Tools & Wizards About Us
vizualizace.cz screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

vizualizace.cz

Vizualizace s.r.o. | Vizualizace interiéru a exteriéru

Page Load Speed

6.2 sec in total

First Response

409 ms

Resources Loaded

5 sec

Page Rendered

734 ms

vizualizace.cz screenshot

About Website

Click here to check amazing Vizualizace content. Otherwise, check out these important facts you probably never knew about vizualizace.cz

Úvod - Dodáváme profesionální vizualizace interiérů a exteriérů, animace a virtuální prohlídky. Jsme VIZUALIZACE s.r.o..

Visit vizualizace.cz

Key Findings

We analyzed Vizualizace.cz page load time and found that the first response time was 409 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

vizualizace.cz performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value27.0 s

0/100

25%

SI (Speed Index)

Value14.8 s

1/100

10%

TBT (Total Blocking Time)

Value540 ms

54/100

30%

CLS (Cumulative Layout Shift)

Value0.029

100/100

15%

TTI (Time to Interactive)

Value19.2 s

2/100

10%

Network Requests Diagram

vizualizace.cz

409 ms

www.vizualizace.cz

921 ms

font-awesome.css

59 ms

css

50 ms

font-awesome.css

49 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 45% of them (21 requests) were addressed to the original Vizualizace.cz, 15% (7 requests) were made to Fonts.gstatic.com and 9% (4 requests) were made to Netdna.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Vizualizace.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 809.4 kB (11%)

Content Size

7.0 MB

After Optimization

6.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vizualizace.cz main page is 7.0 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 5.7 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 457.8 kB

  • Original 581.6 kB
  • After minification 581.4 kB
  • After compression 123.8 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. 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 457.8 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 19.4 kB

  • Original 5.7 MB
  • After minification 5.7 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. Vizualizace images are well optimized though.

JavaScript Optimization

-43%

Potential reduce by 332.1 kB

  • Original 779.4 kB
  • After minification 779.4 kB
  • After compression 447.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 332.1 kB or 43% of the original size.

CSS Optimization

-1%

Potential reduce by 15 B

  • Original 1.3 kB
  • After minification 1.3 kB
  • After compression 1.3 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. Vizualizace.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (36%)

Requests Now

36

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vizualizace. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vizualizace.cz

vizualizace.cz

409 ms

www.vizualizace.cz

www.vizualizace.cz

921 ms

font-awesome.css

font-awesome.css

59 ms

css

css

50 ms

font-awesome.css

font-awesome.css

49 ms

css

css

51 ms

api.js

api.js

54 ms

js

js

73 ms

js

js

158 ms

api.js

api.js

157 ms

autoptimize_b0129ef4a49402950914313685e071b9.js

autoptimize_b0129ef4a49402950914313685e071b9.js

251 ms

recaptcha__en.js

recaptcha__en.js

103 ms

vizualizace_logo_square.png

vizualizace_logo_square.png

416 ms

vizualizace_logo_scroll.png

vizualizace_logo_scroll.png

571 ms

loading_32.gif

loading_32.gif

571 ms

VIZUALIZACE_sro_3D_pudorysy_001-660x371.jpg

VIZUALIZACE_sro_3D_pudorysy_001-660x371.jpg

952 ms

Casablanca_B_138.16-660x371.jpg

Casablanca_B_138.16-660x371.jpg

849 ms

VIZUALIZACE_sro_Bytove_domy_012-660x371.jpg

VIZUALIZACE_sro_Bytove_domy_012-660x371.jpg

1060 ms

VIZUALIZACE_sro_Rodinne_domy_001-660x371.jpg

VIZUALIZACE_sro_Rodinne_domy_001-660x371.jpg

634 ms

VIZUALIZACE_sro_Interiery_006-660x371.jpg

VIZUALIZACE_sro_Interiery_006-660x371.jpg

1061 ms

VIZUALIZACE_sro_zahrady_004-660x371.jpg

VIZUALIZACE_sro_zahrady_004-660x371.jpg

1173 ms

3D_pud_Karlovy_Vary_zakres-660x371.jpg

3D_pud_Karlovy_Vary_zakres-660x371.jpg

748 ms

Vizualizace_lokalit_33-660x371.jpg

Vizualizace_lokalit_33-660x371.jpg

862 ms

Vizualizace_lokalit_08-660x371.jpg

Vizualizace_lokalit_08-660x371.jpg

1175 ms

icon_vizualizace.png

icon_vizualizace.png

970 ms

facebook-256.png

facebook-256.png

1058 ms

4iCv6KVjbNBYlgoC1CzjsGyI.ttf

4iCv6KVjbNBYlgoC1CzjsGyI.ttf

279 ms

4iCs6KVjbNBYlgoKfw7z.ttf

4iCs6KVjbNBYlgoKfw7z.ttf

330 ms

4iCv6KVjbNBYlgoCjC3jsGyI.ttf

4iCv6KVjbNBYlgoCjC3jsGyI.ttf

365 ms

4iCv6KVjbNBYlgoCxCvjsGyI.ttf

4iCv6KVjbNBYlgoCxCvjsGyI.ttf

365 ms

fallback

fallback

308 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

902 ms

js

js

285 ms

analytics.js

analytics.js

238 ms

parallax_pic1.jpg

parallax_pic1.jpg

755 ms

spinner.GIF

spinner.GIF

833 ms

VIZUALIZACE_sro_titul_2019-13b_GS.jpg

VIZUALIZACE_sro_titul_2019-13b_GS.jpg

1171 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

112 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

85 ms

u-4k0rCzjgs5J7oXnJcM_0kACGMtT-Dfrg.ttf

u-4k0rCzjgs5J7oXnJcM_0kACGMtT-Dfrg.ttf

74 ms

fallback__ltr.css

fallback__ltr.css

32 ms

css

css

39 ms

logo_48.png

logo_48.png

42 ms

collect

collect

67 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

61 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

60 ms

1f642.svg

1f642.svg

15 ms

Accessibility Review

vizualizace.cz accessibility score

87

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

vizualizace.cz best practices score

75

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

SEO Factors

vizualizace.cz SEO score

100

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

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 Vizualizace.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 Vizualizace.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

vizualizace.cz

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