Tools & Wizards About Us
ok-shop.cz screenshot

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

ok-shop.cz

OK-SHOP.CZ – elektronika, kosmetika, drogerie, domácí potřeby, hobby, hračky, chovatelské potřeby

Page Load Speed

7.3 sec in total

First Response

331 ms

Resources Loaded

6.6 sec

Page Rendered

365 ms

ok-shop.cz screenshot

About Website

Visit ok-shop.cz now to see the best up-to-date OK SHOP content for Czech Republic and also check out these interesting facts you probably never knew about ok-shop.cz

OK-SHOP.CZ - profesionální a spolehlivý obchod nabízející elektroniku, kosmetiku, drogerii, domácí potřeby, hobby, hračky a chovatelské potřeby

Visit ok-shop.cz

Key Findings

We analyzed Ok-shop.cz page load time and found that the first response time was 331 ms and then it took 7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

ok-shop.cz performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.7 s

2/100

10%

LCP (Largest Contentful Paint)

Value15.2 s

0/100

25%

SI (Speed Index)

Value11.2 s

5/100

10%

TBT (Total Blocking Time)

Value1,270 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.407

24/100

15%

TTI (Time to Interactive)

Value22.3 s

1/100

10%

Network Requests Diagram

ok-shop.cz

331 ms

www.ok-shop.cz

609 ms

reset.css

211 ms

bootstrap.min.css

526 ms

stylesheet.css

316 ms

Our browser made a total of 302 requests to load all elements on the main page. We found that 84% of them (253 requests) were addressed to the original Ok-shop.cz, 3% (10 requests) were made to Static.xx.fbcdn.net and 3% (8 requests) were made to App.livechatoo.com. The less responsive or slowest element that took the longest time to load (988 ms) belongs to the original domain Ok-shop.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 784.1 kB (41%)

Content Size

1.9 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ok-shop.cz main page is 1.9 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. 70% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 157.6 kB

  • Original 183.7 kB
  • After minification 155.9 kB
  • After compression 26.2 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 27.8 kB, which is 15% 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 157.6 kB or 86% of the original size.

Image Optimization

-13%

Potential reduce by 141.7 kB

  • Original 1.1 MB
  • After minification 928.7 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. Obviously, OK SHOP needs image optimization as it can save up to 141.7 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-73%

Potential reduce by 302.4 kB

  • Original 411.7 kB
  • After minification 365.0 kB
  • After compression 109.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 302.4 kB or 73% of the original size.

CSS Optimization

-81%

Potential reduce by 182.4 kB

  • Original 224.4 kB
  • After minification 204.3 kB
  • After compression 42.1 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. Ok-shop.cz needs all CSS files to be minified and compressed as it can save up to 182.4 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 46 (16%)

Requests Now

294

After Optimization

248

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 294 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OK SHOP. 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 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ok-shop.cz

ok-shop.cz

331 ms

www.ok-shop.cz

www.ok-shop.cz

609 ms

reset.css

reset.css

211 ms

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526 ms

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kat.sponkovaci-pistole-80x80.jpg

659 ms

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kat.prumyslove-vysavace-80x80.jpg

637 ms

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kat.prilba-80x80.jpg

630 ms

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kat.rucni-naradi-80x80.jpg

634 ms

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kat.vodotopo-80x80.jpg

667 ms

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kat.trezory-a-zamky-80x80.jpg

657 ms

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kat.box-na-naradi-80x80.jpg

659 ms

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kat.zebriky-stafle-80x80.jpg

624 ms

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628 ms

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629 ms

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672 ms

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kat-dilenske-vybaveni-80x80.jpg

657 ms

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650 ms

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634 ms

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628 ms

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631 ms

kat-alkalicke-baterie-80x80.jpg

kat-alkalicke-baterie-80x80.jpg

680 ms

kat.elektro-televize-80x80.jpg

kat.elektro-televize-80x80.jpg

649 ms

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653 ms

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629 ms

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637 ms

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kat.alarm-80x80.jpg

631 ms

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678 ms

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kat.cas.spinac-80x80.jpg

645 ms

kat.pohyb.cidlo-80x80.jpg

kat.pohyb.cidlo-80x80.jpg

646 ms

kat-pc-telefony-gps-kancelar-80x80.jpg

kat-pc-telefony-gps-kancelar-80x80.jpg

639 ms

kat_bile-zbozi-klima-80x80.jpg

kat_bile-zbozi-klima-80x80.jpg

634 ms

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kat_velke-spotrebice-80x80.jpg

640 ms

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680 ms

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640 ms

kat_hracky-pro-holky-80x80.jpg

kat_hracky-pro-holky-80x80.jpg

641 ms

kat_hracky-pro-kluky-80x80.jpg

kat_hracky-pro-kluky-80x80.jpg

637 ms

kat_cisticky_domovni-80x80.jpg

kat_cisticky_domovni-80x80.jpg

641 ms

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644 ms

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kat_svetliky-80x80.jpg

680 ms

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635 ms

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kat_terasy-80x80.jpg

634 ms

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kategorie-zatravnovaci-80x80.jpg

639 ms

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646 ms

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648 ms

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680 ms

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629 ms

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632 ms

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ka.-revizni-dvirka-80x80.jpg

637 ms

kat.manometry_regulace-80x80.jpg

kat.manometry_regulace-80x80.jpg

649 ms

kat_upevnovaci-material-80x80.jpg

kat_upevnovaci-material-80x80.jpg

656 ms

kat_rozvody_topeni-80x80.jpg

kat_rozvody_topeni-80x80.jpg

680 ms

kat_instal_plyn-80x80.jpg

kat_instal_plyn-80x80.jpg

627 ms

kat_rozvody_ppr-80x80.jpg

kat_rozvody_ppr-80x80.jpg

628 ms

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634 ms

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650 ms

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kat.rohovy.vent-80x80.jpg

658 ms

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kat.napou.vypou-80x80.jpg

678 ms

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627 ms

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629 ms

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633 ms

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655 ms

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661 ms

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662 ms

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632 ms

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639 ms

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kat.prackove-hadice-80x80.jpg

632 ms

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657 ms

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kat_gebo-spojky-80x80.jpg

661 ms

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kat_fitness-sport-80x80.jpg

654 ms

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634 ms

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637 ms

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kat.osobni-teplomery-80x80.jpg

642 ms

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kat.masazni-pristroje-80x80.jpg

658 ms

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661 ms

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645 ms

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633 ms

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638 ms

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650 ms

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658 ms

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kat_kosmeticke-pomucky-80x80.jpg

663 ms

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636 ms

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636 ms

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637 ms

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660 ms

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662 ms

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659 ms

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627 ms

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636 ms

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639 ms

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667 ms

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662 ms

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660 ms

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628 ms

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633 ms

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637 ms

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675 ms

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660 ms

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660 ms

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hp-01.gif

629 ms

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634 ms

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631 ms

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681 ms

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988 ms

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319 ms

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317 ms

Accessibility Review

ok-shop.cz accessibility score

71

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

ok-shop.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

ok-shop.cz SEO score

83

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Ok-shop.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 Ok-shop.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

ok-shop.cz

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