
  • After compression 208.6 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. Black-reality.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 28 (36%)

Requests Now

77

After Optimization

49

  • Images
  • JavaScript
  • CSS

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Black Reality. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

black-reality.cz

black-reality.cz

288 ms

black-reality.cz

black-reality.cz

393 ms

www.black-reality.cz

www.black-reality.cz

2490 ms

jquery-1.10.2.min.js

jquery-1.10.2.min.js

197 ms

jquery-ui.min.js

jquery-ui.min.js

480 ms

_main.css

_main.css

681 ms

jquery-ui.css

jquery-ui.css

333 ms

cookie-consent.min.css

cookie-consent.min.css

337 ms

poskilocale.js

poskilocale.js

432 ms

jquery.sumoselect.min.js

jquery.sumoselect.min.js

334 ms

jquery.matchHeight.js

jquery.matchHeight.js

426 ms

owl.carousel.min.js

owl.carousel.min.js

430 ms

web.owl-carousel.js

web.owl-carousel.js

431 ms

jquery.ui.autocomplete.html.js

jquery.ui.autocomplete.html.js

522 ms

jquery-ui.autocomplete.html.min.js

jquery-ui.autocomplete.html.min.js

526 ms

jquery.focused.min.js

jquery.focused.min.js

526 ms

requestmanager.min.js

requestmanager.min.js

526 ms

web.lokalita.js

web.lokalita.js

571 ms

web.filter.js

web.filter.js

616 ms

web.nemovitosti.portal.js

web.nemovitosti.portal.js

620 ms

web.porovnani.js

web.porovnani.js

621 ms

web.hlavni-menu.js

web.hlavni-menu.js

624 ms

web.hlidaci-pes.js

web.hlidaci-pes.js

665 ms

web.loading-content-ajax.js

web.loading-content-ajax.js

772 ms

web.js

web.js

773 ms

jquery.colorbox-min.js

jquery.colorbox-min.js

773 ms

colorbox.js

colorbox.js

773 ms

jquery.qtip.min.js

jquery.qtip.min.js

774 ms

tipso.min.js

tipso.min.js

774 ms

jquery.jscrollpane.min.js

jquery.jscrollpane.min.js

852 ms

black-reality.js

black-reality.js

853 ms

cookie-consent.min.js

cookie-consent.min.js

853 ms

logo.png

logo.png

358 ms

logo_poski_orange.png

logo_poski_orange.png

508 ms

01.jpg

01.jpg

214 ms

erb_praha.png

erb_praha.png

214 ms

ilustrace_praha.jpg

ilustrace_praha.jpg

299 ms

erb_brno.png

erb_brno.png

215 ms

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305 ms

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224 ms

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255 ms

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263 ms

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400 ms

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352 ms

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360 ms

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394 ms

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399 ms

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418 ms

bydleni_pro_seniory.jpg

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448 ms

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456 ms

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490 ms

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551 ms

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586 ms

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590 ms

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508 ms

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523 ms

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541 ms

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569 ms

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g2e94xwpRuxmgGp53CYpMY0qM+KMx0pElNEhEBqgpuzbkkk3USaNhrkaFvHzltsyrmvxasdIU2hpgzEZQFWuLDTfzHlo6JLryaTdjdfw8DuaYUIpUB7adyRRrySvgFB1YeOA==

7 ms

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DwO5phQilQHtp3JFGvJK+AUHVh44

5 ms

g0YaRZ3AHjaVYy9CsJAEITnzigiFhZiEUQOEQsrC8HW+Ach0SJ3ELALQYN4KAQb38EHtot7KwRsZoZvdgcCQAcXvOFt97GBn79KC78ozzf4NnveMcKUbsZoBqedwmKTGNKjPijMdKRJTRIRAaoKbs25JJN1EmjYa5Ghbx85bbMq5r8WrHSFNoaYMxGUBVriw038x5aOiS68mk3Y3X8PA7mmFCKVAe2nckUa8kr4BQdWHjg=

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5 ms

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4 ms

fa-solid-900.woff

fa-solid-900.woff

600 ms

fa-brands-400.woff

fa-brands-400.woff

556 ms

fa-regular-400.woff

fa-regular-400.woff

584 ms

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751 ms

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20240518102613-328.jpg.webp

627 ms

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573 ms

throbber.gif

throbber.gif

591 ms

logo_poskireal.png

logo_poskireal.png

611 ms

logo_poskicom.png

logo_poskicom.png

623 ms

logo_cloudreal.png

logo_cloudreal.png

619 ms

logo_webmaklere.png

logo_webmaklere.png

603 ms

simplyhome.jpg

simplyhome.jpg

626 ms

domov-beroun.jpg

domov-beroun.jpg

653 ms

kaktus.jpg

kaktus.jpg

626 ms

realitywap.jpg

realitywap.jpg

636 ms

throbber.gif

throbber.gif

607 ms

01.jpg

01.jpg

345 ms

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fa-solid-900.woff

99 ms

fa-brands-400.woff

fa-brands-400.woff

189 ms

fa-regular-400.woff

fa-regular-400.woff

98 ms

throbber.gif

throbber.gif

99 ms

print.css

print.css

138 ms

Accessibility Review

black-reality.cz accessibility score

95

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

Links do not have a discernible name

Best Practices

black-reality.cz best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

black-reality.cz SEO score

98

Search Engine Optimization Advices

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

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Black-reality.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 Black-reality.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

black-reality.cz

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