Tools & Wizards About Us
skg.cz screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

skg.cz

KOTLE - SERVIS - PLYN | Vaillant - Protherm | SKG - Hranička - Plzeň

Page Load Speed

4 sec in total

First Response

386 ms

Resources Loaded

3.2 sec

Page Rendered

456 ms

skg.cz screenshot

About Website

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

Montáže a servis plynových kotlů a rozvody plynu již od roku 1997. ✅ ZDARMA zaměření a kalkulace. ✅ ZÁRUKA minimálně 3 roky.

Visit skg.cz

Key Findings

We analyzed Skg.cz page load time and found that the first response time was 386 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

skg.cz performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value9.5 s

0/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value930 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0.555

13/100

15%

TTI (Time to Interactive)

Value9.5 s

30/100

10%

Network Requests Diagram

skg.cz

386 ms

www.skg.cz

979 ms

bootstrap.min.css

61 ms

animate.min.css

71 ms

animated-headline.css

98 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 45% of them (30 requests) were addressed to the original Skg.cz, 37% (25 requests) were made to Nicdn.eu and 13% (9 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (979 ms) belongs to the original domain Skg.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 101.9 kB (26%)

Content Size

396.9 kB

After Optimization

295.0 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Skg.cz main page is 396.9 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. 60% of websites need less resources to load. Javascripts take 188.8 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 51.9 kB

  • Original 61.3 kB
  • After minification 46.9 kB
  • After compression 9.4 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 14.4 kB, which is 23% 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 51.9 kB or 85% of the original size.

JavaScript Optimization

-12%

Potential reduce by 23.3 kB

  • Original 188.8 kB
  • After minification 183.1 kB
  • After compression 165.5 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 23.3 kB or 12% of the original size.

CSS Optimization

-18%

Potential reduce by 26.7 kB

  • Original 146.8 kB
  • After minification 145.9 kB
  • After compression 120.2 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. Skg.cz needs all CSS files to be minified and compressed as it can save up to 26.7 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 45 (88%)

Requests Now

51

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SKG. 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 20 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

skg.cz

skg.cz

386 ms

www.skg.cz

www.skg.cz

979 ms

bootstrap.min.css

bootstrap.min.css

61 ms

animate.min.css

animate.min.css

71 ms

animated-headline.css

animated-headline.css

98 ms

all.min.css

all.min.css

82 ms

et-line.css

et-line.css

193 ms

themify-icons.css

themify-icons.css

285 ms

owl.carousel.min.css

owl.carousel.min.css

100 ms

owl.theme.default.min.css

owl.theme.default.min.css

86 ms

xzoom.css

xzoom.css

301 ms

stylesheet_83_1705180065.min.css

stylesheet_83_1705180065.min.css

392 ms

stylesheet_84_1704641976.min.css

stylesheet_84_1704641976.min.css

286 ms

prism.css

prism.css

301 ms

stylesheet_82_1704694428.min.css

stylesheet_82_1704694428.min.css

512 ms

fade.css

fade.css

85 ms

magnific-popup.min.css

magnific-popup.min.css

83 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

77 ms

stylesheet_74_1705215369.min.css

stylesheet_74_1705215369.min.css

378 ms

cmsadmin.min.css

cmsadmin.min.css

86 ms

cookie-consent.js

cookie-consent.js

506 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

501 ms

popper.min.js

popper.min.js

378 ms

bootstrap.min.js

bootstrap.min.js

405 ms

nav-menu.js

nav-menu.js

399 ms

easy.responsive.tabs.js

easy.responsive.tabs.js

399 ms

owl.carousel.min.js

owl.carousel.min.js

310 ms

jquery.counterup.min.js

jquery.counterup.min.js

470 ms

jquery.stellar.min.js

jquery.stellar.min.js

474 ms

waypoints.min.js

waypoints.min.js

483 ms

owl.carousel.thumbs.js

owl.carousel.thumbs.js

483 ms

animated-headline.js

animated-headline.js

491 ms

wow.min.js

wow.min.js

300 ms

tilt.js

tilt.js

752 ms

jquery.mousewheel.min.js

jquery.mousewheel.min.js

752 ms

prism.js

prism.js

753 ms

javascript_21_1704694445.min.js

javascript_21_1704694445.min.js

753 ms

ls.bgset.min.js

ls.bgset.min.js

318 ms

ls.respimg.min.js

ls.respimg.min.js

749 ms

lazysizes.min.js

lazysizes.min.js

749 ms

javascript_18_1653654795.min.js

javascript_18_1653654795.min.js

751 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

749 ms

javascript_7_1705215596.min.js

javascript_7_1705215596.min.js

758 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

759 ms

cmsadmin.min.js

cmsadmin.min.js

758 ms

cmsadmin_overlay.min.js

cmsadmin_overlay.min.js

758 ms

css2

css2

29 ms

css2

css2

45 ms

gtm.js

gtm.js

420 ms

loading.gif

loading.gif

185 ms

logoWhite.svg

logoWhite.svg

395 ms

logo.svg

logo.svg

392 ms

rP2tp2ywxg089UriI5-g4vlH9VoD8CmcqZG40F9JadbnoEwAopxhTg.ttf

rP2tp2ywxg089UriI5-g4vlH9VoD8CmcqZG40F9JadbnoEwAopxhTg.ttf

69 ms

rP2tp2ywxg089UriI5-g4vlH9VoD8CmcqZG40F9JadbnoEwAkJxhTg.ttf

rP2tp2ywxg089UriI5-g4vlH9VoD8CmcqZG40F9JadbnoEwAkJxhTg.ttf

70 ms

rP2tp2ywxg089UriI5-g4vlH9VoD8CmcqZG40F9JadbnoEwARZthTg.ttf

rP2tp2ywxg089UriI5-g4vlH9VoD8CmcqZG40F9JadbnoEwARZthTg.ttf

237 ms

pxiEyp8kv8JHgFVrFJA.ttf

pxiEyp8kv8JHgFVrFJA.ttf

276 ms

pxiByp8kv8JHgFVrLGT9V1s.ttf

pxiByp8kv8JHgFVrLGT9V1s.ttf

278 ms

pxiByp8kv8JHgFVrLDz8V1s.ttf

pxiByp8kv8JHgFVrLDz8V1s.ttf

278 ms

pxiByp8kv8JHgFVrLEj6V1s.ttf

pxiByp8kv8JHgFVrLEj6V1s.ttf

277 ms

pxiByp8kv8JHgFVrLCz7V1s.ttf

pxiByp8kv8JHgFVrLCz7V1s.ttf

279 ms

pxiByp8kv8JHgFVrLDD4V1s.ttf

pxiByp8kv8JHgFVrLDD4V1s.ttf

278 ms

et-line.woff

et-line.woff

368 ms

themify.woff

themify.woff

368 ms

fa-solid-900.woff

fa-solid-900.woff

546 ms

fa-regular-400.woff

fa-regular-400.woff

324 ms

fa-brands-400.woff

fa-brands-400.woff

521 ms

montaz-kotel2.webp

montaz-kotel2.webp

859 ms

Accessibility Review

skg.cz accessibility score

94

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

Links do not have a discernible name

Best Practices

skg.cz best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

skg.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 Skg.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 Skg.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

skg.cz

Open Graph data is detected on the main page of SKG. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: