Tools & Wizards About Us
dnt.cz screenshot

Report Summary

  • 62

    Performance

    Renders faster than
    78% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

dnt.cz

Webdesign | Programování | SEO | Reklama | Tisk | Hradec Králové

Page Load Speed

5.8 sec in total

First Response

440 ms

Resources Loaded

5.1 sec

Page Rendered

256 ms

dnt.cz screenshot

About Website

Visit dnt.cz now to see the best up-to-date Dnt content and also check out these interesting facts you probably never knew about dnt.cz

Tvoříme originální webové stránky, informační systémy, zajístíme SEO pro váš web a poskytneme kompletní reklamní servis. Sídlíme v Hradci Králové.

Visit dnt.cz

Key Findings

We analyzed Dnt.cz page load time and found that the first response time was 440 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

dnt.cz performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value160 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.048

99/100

15%

TTI (Time to Interactive)

Value5.4 s

72/100

10%

Network Requests Diagram

dnt.cz

440 ms

www.dnt.cz

859 ms

jquery.min.js

580 ms

jquery-ui-1.8.17.custom.min.js

329 ms

jquery.detectmobilebrowser.min.js

232 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 95% of them (73 requests) were addressed to the original Dnt.cz, 3% (2 requests) were made to Status.icq.com and 1% (1 request) were made to Wwp.icq.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Dnt.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 439.9 kB (19%)

Content Size

2.4 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dnt.cz main page is 2.4 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. 25% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 109.1 kB

  • Original 120.1 kB
  • After minification 57.0 kB
  • After compression 11.0 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 63.1 kB, which is 53% 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 109.1 kB or 91% of the original size.

Image Optimization

-10%

Potential reduce by 218.9 kB

  • Original 2.1 MB
  • After minification 1.9 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. Dnt images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 101.0 kB

  • Original 147.4 kB
  • After minification 138.1 kB
  • After compression 46.4 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 101.0 kB or 68% of the original size.

CSS Optimization

-79%

Potential reduce by 10.9 kB

  • Original 13.8 kB
  • After minification 9.3 kB
  • After compression 2.9 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. Dnt.cz needs all CSS files to be minified and compressed as it can save up to 10.9 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (7%)

Requests Now

72

After Optimization

67

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dnt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

dnt.cz

dnt.cz

440 ms

www.dnt.cz

www.dnt.cz

859 ms

jquery.min.js

jquery.min.js

580 ms

jquery-ui-1.8.17.custom.min.js

jquery-ui-1.8.17.custom.min.js

329 ms

jquery.detectmobilebrowser.min.js

jquery.detectmobilebrowser.min.js

232 ms

dnt.js

dnt.js

237 ms

kalkulace_toggle.js

kalkulace_toggle.js

230 ms

style.css

style.css

445 ms

lightbox-2.6.min.js

lightbox-2.6.min.js

444 ms

lightbox.css

lightbox.css

462 ms

online.dll

online.dll

1043 ms

close.png

close.png

122 ms

loading.gif

loading.gif

213 ms

prev.png

prev.png

215 ms

next.png

next.png

217 ms

background_aura.png

background_aura.png

335 ms

background_center_logo_emptyjpg2.jpg

background_center_logo_emptyjpg2.jpg

693 ms

top-hex.png

top-hex.png

336 ms

kalkulace_roh.png

kalkulace_roh.png

541 ms

flag_en.png

flag_en.png

435 ms

flag_cz.png

flag_cz.png

436 ms

background_content.png

background_content.png

548 ms

background_portfolio_content_label.png

background_portfolio_content_label.png

555 ms

1430525687.png

1430525687.png

898 ms

1430522006.jpg

1430522006.jpg

877 ms

1399376529.png

1399376529.png

768 ms

1385076408.jpg

1385076408.jpg

892 ms

1372110878.png

1372110878.png

1091 ms

1372110805.png

1372110805.png

899 ms

arrow_left.png

arrow_left.png

972 ms

arrow_right.png

arrow_right.png

1092 ms

1372110625.png

1372110625.png

1300 ms

1372110514.png

1372110514.png

1105 ms

1372110439.png

1372110439.png

1331 ms

1372110304.png

1372110304.png

1529 ms

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1372110195.png

1656 ms

1372110066.png

1372110066.png

1300 ms

1372109932.png

1372109932.png

1734 ms

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1372109815.png

1511 ms

1372109524.png

1372109524.png

1734 ms

1372109315.png

1372109315.png

1899 ms

1372108853.png

1372108853.png

1933 ms

1372107570.png

1372107570.png

1961 ms

1372107180.png

1372107180.png

2171 ms

1372107053.png

1372107053.png

2152 ms

1372106799.png

1372106799.png

1957 ms

dot.asp

dot.asp

211 ms

1372106535.png

1372106535.png

2257 ms

goodtime.ttf

goodtime.ttf

2161 ms

1372106356.png

1372106356.png

2326 ms

1372106171.png

1372106171.png

1981 ms

1372106003.png

1372106003.png

2470 ms

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1372105424.png

2437 ms

1372105225.png

1372105225.png

2278 ms

1372105063.png

1372105063.png

2066 ms

1372104843.png

1372104843.png

2335 ms

kosik.png

kosik.png

2185 ms

1.png

1.png

2194 ms

2.png

2.png

2273 ms

3.png

3.png

2199 ms

4.png

4.png

2169 ms

5.png

5.png

2079 ms

popisky-pole.png

popisky-pole.png

2080 ms

polepy_reklama_textil.png

polepy_reklama_textil.png

2291 ms

termolis_logo.png

termolis_logo.png

2244 ms

e-aplikace.png

e-aplikace.png

2439 ms

online.gif

online.gif

265 ms

logo_dnt.png

logo_dnt.png

2052 ms

securimage_show.php

securimage_show.php

2225 ms

submit_button.png

submit_button.png

2077 ms

online0.gif

online0.gif

132 ms

google.png

google.png

2053 ms

seznam.png

seznam.png

2062 ms

zpet.png

zpet.png

2061 ms

1372105580.png

1372105580.png

1885 ms

bottom-hex.png

bottom-hex.png

2008 ms

separator_footer.png

separator_footer.png

1909 ms

Accessibility Review

dnt.cz accessibility score

100

Accessibility Issues

Best Practices

dnt.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

SEO Factors

dnt.cz SEO score

69

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

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 Dnt.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 Dnt.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

dnt.cz

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