Tools & Wizards About Us

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

c-c.cz

Levné repasované notebooky a počítače | Correct Computers

Page Load Speed

3.7 sec in total

First Response

314 ms

Resources Loaded

2.7 sec

Page Rendered

673 ms

About Website

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

E-shop specializující se na levné počítače, notebooky a hlavně repasované notebooky a počítače. Velkoobchod i maloobchod. Největší prodejce repasovaných počítačů v ČR.

Visit c-c.cz

Key Findings

We analyzed C-c.cz page load time and found that the first response time was 314 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

c-c.cz performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value8.1 s

2/100

25%

SI (Speed Index)

Value6.6 s

37/100

10%

TBT (Total Blocking Time)

Value700 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0.419

23/100

15%

TTI (Time to Interactive)

Value12.7 s

13/100

10%

Network Requests Diagram

c-c.cz

314 ms

www.c-c.cz

608 ms

source-sans-3.css

488 ms

exo-2.css

494 ms

font-shoptet-11.css.98dac764b411554385c4.css

498 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 14% of them (6 requests) were addressed to the original C-c.cz, 65% (28 requests) were made to Cdn.myshoptet.com and 5% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (770 ms) relates to the external source Cdn.myshoptet.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 166.9 kB (34%)

Content Size

489.4 kB

After Optimization

322.4 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of C-c.cz main page is 489.4 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. 40% of websites need less resources to load. Images take 289.2 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 162.6 kB

  • Original 192.8 kB
  • After minification 146.0 kB
  • After compression 30.3 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 46.9 kB, which is 24% 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 162.6 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 3.7 kB

  • Original 289.2 kB
  • After minification 285.5 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. C images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 609 B

  • Original 7.3 kB
  • After minification 7.3 kB
  • After compression 6.7 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 15 (38%)

Requests Now

39

After Optimization

24

  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of C. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

c-c.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 input fields do not have accessible names

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

c-c.cz best practices score

75

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

Page has valid source maps

SEO Factors

c-c.cz SEO score

98

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 C-c.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 C-c.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 C. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: