Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

kety.cz

dAukce.cz - doména z aukce

Page Load Speed

2.4 sec in total

First Response

402 ms

Resources Loaded

1.9 sec

Page Rendered

129 ms

kety.cz screenshot

About Website

Welcome to kety.cz homepage info - get ready to check Kety best content right away, or after learning these important things about kety.cz

Visit kety.cz

Key Findings

We analyzed Kety.cz page load time and found that the first response time was 402 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

kety.cz performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

20/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value430 ms

65/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value8.1 s

42/100

10%

Network Requests Diagram

kety.cz

402 ms

gastroendoscopy.ru

492 ms

mystyle.css

124 ms

indpic.gif

370 ms

aci.js

212 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 7% of them (1 request) were addressed to the original Kety.cz, 53% (8 requests) were made to Gastroendoscopy.ru and 27% (4 requests) were made to Acint.net. The less responsive or slowest element that took the longest time to load (492 ms) relates to the external source Gastroendoscopy.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 18.5 kB (69%)

Content Size

26.9 kB

After Optimization

8.4 kB

In fact, the total size of Kety.cz main page is 26.9 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. Only 5% of websites need less resources to load. Javascripts take 13.8 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 6.9 kB

  • Original 9.6 kB
  • After minification 9.2 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 6.9 kB or 72% of the original size.

JavaScript Optimization

-64%

Potential reduce by 8.9 kB

  • Original 13.8 kB
  • After minification 13.8 kB
  • After compression 4.9 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 8.9 kB or 64% of the original size.

CSS Optimization

-77%

Potential reduce by 2.7 kB

  • Original 3.5 kB
  • After minification 3.0 kB
  • After compression 816 B

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. Kety.cz needs all CSS files to be minified and compressed as it can save up to 2.7 kB or 77% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

11

After Optimization

11

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kety. According to our analytics all requests are already optimized.

Accessibility Review

kety.cz accessibility score

80

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.

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

Best Practices

kety.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

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

kety.cz SEO score

92

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

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kety.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Kety.cz main page’s claimed encoding is windows-1251. 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 Kety. 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: