Tools & Wizards About Us
azokna.cz screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

azokna.cz

Český výrobce plastových oken a dveří | AZ OKNA a.s.

Page Load Speed

23.7 sec in total

First Response

537 ms

Resources Loaded

22.8 sec

Page Rendered

372 ms

azokna.cz screenshot

About Website

Welcome to azokna.cz homepage info - get ready to check AZ OKNA best content right away, or after learning these important things about azokna.cz

Český výrobce plastových a hliníkových oken a dveří, včetně montáže, servisu a nabídky příslušenství. Při výrobě používáme moderní automatické linky. Společnost AZ OKNA a.s. dává přednost kvalitě před...

Visit azokna.cz

Key Findings

We analyzed Azokna.cz page load time and found that the first response time was 537 ms and then it took 23.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

azokna.cz performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value14.7 s

1/100

10%

TBT (Total Blocking Time)

Value340 ms

74/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value7.8 s

45/100

10%

Network Requests Diagram

azokna.cz

537 ms

azokna.cz

395 ms

www.azokna.cz

795 ms

uvod

119 ms

js

75 ms

Our browser made a total of 105 requests to load all elements on the main page. We found that 91% of them (96 requests) were addressed to the original Azokna.cz, 4% (4 requests) were made to Fonts.gstatic.com and 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source Toplist.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 154.8 kB (4%)

Content Size

3.7 MB

After Optimization

3.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Azokna.cz main page is 3.7 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. Images take 3.5 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 47.9 kB

  • Original 55.2 kB
  • After minification 44.9 kB
  • After compression 7.3 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 10.3 kB, which is 19% 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 47.9 kB or 87% of the original size.

Image Optimization

-3%

Potential reduce by 102.8 kB

  • Original 3.5 MB
  • After minification 3.4 MB

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. AZ OKNA images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 2.3 kB

  • Original 55.6 kB
  • After minification 55.6 kB
  • After compression 53.3 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

-9%

Potential reduce by 1.8 kB

  • Original 20.6 kB
  • After minification 20.6 kB
  • After compression 18.8 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. Azokna.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 16 (17%)

Requests Now

92

After Optimization

76

  • Images
  • JavaScript
  • CSS

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of AZ OKNA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

azokna.cz

azokna.cz

537 ms

azokna.cz

azokna.cz

395 ms

www.azokna.cz

www.azokna.cz

795 ms

uvod

uvod

119 ms

js

js

75 ms

reset.css

reset.css

109 ms

hamburgers.css

hamburgers.css

209 ms

owl.carousel.min.css

owl.carousel.min.css

292 ms

owl.theme.default.min.css

owl.theme.default.min.css

293 ms

lightbox.css

lightbox.css

295 ms

style.css

style.css

302 ms

responsive.css

responsive.css

296 ms

aos.css

aos.css

312 ms

timeline.css

timeline.css

394 ms

jquery.min.js

jquery.min.js

22 ms

owl.carousel.min.js

owl.carousel.min.js

605 ms

doubletaptogo.js

doubletaptogo.js

393 ms

lightbox.js

lightbox.js

453 ms

aos.js

aos.js

454 ms

app.js

app.js

454 ms

css2

css2

57 ms

fbevents.js

fbevents.js

55 ms

lightbox_close.png

lightbox_close.png

142 ms

lightbox_loading.gif

lightbox_loading.gif

143 ms

lightbox_prev.png

lightbox_prev.png

142 ms

lightbox_next.png

lightbox_next.png

145 ms

logo_azokna.svg

logo_azokna.svg

145 ms

ikona_kalkulacka.svg

ikona_kalkulacka.svg

310 ms

ikona_tel2.svg

ikona_tel2.svg

312 ms

1.jpg

1.jpg

310 ms

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m_3097622445.jpg

433 ms

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434 ms

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478 ms

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438 ms

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437 ms

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439 ms

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532 ms

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534 ms

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629 ms

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630 ms

m_2996666628.jpg

m_2996666628.jpg

539 ms

m_3167302281.jpg

m_3167302281.jpg

763 ms

benefit_vyrobce.svg

benefit_vyrobce.svg

635 ms

benefit_zkusenosti.svg

benefit_zkusenosti.svg

637 ms

benefit_kvalita.svg

benefit_kvalita.svg

644 ms

benefit_zaruka.svg

benefit_zaruka.svg

732 ms

benefit_kompletni.svg

benefit_kompletni.svg

734 ms

dlazdice_okna.jpg

dlazdice_okna.jpg

736 ms

dlazdice_dvere.jpg

dlazdice_dvere.jpg

739 ms

dlazdice_vrata.jpg

dlazdice_vrata.jpg

745 ms

dlazdice_eshop.jpg

dlazdice_eshop.jpg

835 ms

logo_azokna_negativ.svg

logo_azokna_negativ.svg

836 ms

ikona_fb.svg

ikona_fb.svg

838 ms

count.asp

count.asp

20495 ms

ikona_insta.svg

ikona_insta.svg

808 ms

cesky_vyrobce.svg

cesky_vyrobce.svg

813 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Ew-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Ew-.ttf

38 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Ew-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Ew-.ttf

45 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu170w-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu170w-.ttf

60 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM70w-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM70w-.ttf

61 ms

GloriaHallelujah-Regular.ttf

GloriaHallelujah-Regular.ttf

1016 ms

hlavicka_foto_uvod3.jpg

hlavicka_foto_uvod3.jpg

1016 ms

hlavicka_foto_uvod4.jpg

hlavicka_foto_uvod4.jpg

836 ms

hlavicka_foto_uvod.jpg

hlavicka_foto_uvod.jpg

836 ms

slide1a.jpg

slide1a.jpg

1213 ms

bg_box_sipka.png

bg_box_sipka.png

657 ms

slide2.jpg

slide2.jpg

1226 ms

slide3.jpg

slide3.jpg

1974 ms

slide5.jpg

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1016 ms

slide6.jpg

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1014 ms

undefined.jpg

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1103 ms

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994 ms

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993 ms

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1079 ms

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1090 ms

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1090 ms

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1132 ms

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1084 ms

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1089 ms

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1090 ms

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999 ms

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1080 ms

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1079 ms

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1087 ms

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1086 ms

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995 ms

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1077 ms

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1079 ms

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1086 ms

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1087 ms

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1086 ms

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898 ms

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905 ms

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724 ms

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789 ms

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792 ms

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714 ms

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709 ms

Accessibility Review

azokna.cz accessibility score

89

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.

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

azokna.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

azokna.cz SEO score

88

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 Azokna.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 Azokna.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

azokna.cz

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