Access kadaza.cz. Kadaza Česká republika

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value9.7 s

0/100

25%

SI (Speed Index)

Value6.6 s

37/100

10%

TBT (Total Blocking Time)

Value540 ms

54/100

30%

CLS (Cumulative Layout Shift)

Value0.475

18/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

kadaza.cz

378 ms

www.kadaza.cz

583 ms

bootstrap.min.css

325 ms

bootstrap-theme.min.css

324 ms

font-awesome.min.css

331 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 88% of them (61 requests) were addressed to the original Kadaza.cz, 4% (3 requests) were made to Cdn.cookielaw.org and 4% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (583 ms) belongs to the original domain Kadaza.cz.

Content Size

686.6 kB

After Optimization

220.6 kB

In fact, the total size of Kadaza.cz main page is 686.6 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 296.5 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 123.5 kB

Original 146.6 kB
After minification 146.4 kB
After compression 23.1 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 123.5 kB or 84% of the original size.

Image Optimization

-12%

Potential reduce by 9.8 kB

Original 78.8 kB
After minification 68.9 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. Obviously, Kadaza needs image optimization as it can save up to 9.8 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 195.1 kB

Original 296.5 kB
After minification 281.3 kB
After compression 101.4 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 195.1 kB or 66% of the original size.

CSS Optimization

-83%

Potential reduce by 137.5 kB

Original 164.8 kB
After minification 163.9 kB
After compression 27.2 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. Kadaza.cz needs all CSS files to be minified and compressed as it can save up to 137.5 kB or 83% of the original size.

Requests Now

After Optimization

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kadaza. 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.

Accessibility Issues

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.

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

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.

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

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 Kadaza.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 Kadaza.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

kadaza.cz

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Kadaza Česká republika - Vaše domovská stránka

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

kadaza.cz

www.kadaza.cz

bootstrap.min.css

bootstrap-theme.min.css

font-awesome.min.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

kadaza.cz

www.kadaza.cz

bootstrap.min.css

bootstrap-theme.min.css

font-awesome.min.css

clean-switch.css

0008fa509bab87a32c49d7f1b455e30a

otSDKStub.js

js

jquery-3.6.0.min.js

Sortable.min.js

bootstrap.min.js

iscroll-lite.js

touch-dnd.js

browser_info.js

a4f01396-a4ec-457c-9b11-19e2557256e5.json

analytics.js

content_cz4.png

add_to_home_icon.svg

blank85_75.gif

edit.png

whatsapp-share.png

fb-share.png

twitter-share.png

email-share.png

content_fb.png

content_insta.png

content_x-follow.png

content_youtube.png

cz.gif

add_to_home_icon.png

content_firefox_menu.png

location

linkid.js

collect

youtube.png

seznam-cz.gif

facebook.png

heureka.png

gmail6.png

outlook3.png

novinky.gif

idnes-cz.gif