Tools & Wizards About Us
raraskov.cz screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

raraskov.cz

SH.cz - cnc-mimishop-cz-2

Page Load Speed

4.2 sec in total

First Response

531 ms

Resources Loaded

3.3 sec

Page Rendered

384 ms

raraskov.cz screenshot

About Website

Visit raraskov.cz now to see the best up-to-date Raraskov content and also check out these interesting facts you probably never knew about raraskov.cz

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Visit raraskov.cz

Key Findings

We analyzed Raraskov.cz page load time and found that the first response time was 531 ms and then it took 3.7 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

raraskov.cz performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

93/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value1.7 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

Network Requests Diagram

www.raraskov.cz

531 ms

style0.css

105 ms

zaklad.css

208 ms

jquery.min.js

10 ms

ga.js

53 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 11% of them (5 requests) were addressed to the original Raraskov.cz, 77% (34 requests) were made to Img.mimishop.cz and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Img.mimishop.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 69.7 kB (16%)

Content Size

436.0 kB

After Optimization

366.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Raraskov.cz main page is 436.0 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 376.7 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 22.0 kB

  • Original 29.6 kB
  • After minification 29.5 kB
  • After compression 7.7 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 22.0 kB or 74% of the original size.

Image Optimization

-10%

Potential reduce by 37.7 kB

  • Original 376.7 kB
  • After minification 339.0 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. Raraskov images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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.

CSS Optimization

-80%

Potential reduce by 10.0 kB

  • Original 12.5 kB
  • After minification 10.9 kB
  • After compression 2.5 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. Raraskov.cz needs all CSS files to be minified and compressed as it can save up to 10.0 kB or 80% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

43

After Optimization

43

  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Raraskov. According to our analytics all requests are already optimized.

Network Requests Diagram

www.raraskov.cz

www.raraskov.cz

531 ms

style0.css

style0.css

105 ms

zaklad.css

zaklad.css

208 ms

jquery.min.js

jquery.min.js

10 ms

ga.js

ga.js

53 ms

bg.jpg

bg.jpg

724 ms

count.asp

count.asp

215 ms

top_left.jpg

top_left.jpg

682 ms

bg_left.jpg

bg_left.jpg

477 ms

h18140.gif

h18140.gif

521 ms

h2574.gif

h2574.gif

375 ms

h12511.gif

h12511.gif

377 ms

h12510.gif

h12510.gif

480 ms

h12513.gif

h12513.gif

481 ms

h12207.gif

h12207.gif

579 ms

h4742.gif

h4742.gif

603 ms

h705.gif

h705.gif

586 ms

h19167.gif

h19167.gif

623 ms

h6329.gif

h6329.gif

681 ms

h16790.png

h16790.png

695 ms

h707.gif

h707.gif

705 ms

h19258.gif

h19258.gif

725 ms

rgterftr.jpg

rgterftr.jpg

791 ms

uvod-kvadrokoptera.gif

uvod-kvadrokoptera.gif

905 ms

vrtulnik-s-tankem-na-vysila.gif

vrtulnik-s-tankem-na-vysila.gif

989 ms

tank-na-vysilacku.gif

tank-na-vysilacku.gif

2190 ms

blank.gif

blank.gif

807 ms

bg_right.jpg

bg_right.jpg

828 ms

g31048.gif

g31048.gif

1214 ms

g31046.gif

g31046.gif

1945 ms

g31049.gif

g31049.gif

1143 ms

g31047.gif

g31047.gif

1222 ms

g27176.png

g27176.png

1089 ms

g14857.jpg

g14857.jpg

1198 ms

g3899.jpg

g3899.jpg

1246 ms

g24808.gif

g24808.gif

1507 ms

ikonka6510.gif

ikonka6510.gif

1313 ms

ikonka6983.gif

ikonka6983.gif

1323 ms

ikonka14010.gif

ikonka14010.gif

1348 ms

ikonka21536.gif

ikonka21536.gif

1412 ms

a.gif

a.gif

104 ms

dot.asp

dot.asp

214 ms

__utm.gif

__utm.gif

13 ms

tisk.css

tisk.css

111 ms

Accessibility Review

raraskov.cz accessibility score

84

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.

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

raraskov.cz best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

raraskov.cz SEO score

91

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

    N/A

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Raraskov.cz can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Czech. Our system also found out that Raraskov.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

raraskov.cz

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