Tools & Wizards About Us
ekancelar.centropol.cz screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

ekancelar.centropol.cz

Centropol | Dodáváme vám elektřinu a plyn už od roku 2002

Page Load Speed

4.4 sec in total

First Response

365 ms

Resources Loaded

3.8 sec

Page Rendered

271 ms

ekancelar.centropol.cz screenshot

About Website

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

Centropol je spolehlivým dodavatelem plynu a elektřiny pro domácnosti i podnikatele. Díky férovým podmínkám pomáháme našim zákazníkům šetřit peníze i čas.

Visit ekancelar.centropol.cz

Key Findings

We analyzed Ekancelar.centropol.cz page load time and found that the first response time was 365 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

ekancelar.centropol.cz performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value21.7 s

0/100

25%

SI (Speed Index)

Value25.3 s

0/100

10%

TBT (Total Blocking Time)

Value29,690 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value36.4 s

0/100

10%

Network Requests Diagram

ekancelar.centropol.cz

365 ms

ekancelar.centropol.cz

414 ms

gtm.js

99 ms

uc.js

459 ms

main.e7ff62ca.js

1714 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 22% of them (5 requests) were addressed to the original Ekancelar.centropol.cz, 17% (4 requests) were made to Google.com and 13% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Google.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.1 kB (8%)

Content Size

51.6 kB

After Optimization

47.6 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Ekancelar.centropol.cz main page is 51.6 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. 50% of websites need less resources to load. Javascripts take 40.5 kB which makes up the majority of the site volume.

HTML Optimization

-59%

Potential reduce by 3.9 kB

  • Original 6.5 kB
  • After minification 6.5 kB
  • After compression 2.7 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 3.9 kB or 59% of the original size.

JavaScript Optimization

-0%

Potential reduce by 142 B

  • Original 40.5 kB
  • After minification 40.5 kB
  • After compression 40.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 60 B

  • Original 4.6 kB
  • After minification 4.6 kB
  • After compression 4.6 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. Ekancelar.centropol.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (45%)

Requests Now

20

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ekancelar Centropol. 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.

Network Requests Diagram

ekancelar.centropol.cz

ekancelar.centropol.cz

365 ms

ekancelar.centropol.cz

ekancelar.centropol.cz

414 ms

gtm.js

gtm.js

99 ms

uc.js

uc.js

459 ms

main.e7ff62ca.js

main.e7ff62ca.js

1714 ms

main.20ac0523.css

main.20ac0523.css

756 ms

centropol-logo.svg

centropol-logo.svg

872 ms

analytics.js

analytics.js

1296 ms

conversion_async.js

conversion_async.js

2065 ms

js

js

455 ms

cc.js

cc.js

352 ms

bc-v4.min.html

bc-v4.min.html

1894 ms

retargeting.js

retargeting.js

1845 ms

fbevents.js

fbevents.js

1463 ms

collect

collect

107 ms

collect

collect

59 ms

149 ms

collect

collect

174 ms

collect

collect

402 ms

399678104008428

399678104008428

82 ms

205 ms

ga-audiences

ga-audiences

231 ms

ga-audiences

ga-audiences

20 ms

Accessibility Review

ekancelar.centropol.cz accessibility score

87

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

ekancelar.centropol.cz best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Requests the geolocation permission on page load

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

ekancelar.centropol.cz SEO score

99

Search Engine Optimization Advices

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 Ekancelar.centropol.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 Ekancelar.centropol.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

ekancelar.centropol.cz

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