Tools & Wizards About Us

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

cpa.cz

C.P.A. CZECH s.r.o. | Distributor mobiln?ch telefon? a p??slu?enstv?

Page Load Speed

5 sec in total

First Response

321 ms

Resources Loaded

3.8 sec

Page Rendered

826 ms

About Website

Visit cpa.cz now to see the best up-to-date C P A content for Czech Republic and also check out these interesting facts you probably never knew about cpa.cz

P??slu?enstv? pro mobiln? telefony CPA, Origin?ln? p??slu?enstv?, Mobiln? telefony, Datov? kabely pro mobiln? telefony, Baterie, Dob?je?e, Pouzdra

Visit cpa.cz

Key Findings

We analyzed Cpa.cz page load time and found that the first response time was 321 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

cpa.cz performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value6.7 s

37/100

10%

TBT (Total Blocking Time)

Value1,130 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value7.9 s

43/100

10%

Network Requests Diagram

cpa.cz

321 ms

cpa.cz

440 ms

www.cpa.cz

1031 ms

normalize-minify.css

311 ms

cookiecontrol.css

416 ms

Our browser made a total of 79 requests to load all elements on the main page. We found that 82% of them (65 requests) were addressed to the original Cpa.cz, 6% (5 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Cpa.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (27%)

Content Size

4.8 MB

After Optimization

3.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cpa.cz main page is 4.8 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. 60% of websites need less resources to load. Images take 4.6 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 59.4 kB

  • Original 77.0 kB
  • After minification 74.2 kB
  • After compression 17.6 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. 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 59.4 kB or 77% of the original size.

Image Optimization

-27%

Potential reduce by 1.2 MB

  • Original 4.6 MB
  • After minification 3.4 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. Obviously, C P A needs image optimization as it can save up to 1.2 MB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-23%

Potential reduce by 18.2 kB

  • Original 78.3 kB
  • After minification 73.3 kB
  • After compression 60.1 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 18.2 kB or 23% of the original size.

CSS Optimization

-17%

Potential reduce by 6.9 kB

  • Original 41.8 kB
  • After minification 41.4 kB
  • After compression 34.9 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. Cpa.cz needs all CSS files to be minified and compressed as it can save up to 6.9 kB or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (23%)

Requests Now

70

After Optimization

54

  • Images
  • JavaScript
  • CSS

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of C P A. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

cpa.cz accessibility score

85

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Links do not have a discernible name

Best Practices

cpa.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

SEO Factors

cpa.cz SEO score

92

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

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 Cpa.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 Cpa.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 C P A. 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: