Tools & Wizards About Us
stavebni-cenik.cz screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

stavebni-cenik.cz

Ceníky stavebních materiálů, hmot a stavebnin - informační portál

Page Load Speed

6.8 sec in total

First Response

673 ms

Resources Loaded

5.8 sec

Page Rendered

388 ms

stavebni-cenik.cz screenshot

About Website

Click here to check amazing Stavebni Cenik content for Czech Republic. Otherwise, check out these important facts you probably never knew about stavebni-cenik.cz

Ceníky stavebních materiálů, hmot a stavebnin - informační portál pro stavební firmy, rozpočtáře a kalkulanty

Visit stavebni-cenik.cz

Key Findings

We analyzed Stavebni-cenik.cz page load time and found that the first response time was 673 ms and then it took 6.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

stavebni-cenik.cz performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

67/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value2,070 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.771

5/100

15%

TTI (Time to Interactive)

Value10.2 s

25/100

10%

Network Requests Diagram

stavebni-cenik.cz

673 ms

modal.css

110 ms

jquery.min.js

2967 ms

jquery-noconflict.js

2852 ms

jquery-migrate.min.js

3862 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 34% of them (21 requests) were addressed to the original Stavebni-cenik.cz, 10% (6 requests) were made to Tpc.googlesyndication.com and 8% (5 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (4 sec) belongs to the original domain Stavebni-cenik.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 660.4 kB (56%)

Content Size

1.2 MB

After Optimization

515.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Stavebni-cenik.cz main page is 1.2 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. 65% of websites need less resources to load. Javascripts take 944.7 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 55.2 kB

  • Original 78.3 kB
  • After minification 74.9 kB
  • After compression 23.2 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 55.2 kB or 70% of the original size.

Image Optimization

-1%

Potential reduce by 1.4 kB

  • Original 131.4 kB
  • After minification 130.0 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. Stavebni Cenik images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 587.3 kB

  • Original 944.7 kB
  • After minification 939.7 kB
  • After compression 357.4 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 587.3 kB or 62% of the original size.

CSS Optimization

-79%

Potential reduce by 16.7 kB

  • Original 21.1 kB
  • After minification 15.7 kB
  • After compression 4.4 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. Stavebni-cenik.cz needs all CSS files to be minified and compressed as it can save up to 16.7 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (75%)

Requests Now

56

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stavebni Cenik. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

stavebni-cenik.cz

stavebni-cenik.cz

673 ms

modal.css

modal.css

110 ms

jquery.min.js

jquery.min.js

2967 ms

jquery-noconflict.js

jquery-noconflict.js

2852 ms

jquery-migrate.min.js

jquery-migrate.min.js

3862 ms

caption.js

caption.js

216 ms

bootstrap.min.js

bootstrap.min.js

3864 ms

mootools-core.js

mootools-core.js

3983 ms

core.js

core.js

323 ms

mootools-more.js

mootools-more.js

774 ms

modal.js

modal.js

883 ms

html5fallback.js

html5fallback.js

991 ms

css

css

24 ms

style.css

style.css

1101 ms

jquery.min.js

jquery.min.js

9 ms

jquery-ui.min.js

jquery-ui.min.js

14 ms

template.js

template.js

1207 ms

adsbygoogle.js

adsbygoogle.js

10 ms

addthis_widget.js

addthis_widget.js

53 ms

code

code

354 ms

print.css

print.css

164 ms

gtm.js

gtm.js

60 ms

sc_logo_2010.png

sc_logo_2010.png

146 ms

menu.png

menu.png

147 ms

anMUvcNT0H1YN4FII8wprz8H8-k4-wOkRlhwLTZ2Z3M.ttf

anMUvcNT0H1YN4FII8wprz8H8-k4-wOkRlhwLTZ2Z3M.ttf

22 ms

7XUFZ5tgS-tD6QamInJTcYxZwi1wmHdibB-7vcrwmEM.ttf

7XUFZ5tgS-tD6QamInJTcYxZwi1wmHdibB-7vcrwmEM.ttf

23 ms

anMUvcNT0H1YN4FII8wpr7T7MrtsDVmPQXgBvjkmLm0.ttf

anMUvcNT0H1YN4FII8wpr7T7MrtsDVmPQXgBvjkmLm0.ttf

24 ms

fv-1.jpg

fv-1.jpg

961 ms

fv-2.jpg

fv-2.jpg

975 ms

fv-3.jpg

fv-3.jpg

976 ms

livemarks.png

livemarks.png

144 ms

ca-pub-8516106038364861.js

ca-pub-8516106038364861.js

213 ms

zrt_lookup.html

zrt_lookup.html

196 ms

show_ads_impl.js

show_ads_impl.js

128 ms

bullet.png

bullet.png

199 ms

ico_prozkoumat.png

ico_prozkoumat.png

183 ms

next_page.png

next_page.png

227 ms

analytics.js

analytics.js

81 ms

ads

ads

249 ms

osd.js

osd.js

49 ms

ads

ads

272 ms

collect

collect

36 ms

collect

collect

154 ms

ga.js

ga.js

32 ms

ads

ads

231 ms

__utm.gif

__utm.gif

89 ms

hit

hit

273 ms

300lo.json

300lo.json

57 ms

391.cecf91673fe46d228a4e.js

391.cecf91673fe46d228a4e.js

15 ms

sh.8e5f85691f9aaa082472a194.html

sh.8e5f85691f9aaa082472a194.html

57 ms

css

css

178 ms

m_js_controller.js

m_js_controller.js

72 ms

abg.js

abg.js

93 ms

nessie_icon_tiamat_white.png

nessie_icon_tiamat_white.png

80 ms

s

s

50 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

88 ms

x_button_blue2.png

x_button_blue2.png

14 ms

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

58 ms

nessie_icon_magazine_black.png

nessie_icon_magazine_black.png

36 ms

nessie_icon_magazine_white.png

nessie_icon_magazine_white.png

5 ms

k3k702ZOKiLJc3WVjuplzI3LH2FgLjViKkqswU-xtII.ttf

k3k702ZOKiLJc3WVjuplzI3LH2FgLjViKkqswU-xtII.ttf

113 ms

DXI1ORHCpsQm3Vp6mXoaTY3LH2FgLjViKkqswU-xtII.ttf

DXI1ORHCpsQm3Vp6mXoaTY3LH2FgLjViKkqswU-xtII.ttf

115 ms

Accessibility Review

stavebni-cenik.cz accessibility score

87

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

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

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

High

Links do not have a discernible name

Best Practices

stavebni-cenik.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

Page has valid source maps

SEO Factors

stavebni-cenik.cz SEO score

89

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

    CS

  • Encoding

    UTF-8

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

stavebni-cenik.cz

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