Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

tsbohemia.cz

T.S.BOHEMIA - Váš rodinný elektromarket

Page Load Speed

5.4 sec in total

First Response

284 ms

Resources Loaded

4.8 sec

Page Rendered

281 ms

tsbohemia.cz screenshot

About Website

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

T.S.BOHEMIA - Váš rodinný elektromarket

Visit tsbohemia.cz

Key Findings

We analyzed Tsbohemia.cz page load time and found that the first response time was 284 ms and then it took 5.1 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

tsbohemia.cz performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.4 s

1/100

10%

LCP (Largest Contentful Paint)

Value10.1 s

0/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value2,260 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.122

84/100

15%

TTI (Time to Interactive)

Value16.8 s

5/100

10%

Network Requests Diagram

tsbohemia.cz

284 ms

www.tsbohemia.cz

367 ms

Default.asp

858 ms

default_css.asp

1395 ms

jsapi

35 ms

Our browser made a total of 99 requests to load all elements on the main page. We found that 18% of them (18 requests) were addressed to the original Tsbohemia.cz, 56% (55 requests) were made to Link.tsbohemia.cz and 12% (12 requests) were made to Interlink-static.tsbohemia.cz. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Link.tsbohemia.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (38%)

Content Size

3.8 MB

After Optimization

2.3 MB

In fact, the total size of Tsbohemia.cz main page is 3.8 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. 50% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 41.5 kB

  • Original 52.8 kB
  • After minification 45.5 kB
  • After compression 11.3 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 7.4 kB, which is 14% 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 41.5 kB or 79% of the original size.

Image Optimization

-5%

Potential reduce by 111.7 kB

  • Original 2.2 MB
  • After minification 2.0 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. T S BOHEMIA images are well optimized though.

JavaScript Optimization

-79%

Potential reduce by 711.2 kB

  • Original 898.9 kB
  • After minification 646.6 kB
  • After compression 187.7 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 711.2 kB or 79% of the original size.

CSS Optimization

-86%

Potential reduce by 577.2 kB

  • Original 673.3 kB
  • After minification 580.6 kB
  • After compression 96.1 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. Tsbohemia.cz needs all CSS files to be minified and compressed as it can save up to 577.2 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (36%)

Requests Now

95

After Optimization

61

The browser has sent 95 CSS, Javascripts, AJAX and image requests in order to completely render the main page of T S BOHEMIA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

tsbohemia.cz accessibility score

87

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

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

tsbohemia.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

tsbohemia.cz SEO score

80

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 Tsbohemia.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 Tsbohemia.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 description is not detected on the main page of T S BOHEMIA. 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: