Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

tescoma.cz

Český výrobce kuchyňských potřeb | tescoma.cz

Page Load Speed

3.4 sec in total

First Response

367 ms

Resources Loaded

2.8 sec

Page Rendered

171 ms

tescoma.cz screenshot

About Website

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

Pokud máte kuchyň, budeme se snažit, aby TESCOMA byla vaší první volbou.

Visit tescoma.cz

Key Findings

We analyzed Tescoma.cz page load time and found that the first response time was 367 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

tescoma.cz performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value19.6 s

0/100

25%

SI (Speed Index)

Value7.7 s

24/100

10%

TBT (Total Blocking Time)

Value1,260 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value1.308

1/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

tescoma.cz

367 ms

www.tescoma.cz

531 ms

style.css

123 ms

custom.css

232 ms

easyshop.css

398 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 37% of them (34 requests) were addressed to the original Tescoma.cz, 13% (12 requests) were made to Eu-sonar.sociomantic.com and 10% (9 requests) were made to Www1.tescoma.com. The less responsive or slowest element that took the longest time to load (845 ms) belongs to the original domain Tescoma.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (65%)

Content Size

1.6 MB

After Optimization

546.7 kB

In fact, the total size of Tescoma.cz main page is 1.6 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. 40% of websites need less resources to load. Javascripts take 972.3 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 33.7 kB

  • Original 42.3 kB
  • After minification 35.6 kB
  • After compression 8.6 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 6.8 kB, which is 16% 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 33.7 kB or 80% of the original size.

Image Optimization

-4%

Potential reduce by 9.3 kB

  • Original 246.6 kB
  • After minification 237.3 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. Tescoma images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 711.9 kB

  • Original 972.3 kB
  • After minification 840.9 kB
  • After compression 260.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 711.9 kB or 73% of the original size.

CSS Optimization

-87%

Potential reduce by 267.5 kB

  • Original 307.7 kB
  • After minification 238.7 kB
  • After compression 40.2 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. Tescoma.cz needs all CSS files to be minified and compressed as it can save up to 267.5 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 63 (75%)

Requests Now

84

After Optimization

21

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tescoma. 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 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

tescoma.cz accessibility score

84

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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.

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>).

High

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

Best Practices

tescoma.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

High

Missing source maps for large first-party JavaScript

SEO Factors

tescoma.cz SEO score

89

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tescoma.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it does not match the claimed English language. Our system also found out that Tescoma.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 Tescoma. 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: