Tools & Wizards About Us
karaoke-zabava.cz screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 87

    SEO

    Google-friendlier than
    65% of websites

karaoke-zabava.cz

V?tej na str?nce v?robce ?S karaoke. Karaoke je skv?l? z?bava! - Karaoke z?bava

Page Load Speed

3.9 sec in total

First Response

516 ms

Resources Loaded

3.1 sec

Page Rendered

256 ms

karaoke-zabava.cz screenshot

About Website

Click here to check amazing Karaoke Za Bava content for Czech Republic. Otherwise, check out these important facts you probably never knew about karaoke-zabava.cz

Nejv?t?? Karaoke SHOP v ?R a na Slovensku - karaoke sady, karaoke DVD p?ev?n? z ?esk?ch a slovensk?ch skladeb, poskl?dej si sv? vlastn? karaoke DVD!

Visit karaoke-zabava.cz

Key Findings

We analyzed Karaoke-zabava.cz page load time and found that the first response time was 516 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

karaoke-zabava.cz performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

1/100

25%

SI (Speed Index)

Value5.2 s

59/100

10%

TBT (Total Blocking Time)

Value890 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.0 s

26/100

10%

Network Requests Diagram

karaoke-zabava.cz

516 ms

jquery.min.js

7 ms

style.css

377 ms

common.js

629 ms

floatbox.css

640 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 53% of them (29 requests) were addressed to the original Karaoke-zabava.cz, 5% (3 requests) were made to S.ytimg.com and 4% (2 requests) were made to Im9.cz. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Karaoke-zabava.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 808.6 kB (58%)

Content Size

1.4 MB

After Optimization

596.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Karaoke-zabava.cz main page is 1.4 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. 45% of websites need less resources to load. Javascripts take 798.0 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 36.0 kB

  • Original 48.4 kB
  • After minification 47.4 kB
  • After compression 12.4 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 36.0 kB or 74% of the original size.

Image Optimization

-6%

Potential reduce by 15.5 kB

  • Original 271.2 kB
  • After minification 255.7 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. Karaoke Za Bava images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 520.3 kB

  • Original 798.0 kB
  • After minification 794.6 kB
  • After compression 277.6 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 520.3 kB or 65% of the original size.

CSS Optimization

-82%

Potential reduce by 236.7 kB

  • Original 287.2 kB
  • After minification 284.9 kB
  • After compression 50.5 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. Karaoke-zabava.cz needs all CSS files to be minified and compressed as it can save up to 236.7 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (51%)

Requests Now

49

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Karaoke Za Bava. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

karaoke-zabava.cz

karaoke-zabava.cz

516 ms

jquery.min.js

jquery.min.js

7 ms

style.css

style.css

377 ms

common.js

common.js

629 ms

floatbox.css

floatbox.css

640 ms

floatbox.js

floatbox.js

749 ms

loader.js

loader.js

1060 ms

analytics.js

analytics.js

5 ms

gjs.php

gjs.php

324 ms

loader.js

loader.js

625 ms

collect

collect

13 ms

options.js

options.js

245 ms

collect

collect

54 ms

ga-audiences

ga-audiences

31 ms

interstitial.min.js

interstitial.min.js

550 ms

hvezdicka.png

hvezdicka.png

314 ms

detail.gif

detail.gif

313 ms

dokose.gif

dokose.gif

314 ms

banner1.jpg

banner1.jpg

489 ms

banner2.jpg

banner2.jpg

488 ms

banner3.jpg

banner3.jpg

493 ms

banner4.jpg

banner4.jpg

729 ms

banner5.jpg

banner5.jpg

745 ms

banner6.jpg

banner6.jpg

754 ms

banner8.jpg

banner8.jpg

969 ms

banner7.jpg

banner7.jpg

960 ms

go-pay-platby-za-karaoke.png

go-pay-platby-za-karaoke.png

986 ms

fb.jpg

fb.jpg

982 ms

gtm.js

gtm.js

46 ms

holderhp.jpg

holderhp.jpg

310 ms

top.jpg

top.jpg

1198 ms

banner.jpg

banner.jpg

1375 ms

style.css

style.css

303 ms

widget.php

widget.php

133 ms

menu.jpg

menu.jpg

666 ms

dokose.jpg

dokose.jpg

499 ms

footer.jpg

footer.jpg

551 ms

login.png

login.png

773 ms

PaktGjwajj8

PaktGjwajj8

73 ms

www-embed-player-vflfNyN_r.css

www-embed-player-vflfNyN_r.css

21 ms

www-embed-player.js

www-embed-player.js

43 ms

base.js

base.js

104 ms

core_550.js

core_550.js

978 ms

Lrq7Jibxdtv2QOPyDSqncpDfQFNs3PE6SoUrUNh2GTU.js

Lrq7Jibxdtv2QOPyDSqncpDfQFNs3PE6SoUrUNh2GTU.js

12 ms

ad_status.js

ad_status.js

59 ms

zN7GBFwfMP4uA6AR0HCoLQ.ttf

zN7GBFwfMP4uA6AR0HCoLQ.ttf

29 ms

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

33 ms

smartchat-2.1.1.min.css

smartchat-2.1.1.min.css

176 ms

smartchat-2.1.1.min.js

smartchat-2.1.1.min.js

294 ms

bootstrap.php

bootstrap.php

241 ms

bundle.js

bundle.js

468 ms

info

info

385 ms

info

info

362 ms

right-zalozka-only.png

right-zalozka-only.png

207 ms

blank.gif

blank.gif

126 ms

Accessibility Review

karaoke-zabava.cz accessibility score

46

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

karaoke-zabava.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

Page has valid source maps

SEO Factors

karaoke-zabava.cz SEO score

87

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Karaoke-zabava.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 Karaoke-zabava.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

karaoke-zabava.cz

Open Graph description is not detected on the main page of Karaoke Za Bava. 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: