Tools & Wizards About Us
celysvet.cz screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    64% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

celysvet.cz

Cel?Sv?t.cz - encyklopedie: psi, ko?ky, pokojov? rostliny, vtipy, st?ty, cestov?n?, hry online

Page Load Speed

1.7 sec in total

First Response

357 ms

Resources Loaded

1.1 sec

Page Rendered

255 ms

celysvet.cz screenshot

About Website

Click here to check amazing Cel Y Sv Et content for Czech Republic. Otherwise, check out these important facts you probably never knew about celysvet.cz

Cel?Sv?t.cz - encyklopedie: psi, ko?ky, pokojov? rostliny, vtipy, st?ty, cestov?n?, hry online

Visit celysvet.cz

Key Findings

We analyzed Celysvet.cz page load time and found that the first response time was 357 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

celysvet.cz performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

38/100

25%

SI (Speed Index)

Value5.0 s

63/100

10%

TBT (Total Blocking Time)

Value4,500 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value10.5 s

24/100

10%

Network Requests Diagram

celysvet.cz

357 ms

1-n.jpg

779 ms

adsbygoogle.js

17 ms

brand

30 ms

cz3.jpg

662 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 10% of them (3 requests) were addressed to the original Celysvet.cz, 28% (8 requests) were made to Googleads.g.doubleclick.net and 21% (6 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (779 ms) belongs to the original domain Celysvet.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 66.5 kB (16%)

Content Size

411.4 kB

After Optimization

344.9 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Celysvet.cz main page is 411.4 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. 35% of websites need less resources to load. Images take 305.1 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 29.0 kB

  • Original 36.4 kB
  • After minification 36.2 kB
  • After compression 7.4 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 29.0 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 6.9 kB

  • Original 305.1 kB
  • After minification 298.2 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. Cel Y Sv Et images are well optimized though.

JavaScript Optimization

-44%

Potential reduce by 30.6 kB

  • Original 69.8 kB
  • After minification 69.6 kB
  • After compression 39.3 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 30.6 kB or 44% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (31%)

Requests Now

26

After Optimization

18

  • AJAX
  • Images
  • JavaScript

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cel Y Sv Et. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

celysvet.cz

celysvet.cz

357 ms

1-n.jpg

1-n.jpg

779 ms

adsbygoogle.js

adsbygoogle.js

17 ms

brand

brand

30 ms

cz3.jpg

cz3.jpg

662 ms

ca-pub-6179961253612414.js

ca-pub-6179961253612414.js

48 ms

zrt_lookup.html

zrt_lookup.html

48 ms

show_ads_impl.js

show_ads_impl.js

54 ms

brand

brand

111 ms

ads

ads

268 ms

osd.js

osd.js

14 ms

ads

ads

389 ms

analytics.js

analytics.js

48 ms

ads

ads

150 ms

ads

ads

194 ms

collect

collect

14 ms

ads

ads

121 ms

ads

ads

130 ms

pla

pla

13 ms

abg.js

abg.js

19 ms

15123944445075331752

15123944445075331752

72 ms

s

s

10 ms

m_js_controller.js

m_js_controller.js

26 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

147 ms

x_button_blue2.png

x_button_blue2.png

63 ms

3384096164867997740

3384096164867997740

59 ms

MdyApZkAHG2-UELdOwjNjjFZXSz-CGj4o1JtDR7aGgs.js

MdyApZkAHG2-UELdOwjNjjFZXSz-CGj4o1JtDR7aGgs.js

3 ms

favicon

favicon

65 ms

nessie_icon_thin_arrow_big_white.png

nessie_icon_thin_arrow_big_white.png

34 ms

Accessibility Review

celysvet.cz accessibility score

80

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

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

celysvet.cz best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

celysvet.cz SEO score

100

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

    WINDOWS-1250

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

celysvet.cz

Open Graph description is not detected on the main page of Cel Y Sv Et. 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: