Tools & Wizards About Us
kruh.wikina.cz screenshot

Report Summary

  • 64

    Performance

    Renders faster than
    79% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

kruh.wikina.cz

KRUH: obvod, plocha, obsah kružnice (vzorec a on-line výpočet)

Page Load Speed

1.8 sec in total

First Response

328 ms

Resources Loaded

1.2 sec

Page Rendered

198 ms

kruh.wikina.cz screenshot

About Website

Click here to check amazing KRUH Wikina content for Czech Republic. Otherwise, check out these important facts you probably never knew about kruh.wikina.cz

Spočítejte rychle obvod, plochu nebo obsah kruhu. Je jedno, zda zadáte průměr nebo poloměr kružnice. Naše kalkulačka to vypočte ihned.

Visit kruh.wikina.cz

Key Findings

We analyzed Kruh.wikina.cz page load time and found that the first response time was 328 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

kruh.wikina.cz performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value2.2 s

95/100

25%

SI (Speed Index)

Value4.5 s

73/100

10%

TBT (Total Blocking Time)

Value1,440 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

kruh.wikina.cz

328 ms

style.css

416 ms

adsbygoogle.js

48 ms

analytics.js

79 ms

kruh-vzorec.gif

124 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 19% of them (4 requests) were addressed to the original Kruh.wikina.cz, 10% (2 requests) were made to Google-analytics.com and 5% (1 request) were made to Cerchio.wikina.eu. The less responsive or slowest element that took the longest time to load (488 ms) relates to the external source Kor.wikina.hu.

Page Optimization Overview & Recommendations

Page size can be reduced by 40.4 kB (40%)

Content Size

101.1 kB

After Optimization

60.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kruh.wikina.cz main page is 101.1 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. 20% of websites need less resources to load. Javascripts take 59.0 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 13.6 kB

  • Original 19.2 kB
  • After minification 18.6 kB
  • After compression 5.6 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 13.6 kB or 71% of the original size.

Image Optimization

-12%

Potential reduce by 2.5 kB

  • Original 21.6 kB
  • After minification 19.1 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, KRUH Wikina needs image optimization as it can save up to 2.5 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

-41%

Potential reduce by 24.0 kB

  • Original 59.0 kB
  • After minification 59.0 kB
  • After compression 35.0 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 24.0 kB or 41% of the original size.

CSS Optimization

-20%

Potential reduce by 261 B

  • Original 1.3 kB
  • After minification 1.3 kB
  • After compression 1.0 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. Kruh.wikina.cz needs all CSS files to be minified and compressed as it can save up to 261 B or 20% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

20

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KRUH Wikina. According to our analytics all requests are already optimized.

Network Requests Diagram

kruh.wikina.cz

kruh.wikina.cz

328 ms

style.css

style.css

416 ms

adsbygoogle.js

adsbygoogle.js

48 ms

analytics.js

analytics.js

79 ms

kruh-vzorec.gif

kruh-vzorec.gif

124 ms

kruh.png

kruh.png

479 ms

kreis.png

kreis.png

418 ms

circle.png

circle.png

410 ms

circulo.png

circulo.png

408 ms

circulo.png

circulo.png

408 ms

cercle.png

cercle.png

408 ms

cerchio.png

cerchio.png

410 ms

krug.png

krug.png

418 ms

daire.png

daire.png

404 ms

cerc.png

cerc.png

405 ms

cirkel.png

cirkel.png

411 ms

lingkaran.png

lingkaran.png

384 ms

kor.png

kor.png

488 ms

kruh-vypocet.gif

kruh-vypocet.gif

398 ms

kruh.png

kruh.png

210 ms

collect

collect

62 ms

Accessibility Review

kruh.wikina.cz accessibility score

77

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-*] attributes do not match their roles

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

Form elements do not have associated labels

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 valid value for its [lang] attribute.

High

[lang] attributes do not have a valid value

Best Practices

kruh.wikina.cz best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

High

Page has valid source maps

SEO Factors

kruh.wikina.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 Kruh.wikina.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 Kruh.wikina.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

kruh.wikina.cz

Open Graph description is not detected on the main page of KRUH Wikina. 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: