Tools & Wizards About Us
kominsos.cz screenshot

Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

kominsos.cz

KomínSOS - Profesionální rekonstrukce, výstavba a servis pro Váš komín - www.kominsos.cz

Page Load Speed

4 sec in total

First Response

412 ms

Resources Loaded

3.2 sec

Page Rendered

354 ms

kominsos.cz screenshot

About Website

Click here to check amazing Kominsos content for Czech Republic. Otherwise, check out these important facts you probably never knew about kominsos.cz

Specialisté ve výstavbě a rekonstrukcích komínů, frézování komínů, vložkování komínů a revizí komínů.Dále nabízíme prodej a montáž komínových systémů Schiedel a příslušenství ke komínům jako jsou komí...

Visit kominsos.cz

Key Findings

We analyzed Kominsos.cz page load time and found that the first response time was 412 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster. This domain responded with an error, which can significantly jeopardize Kominsos.cz rating and web reputation

Performance Metrics

kominsos.cz performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.187

65/100

15%

TTI (Time to Interactive)

Value4.0 s

87/100

10%

Network Requests Diagram

kominsos.cz

412 ms

www.kominsos.cz

1339 ms

kominsos.css

190 ms

jquery.images.css

195 ms

slider_royal.css

192 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 94% of them (47 requests) were addressed to the original Kominsos.cz, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to T.leady.cz. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Kominsos.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 175.8 kB (28%)

Content Size

630.3 kB

After Optimization

454.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kominsos.cz main page is 630.3 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. 45% of websites need less resources to load. Images take 386.5 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 13.4 kB

  • Original 17.9 kB
  • After minification 14.8 kB
  • After compression 4.5 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 3.1 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 13.4 kB or 75% of the original size.

Image Optimization

-5%

Potential reduce by 18.9 kB

  • Original 386.5 kB
  • After minification 367.6 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. Kominsos images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 113.7 kB

  • Original 190.2 kB
  • After minification 189.8 kB
  • After compression 76.5 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 113.7 kB or 60% of the original size.

CSS Optimization

-84%

Potential reduce by 29.8 kB

  • Original 35.7 kB
  • After minification 26.4 kB
  • After compression 5.9 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. Kominsos.cz needs all CSS files to be minified and compressed as it can save up to 29.8 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (13%)

Requests Now

40

After Optimization

35

  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kominsos. 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

kominsos.cz

kominsos.cz

412 ms

www.kominsos.cz

www.kominsos.cz

1339 ms

kominsos.css

kominsos.css

190 ms

jquery.images.css

jquery.images.css

195 ms

slider_royal.css

slider_royal.css

192 ms

jquery.js

jquery.js

484 ms

jquery.images.js

jquery.images.js

291 ms

slider_royal.js

slider_royal.js

389 ms

jquery.wpj.config.js

jquery.wpj.config.js

285 ms

background.gif

background.gif

98 ms

background-top.jpg

background-top.jpg

99 ms

logo.png

logo.png

99 ms

header_phone.gif

header_phone.gif

98 ms

banner_001_slider.jpg

banner_001_slider.jpg

203 ms

banner_002_slider.jpg

banner_002_slider.jpg

200 ms

banner_03_slider.jpg

banner_03_slider.jpg

121 ms

normal-120_small.jpg

normal-120_small.jpg

296 ms

footer_logo.gif

footer_logo.gif

195 ms

header_back.gif

header_back.gif

380 ms

search_button.gif

search_button.gif

209 ms

header_poptavka.jpg

header_poptavka.jpg

283 ms

menu_center_back.jpg

menu_center_back.jpg

289 ms

slider_center_back.jpg

slider_center_back.jpg

304 ms

slider_man.png

slider_man.png

551 ms

page_top.gif

page_top.gif

425 ms

page_top_back.gif

page_top_back.gif

502 ms

services_01.jpg

services_01.jpg

396 ms

services_button_shadow.gif

services_button_shadow.gif

397 ms

services_02.jpg

services_02.jpg

492 ms

services_03.jpg

services_03.jpg

497 ms

services_04.jpg

services_04.jpg

526 ms

services_new_mobile.jpg

services_new_mobile.jpg

533 ms

page_bottom.gif

page_bottom.gif

709 ms

bottom_back.gif

bottom_back.gif

710 ms

news_date.png

news_date.png

595 ms

bottom_map.png

bottom_map.png

622 ms

map_marker.png

map_marker.png

650 ms

map_big_marker.png

map_big_marker.png

668 ms

L.js

L.js

217 ms

ga.js

ga.js

26 ms

jquery-lightbox-theme.png

jquery-lightbox-theme.png

630 ms

slider_pagination.png

slider_pagination.png

691 ms

slider_arrows.png

slider_arrows.png

704 ms

avantgargot-dem-webfont.eot

avantgargot-dem-webfont.eot

705 ms

avantgargot-bol-webfont.eot

avantgargot-bol-webfont.eot

847 ms

avantgargot-boo-webfont.eot

avantgargot-boo-webfont.eot

746 ms

__utm.gif

__utm.gif

10 ms

avantgargot-dem-webfont.woff

avantgargot-dem-webfont.woff

99 ms

avantgargot-boo-webfont.woff

avantgargot-boo-webfont.woff

99 ms

avantgargot-bol-webfont.woff

avantgargot-bol-webfont.woff

116 ms

Accessibility Review

kominsos.cz accessibility score

73

Accessibility Issues

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

kominsos.cz best practices score

58

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

kominsos.cz SEO score

75

Search Engine Optimization Advices

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 Kominsos.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 Kominsos.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

kominsos.cz

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