Tools & Wizards About Us
climatizer.cz screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% 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

  • 90

    SEO

    Google-friendlier than
    68% of websites

climatizer.cz

Zdravá a přírodní foukaná izolace, až 60% úspora energie - Climatizer Plus

Page Load Speed

5.2 sec in total

First Response

461 ms

Resources Loaded

4.5 sec

Page Rendered

276 ms

climatizer.cz screenshot

About Website

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

Přírodní a zdravou izolaci se zárukou 20 let aplikujeme zdarma. Foukaná izolace zabraňuje vzniku tepelných mostů, je difúzně otevřená…

Visit climatizer.cz

Key Findings

We analyzed Climatizer.cz page load time and found that the first response time was 461 ms and then it took 4.8 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

climatizer.cz performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value10.0 s

0/100

25%

SI (Speed Index)

Value12.6 s

3/100

10%

TBT (Total Blocking Time)

Value920 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0.037

100/100

15%

TTI (Time to Interactive)

Value12.5 s

14/100

10%

Network Requests Diagram

climatizer.cz

461 ms

style.css

416 ms

fancybox.css

311 ms

core.style.css

212 ms

tiny_mce.js

987 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 84% of them (36 requests) were addressed to the original Climatizer.cz, 7% (3 requests) were made to Ciurshop.cz and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Climatizer.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 302.3 kB (44%)

Content Size

688.0 kB

After Optimization

385.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Climatizer.cz main page is 688.0 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. 20% of websites need less resources to load. Javascripts take 411.8 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 11.7 kB

  • Original 17.3 kB
  • After minification 16.5 kB
  • After compression 5.7 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 11.7 kB or 67% of the original size.

Image Optimization

-2%

Potential reduce by 4.2 kB

  • Original 225.8 kB
  • After minification 221.7 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. Climatizer images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 258.8 kB

  • Original 411.8 kB
  • After minification 411.1 kB
  • After compression 153.1 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 258.8 kB or 63% of the original size.

CSS Optimization

-84%

Potential reduce by 27.7 kB

  • Original 32.9 kB
  • After minification 24.0 kB
  • After compression 5.2 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. Climatizer.cz needs all CSS files to be minified and compressed as it can save up to 27.7 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (48%)

Requests Now

42

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Climatizer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

climatizer.cz

climatizer.cz

461 ms

style.css

style.css

416 ms

fancybox.css

fancybox.css

311 ms

core.style.css

core.style.css

212 ms

tiny_mce.js

tiny_mce.js

987 ms

jquery.js

jquery.js

738 ms

jquery-ui.js

jquery-ui.js

630 ms

jquery-mousewheel.js

jquery-mousewheel.js

316 ms

jquery-fancybox.js

jquery-fancybox.js

516 ms

jquery-carousel.js

jquery-carousel.js

424 ms

swfobject.js

swfobject.js

518 ms

sb.js

sb.js

526 ms

core.script.js

core.script.js

619 ms

background.png

background.png

107 ms

01.jpg

01.jpg

2629 ms

04.jpg

04.jpg

2716 ms

attractive-climatizer.php

attractive-climatizer.php

2527 ms

gplus-32.png

gplus-32.png

9 ms

top.png

top.png

209 ms

index.png

index.png

670 ms

blank.png

blank.png

108 ms

b1-on.png

b1-on.png

108 ms

b2-off.png

b2-off.png

108 ms

b7-off.png

b7-off.png

299 ms

b8-off.png

b8-off.png

213 ms

button.png

button.png

212 ms

areatop.png

areatop.png

210 ms

area.png

area.png

310 ms

dot.gif

dot.gif

314 ms

news.png

news.png

317 ms

areabot.png

areabot.png

316 ms

home.png

home.png

403 ms

green.png

green.png

412 ms

sps.jpg

sps.jpg

418 ms

youtube.jpg

youtube.jpg

420 ms

facebook.png

facebook.png

420 ms

02.jpg

02.jpg

2725 ms

03.jpg

03.jpg

2927 ms

5.jpg

5.jpg

3031 ms

analytics.js

analytics.js

13 ms

collect

collect

11 ms

attractive-climatizer.css

attractive-climatizer.css

107 ms

lm60.jpg

lm60.jpg

212 ms

Accessibility Review

climatizer.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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

climatizer.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

climatizer.cz SEO score

90

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Climatizer.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 Climatizer.cz main page’s claimed encoding is windows-1250. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

climatizer.cz

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