Tools & Wizards About Us
zoner.cz screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

zoner.cz

Nejlepší český program na fotky a videa | Zoner Photo Studio X

Page Load Speed

3.5 sec in total

First Response

410 ms

Resources Loaded

2.6 sec

Page Rendered

506 ms

zoner.cz screenshot

About Website

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

Program na úpravu fotek i videí v jednom?

Visit zoner.cz

Key Findings

We analyzed Zoner.cz page load time and found that the first response time was 410 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

zoner.cz performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

8/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value430 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value7.4 s

49/100

10%

Network Requests Diagram

zoner.cz

410 ms

www.zoner.cz

782 ms

gtm.js

76 ms

x.base.css

282 ms

jquery.min.js

25 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 77% of them (48 requests) were addressed to the original Zoner.cz, 5% (3 requests) were made to Googletagmanager.com and 5% (3 requests) were made to I.ytimg.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Milujemefotografii.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 177.7 kB (14%)

Content Size

1.3 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zoner.cz main page is 1.3 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. 50% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 60.6 kB

  • Original 85.0 kB
  • After minification 84.5 kB
  • After compression 24.4 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. 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 60.6 kB or 71% of the original size.

Image Optimization

-10%

Potential reduce by 111.5 kB

  • Original 1.1 MB
  • After minification 992.0 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. Zoner images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 367 B

  • Original 63.9 kB
  • After minification 63.9 kB
  • After compression 63.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-25%

Potential reduce by 5.2 kB

  • Original 21.2 kB
  • After minification 21.2 kB
  • After compression 16.0 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. Zoner.cz needs all CSS files to be minified and compressed as it can save up to 5.2 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (26%)

Requests Now

57

After Optimization

42

  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zoner. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zoner.cz

zoner.cz

410 ms

www.zoner.cz

www.zoner.cz

782 ms

gtm.js

gtm.js

76 ms

x.base.css

x.base.css

282 ms

jquery.min.js

jquery.min.js

25 ms

zpsx.js

zpsx.js

330 ms

x.ambasador.css

x.ambasador.css

391 ms

x.timeline.css

x.timeline.css

449 ms

landing

landing

165 ms

js

js

48 ms

analytics.js

analytics.js

19 ms

destination

destination

156 ms

collect

collect

4 ms

vasek_siroky.png

vasek_siroky.png

700 ms

hqdefault.jpg

hqdefault.jpg

306 ms

zjednoduste-si-praci-v-zps-x-klavesovymi-zkratkami-1-425x284.png

zjednoduste-si-praci-v-zps-x-klavesovymi-zkratkami-1-425x284.png

805 ms

prehlednejsi-videoprojekt-diky-znackam-425x284.jpg

prehlednejsi-videoprojekt-diky-znackam-425x284.jpg

900 ms

jak-upravit-fotky-hdr-uvodni-ii-425x284.png

jak-upravit-fotky-hdr-uvodni-ii-425x284.png

1190 ms

hqdefault.jpg

hqdefault.jpg

573 ms

hqdefault.jpg

hqdefault.jpg

566 ms

zpsx-logo.svg

zpsx-logo.svg

110 ms

ico-hp-users.svg

ico-hp-users.svg

186 ms

ico-hp-price.svg

ico-hp-price.svg

193 ms

ico-hp-win.svg

ico-hp-win.svg

195 ms

hp-hdr_before.jpg

hp-hdr_before.jpg

406 ms

hp-hdr_after.jpg

hp-hdr_after.jpg

503 ms

hp-video.jpg

hp-video.jpg

504 ms

zpsx-tipa-award.png

zpsx-tipa-award.png

211 ms

amb_musil.png

amb_musil.png

253 ms

amb_svatos.png

amb_svatos.png

311 ms

amb_vaskova.png

amb_vaskova.png

352 ms

amb_hruzova.png

amb_hruzova.png

501 ms

amb_kevin.png

amb_kevin.png

417 ms

amb_amulet.png

amb_amulet.png

452 ms

amb_simandel.png

amb_simandel.png

508 ms

amb_kenji.png

amb_kenji.png

517 ms

amb_povolen.png

amb_povolen.png

551 ms

amb_kubin.png

amb_kubin.png

602 ms

amb_urban.png

amb_urban.png

601 ms

amb_buchalova.png

amb_buchalova.png

602 ms

amb_danihelka.png

amb_danihelka.png

608 ms

amb_kasal.png

amb_kasal.png

615 ms

amb_kouril.png

amb_kouril.png

651 ms

amb_kroul.png

amb_kroul.png

699 ms

amb_mala.png

amb_mala.png

699 ms

amb_marinakova.png

amb_marinakova.png

700 ms

amb_miskovsky.png

amb_miskovsky.png

706 ms

amb_popperova.png

amb_popperova.png

715 ms

amb_sera.png

amb_sera.png

749 ms

amb_svatos.jpg

amb_svatos.jpg

803 ms

logo-zoner-grey.png

logo-zoner-grey.png

795 ms

mpo_eu_op.png

mpo_eu_op.png

796 ms

cookieconsent.js

cookieconsent.js

796 ms

ico-help.svg

ico-help.svg

810 ms

ico-play-black.svg

ico-play-black.svg

668 ms

ico-magazine-black.svg

ico-magazine-black.svg

715 ms

X010.svg

X010.svg

715 ms

MuseoSans_300-webfont.woff

MuseoSans_300-webfont.woff

719 ms

MuseoSans_900-webfont.woff

MuseoSans_900-webfont.woff

722 ms

MuseoSans_700-webfont.woff

MuseoSans_700-webfont.woff

734 ms

flags.png

flags.png

739 ms

cookieconsent.css

cookieconsent.css

187 ms

Accessibility Review

zoner.cz accessibility score

88

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

zoner.cz best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

zoner.cz SEO score

91

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 Zoner.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 Zoner.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

zoner.cz

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