Report Summary

  • 59

    Performance

    Renders faster than
    75% of other websites

  • 50

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

ok-obchod.cz

Šicí stroje, vyšívací stroje a overlocky z Ráje šití

Page Load Speed

4.2 sec in total

First Response

673 ms

Resources Loaded

3.2 sec

Page Rendered

285 ms

ok-obchod.cz screenshot

About Website

Click here to check amazing Ok Obchod content. Otherwise, check out these important facts you probably never knew about ok-obchod.cz

Šicí stroje, vyšívací stroje, overlocky a mandly ze specializovaného obchodu Ráj šití. Široká nabídka šicích strojů, příslušenství, žehlící techniky a galanterie.

Visit ok-obchod.cz

Key Findings

We analyzed Ok-obchod.cz page load time and found that the first response time was 673 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

ok-obchod.cz performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

33/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.162

72/100

15%

TTI (Time to Interactive)

Value4.3 s

85/100

10%

Network Requests Diagram

www.ok-obchod.cz

673 ms

default.css

485 ms

tooltiprollover.css

228 ms

jquery.js

50 ms

tooltiprollover.js

231 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 84% of them (75 requests) were addressed to the original Ok-obchod.cz, 2% (2 requests) were made to Google-analytics.com and 2% (2 requests) were made to H.imedia.cz. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Ok-obchod.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 170.9 kB (26%)

Content Size

648.1 kB

After Optimization

477.2 kB

In fact, the total size of Ok-obchod.cz main page is 648.1 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 464.6 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 27.3 kB

  • Original 36.6 kB
  • After minification 34.5 kB
  • After compression 9.3 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. 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 27.3 kB or 75% of the original size.

Image Optimization

-8%

Potential reduce by 35.9 kB

  • Original 464.6 kB
  • After minification 428.7 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. Ok Obchod images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 44.2 kB

  • Original 73.8 kB
  • After minification 63.2 kB
  • After compression 29.6 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 44.2 kB or 60% of the original size.

CSS Optimization

-87%

Potential reduce by 63.5 kB

  • Original 73.2 kB
  • After minification 64.2 kB
  • After compression 9.7 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-obchod.cz needs all CSS files to be minified and compressed as it can save up to 63.5 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 43 (50%)

Requests Now

86

After Optimization

43

The browser has sent 86 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ok Obchod. 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 as a result speed up the page load time.

Accessibility Review

ok-obchod.cz accessibility score

50

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

Image elements do not have [alt] attributes

High

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

ok-obchod.cz best practices score

58

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

SEO Factors

ok-obchod.cz SEO score

69

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    CS

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ok-obchod.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-obchod.cz main page’s claimed encoding is windows-1250. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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