Report Summary

  • 35

    Performance

    Renders faster than
    54% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

bata.cz

Bata | Obchod s obuví a doplňky pro celou rodinu

Page Load Speed

5.3 sec in total

First Response

613 ms

Resources Loaded

4.1 sec

Page Rendered

620 ms

bata.cz screenshot

About Website

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

Internetový obchod Bata nabízí širokou škálu obuvi, od sportovní až po elegantní styly. Objevte nejnovější trendy a pohodlnou obuv pro celou rodinu. Prozkoumejte naši kolekci ještě dnes!

Visit bata.cz

Key Findings

We analyzed Bata.cz page load time and found that the first response time was 613 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

bata.cz performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

59/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value4,560 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value14.3 s

9/100

10%

Network Requests Diagram

613 ms

main_home.min.js

267 ms

analytics-index.min.js

278 ms

knqezlwia6

79 ms

gtm.js

106 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Bata.cz, 11% (8 requests) were made to Fonts.gstatic.com and 4% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Bata.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 650.3 kB (37%)

Content Size

1.8 MB

After Optimization

1.1 MB

In fact, the total size of Bata.cz main page is 1.8 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 854.9 kB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 321.9 kB

  • Original 353.7 kB
  • After minification 254.3 kB
  • After compression 31.8 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 99.4 kB, which is 28% 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 321.9 kB or 91% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 485.7 kB
  • After minification 485.7 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. Bata images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 326.8 kB

  • Original 854.9 kB
  • After minification 854.8 kB
  • After compression 528.1 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 326.8 kB or 38% of the original size.

CSS Optimization

-2%

Potential reduce by 1.6 kB

  • Original 68.0 kB
  • After minification 68.0 kB
  • After compression 66.4 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. Bata.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 36 (59%)

Requests Now

61

After Optimization

25

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bata. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

bata.cz accessibility score

82

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

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

bata.cz best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

bata.cz SEO score

86

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

Links do not have descriptive text

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

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 Bata.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 Bata.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

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