Tools & Wizards About Us
hein.cz screenshot

Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

hein.cz

Kachlová kamna a kachle | Český výrobce kachlů a kachlových kamen | HEIN

Page Load Speed

2.9 sec in total

First Response

406 ms

Resources Loaded

2.4 sec

Page Rendered

159 ms

hein.cz screenshot

About Website

Welcome to hein.cz homepage info - get ready to check HEIN best content for Czech Republic right away, or after learning these important things about hein.cz

Kachlová kamna jsou pro své vlastnosti ideálním zdrojem sálavého tepla - vyrábíme kachlová kamna tradiční, moderní kachlové krby, kachle pro zakázkové stavby kamen.

Visit hein.cz

Key Findings

We analyzed Hein.cz page load time and found that the first response time was 406 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

hein.cz performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

18/100

25%

SI (Speed Index)

Value4.4 s

74/100

10%

TBT (Total Blocking Time)

Value310 ms

77/100

30%

CLS (Cumulative Layout Shift)

Value0.1

89/100

15%

TTI (Time to Interactive)

Value4.5 s

82/100

10%

Network Requests Diagram

hein.cz

406 ms

www.hein.cz

538 ms

sc.js

530 ms

css

36 ms

main.css

101 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 77% of them (34 requests) were addressed to the original Hein.cz, 9% (4 requests) were made to Fonts.gstatic.com and 7% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (683 ms) relates to the external source C.seznam.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 58.3 kB (7%)

Content Size

837.2 kB

After Optimization

778.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Hein.cz main page is 837.2 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. 35% of websites need less resources to load. Images take 642.4 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 18.6 kB

  • Original 25.2 kB
  • After minification 19.5 kB
  • After compression 6.7 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. This page needs HTML code to be minified as it can gain 5.7 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 18.6 kB or 74% of the original size.

Image Optimization

-4%

Potential reduce by 26.0 kB

  • Original 642.4 kB
  • After minification 616.3 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. HEIN images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 12.5 kB

  • Original 147.1 kB
  • After minification 147.1 kB
  • After compression 134.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-5%

Potential reduce by 1.2 kB

  • Original 22.4 kB
  • After minification 22.4 kB
  • After compression 21.2 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. Hein.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 18 (47%)

Requests Now

38

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of HEIN. 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 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

hein.cz

hein.cz

406 ms

www.hein.cz

www.hein.cz

538 ms

sc.js

sc.js

530 ms

css

css

36 ms

main.css

main.css

101 ms

ga-scripts.js

ga-scripts.js

197 ms

jquery-1.11.1.min.js

jquery-1.11.1.min.js

17 ms

jquery.sidr.dark.css

jquery.sidr.dark.css

287 ms

jquery.sidr.min.js

jquery.sidr.min.js

286 ms

owl.carousel.css

owl.carousel.css

288 ms

owl.theme.css

owl.theme.css

288 ms

owl.carousel.js

owl.carousel.js

291 ms

colorbox.css

colorbox.css

292 ms

jquery.colorbox.js

jquery.colorbox.js

384 ms

tooltipster.css

tooltipster.css

381 ms

jquery.tooltipster.js

jquery.tooltipster.js

384 ms

responsive-tabs.css

responsive-tabs.css

384 ms

jquery.responsiveTabs.js

jquery.responsiveTabs.js

388 ms

scripts.js

scripts.js

388 ms

css2

css2

18 ms

css

css

27 ms

responsive-icon-btn.png

responsive-icon-btn.png

97 ms

logo-slogan.png

logo-slogan.png

98 ms

logo-small.jpg

logo-small.jpg

97 ms

2134.jpg

2134.jpg

478 ms

2135.jpg

2135.jpg

387 ms

kachle3.png

kachle3.png

191 ms

kachle1.png

kachle1.png

285 ms

kachle2.png

kachle2.png

286 ms

kachle4.png

kachle4.png

289 ms

heipark_logo.png

heipark_logo.png

287 ms

romotop_logo.png

romotop_logo.png

381 ms

logo-storch.png

logo-storch.png

381 ms

kamnari_logo.png

kamnari_logo.png

381 ms

logo-autorizovany-clen-HEIN.png

logo-autorizovany-clen-HEIN.png

384 ms

facebook.jpg

facebook.jpg

475 ms

youtube.jpg

youtube.jpg

477 ms

pozadi-2017.jpg

pozadi-2017.jpg

562 ms

retargeting.js

retargeting.js

683 ms

cY9qfjOCX1hbuyalUrK49dLac06G1ZGsZBtoBCzBDXXD9JVF438weI_ADA.ttf

cY9qfjOCX1hbuyalUrK49dLac06G1ZGsZBtoBCzBDXXD9JVF438weI_ADA.ttf

18 ms

cY9qfjOCX1hbuyalUrK49dLac06G1ZGsZBtoBCzBDXXD9JVF438wSo_ADA.ttf

cY9qfjOCX1hbuyalUrK49dLac06G1ZGsZBtoBCzBDXXD9JVF438wSo_ADA.ttf

25 ms

cY9qfjOCX1hbuyalUrK49dLac06G1ZGsZBtoBCzBDXXD9JVF438wJo_ADA.ttf

cY9qfjOCX1hbuyalUrK49dLac06G1ZGsZBtoBCzBDXXD9JVF438wJo_ADA.ttf

33 ms

cY9qfjOCX1hbuyalUrK49dLac06G1ZGsZBtoBCzBDXXD9JVF438wn4jADA.ttf

cY9qfjOCX1hbuyalUrK49dLac06G1ZGsZBtoBCzBDXXD9JVF438wn4jADA.ttf

31 ms

overlay.png

overlay.png

97 ms

Accessibility Review

hein.cz accessibility score

89

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

hein.cz best practices score

75

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

hein.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 Hein.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 Hein.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

hein.cz

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